The H2 Console tool now works with the JDBC-ODBC bridge.
-
@changelog_1003_li
@changelog_1003_h2
The H2 Console tool now supports command line options to start things separately.
Version 1.1.100 (2008-10-04)
@changelog_1004_li
@changelog_1004_li
Large objects did not work for in-memory databases in server mode in Linux.
In version 1.1, the following system properties are now enabled by default: h2.lobFilesInDirectories, h2.optimizeGroupSorted, h2.optimizeInJoin, h2.shareLinkedConnections
@changelog_1005_li
@changelog_1005_li
Connections from a local address other than 'localhost' were not allowed if remote connections were disabled. This was always a problem, but only got visible in the last release because the server no longer connects to 'localhost' if networked.
The H2 Console tool now works with the JDBC-ODBC bridge.
@changelog_1006_li
@changelog_1006_li
The h2console.war can now be built using the Java build.
The H2 Console tool now supports command line options to start things separately.
@changelog_1007_li
@changelog_1007_li
By default, databases are shared in the same process. For read-only databases this causes unnecessary synchronization, but safes memory. If you want that each connection opens its own database, append ;OPEN_NEW=TRUE to the database URL.
Large objects did not work for in-memory databases in server mode in Linux.
@changelog_1008_li
@changelog_1008_li
New auto-reconnect feature will setting causes the JDBC driver to reconnect to the database if the connection is lost. To enable, append ;AUTO_RECONNECT=TRUE to the database URL. This is specially helpful when using AUTO_SERVER.
Connections from a local address other than 'localhost' were not allowed if remote connections were disabled. This was always a problem, but only got visible in the last release because the server no longer connects to 'localhost' if networked.
@changelog_1009_li
@changelog_1009_li
CreateCluster: the property 'serverlist' is now called 'serverList'.
The h2console.war can now be built using the Java build.
@changelog_1010_li
@changelog_1010_li
The ConvertTraceFile tool could not parse some files because the trace mechanism did not encode prepared statement parameters.
By default, databases are shared in the same process. For read-only databases this causes unnecessary synchronization, but safes memory. If you want that each connection opens its own database, append ;OPEN_NEW=TRUE to the database URL.
@changelog_1011_li
@changelog_1011_li
New auto-reconnect feature will cause the JDBC driver to reconnect to the database if the connection is lost. To enable, append ;AUTO_RECONNECT=TRUE to the database URL. This is specially helpful when using AUTO_SERVER. AUTO_SERVER automatically uses auto-reconnect.
@changelog_1012_li
CreateCluster: the property 'serverlist' is now called 'serverList'.
@changelog_1013_li
The ConvertTraceFile tool could not parse some files because the trace mechanism did not encode prepared statement parameters.
@changelog_1014_li
Databases names can now be one character long (the minimum size used to be 2 characters).
Databases names can now be one character long (the minimum size used to be 2 characters).
@changelog_1012_h2
@changelog_1015_h2
Version 1.0.79 (2008-09-26)
Version 1.0.79 (2008-09-26)
@changelog_1013_li
@changelog_1016_li
Linked tables that point to the same database can now share the connection within the same database. Access to the same connection is serialized. To enable this feature, set the system property h2.shareLinkedConnections to true.
Linked tables that point to the same database can now share the connection within the same database. Access to the same connection is serialized. To enable this feature, set the system property h2.shareLinkedConnections to true.
@changelog_1014_li
@changelog_1017_li
Multiple processes can now access the same database without having to explicitly start the server. To do that, append ;AUTO_SERVER=TRUE to the database URL. In this case, the server is started automatically if the connection is in embedded mode, and the server mode is used if a server is running. If the process that opened the first connection is closed, the other client need to reconnect (there is no automatic re-connect so far). Remote connections are allowed, but only to this database.
Multiple processes can now access the same database without having to explicitly start the server. To do that, append ;AUTO_SERVER=TRUE to the database URL. In this case, the server is started automatically if the connection is in embedded mode, and the server mode is used if a server is running. If the process that opened the first connection is closed, the other client need to reconnect (there is no automatic re-connect so far). Remote connections are allowed, but only to this database.
@changelog_1015_li
@changelog_1018_li
The server tool now displays the correct IP address if networked.
The server tool now displays the correct IP address if networked.
@changelog_1016_li
@changelog_1019_li
Can now start a TCP server with port 0 (automatically select a port).
Can now start a TCP server with port 0 (automatically select a port).
@changelog_1017_li
@changelog_1020_li
Result sets with just a unique index can now be updated (previously a primary key was required).
Result sets with just a unique index can now be updated (previously a primary key was required).
@changelog_1018_li
@changelog_1021_li
LINKED TABLE: the schema name can now be set. When multiple tables exist in different schema, and the schema name is not set, an exception is thrown.
LINKED TABLE: the schema name can now be set. When multiple tables exist in different schema, and the schema name is not set, an exception is thrown.
@changelog_1019_li
@changelog_1022_li
LINKED TABLE: worked around a bug in Oracle with the CHAR data type.
LINKED TABLE: worked around a bug in Oracle with the CHAR data type.
@changelog_1020_li
@changelog_1023_li
Faster hash code calculation for large binary arrays.
Faster hash code calculation for large binary arrays.
@changelog_1021_li
@changelog_1024_li
Faster storage re-use algorithm thanks to Greg Dhuse from cleversafe.com.
Faster storage re-use algorithm thanks to Greg Dhuse from cleversafe.com.
@changelog_1022_li
@changelog_1025_li
The database supports the SHOW command for better MySQL and PostgreSQL compatibility.
The database supports the SHOW command for better MySQL and PostgreSQL compatibility.
@changelog_1023_li
@changelog_1026_li
The H2 Console now abbreviates large texts in results.
The H2 Console now abbreviates large texts in results.
@changelog_1024_li
@changelog_1027_li
Multiple UNION queries could not be used in derived tables.
Multiple UNION queries could not be used in derived tables.
@changelog_1025_li
@changelog_1028_li
Linked tables can now be read-only.
Linked tables can now be read-only.
@changelog_1026_li
@changelog_1029_li
Temporary linked tables are now supported.
Temporary linked tables are now supported.
@changelog_1027_li
@changelog_1030_li
It was possible to create tables in read-only databases.
It was possible to create tables in read-only databases.
@changelog_1028_li
@changelog_1031_li
SET SCHEMA_SEARCH_PATH is now documented.
SET SCHEMA_SEARCH_PATH is now documented.
@changelog_1029_li
@changelog_1032_li
SET SCHEMA did not work for views.
SET SCHEMA did not work for views.
@changelog_1030_li
@changelog_1033_li
Row level locking for MVCC is now enabled. The exception 'Concurrent update in table ...' is still thrown, but only after the lock timeout.
Row level locking for MVCC is now enabled. The exception 'Concurrent update in table ...' is still thrown, but only after the lock timeout.
@changelog_1031_li
@changelog_1034_li
The maximum log file size setting was ignored for large databases.
The maximum log file size setting was ignored for large databases.
@changelog_1032_li
@changelog_1035_li
Multi-Version Concurrency (MVCC) may no longer be used when using the multi-threaded kernel feature (MULTI_THREADED). An exception is thrown when trying to connect with both settings. Additional synchronization is required before those features can be used together.
Multi-Version Concurrency (MVCC) may no longer be used when using the multi-threaded kernel feature (MULTI_THREADED). An exception is thrown when trying to connect with both settings. Additional synchronization is required before those features can be used together.
@changelog_1033_li
@changelog_1036_li
The data type JAVA_OBJECT could not be used in updatable result sets.
The data type JAVA_OBJECT could not be used in updatable result sets.
@changelog_1034_li
@changelog_1037_li
The system property h2.optimizeInJoin did not work correctly.
The system property h2.optimizeInJoin did not work correctly.
@changelog_1035_li
@changelog_1038_li
Conditions such as ID=? AND ID>? were slow.
Conditions such as ID=? AND ID>? were slow.
@changelog_1036_h2
@changelog_1039_h2
Version 1.0.78 (2008-08-28)
Version 1.0.78 (2008-08-28)
@changelog_1037_li
@changelog_1040_li
The documentation no longer uses a frameset (except the Javadocs).
The documentation no longer uses a frameset (except the Javadocs).
@changelog_1038_li
@changelog_1041_li
When using DB_CLOSE_DELAY, sometimes a NullPointerException is thrown when the database is opened almost at the same time as it is closed automatically. Thanks a lot to Dmitry Pekar for finding this!
When using DB_CLOSE_DELAY, sometimes a NullPointerException is thrown when the database is opened almost at the same time as it is closed automatically. Thanks a lot to Dmitry Pekar for finding this!
@changelog_1039_li
@changelog_1042_li
Java methods with variable number of parameters can now be used (for Java 1.5 or newer).
Java methods with variable number of parameters can now be used (for Java 1.5 or newer).
@changelog_1040_li
@changelog_1043_li
The Japanese translation has been improved by Masahiro Ikemoto. Thanks a lot!
The Japanese translation has been improved by Masahiro Ikemoto. Thanks a lot!
@changelog_1041_li
@changelog_1044_li
The H2 Console replaced an empty user name with a single space.
The H2 Console replaced an empty user name with a single space.
@changelog_1042_li
@changelog_1045_li
The build target 'build jarSmall' now includes the embedded database.
The build target 'build jarSmall' now includes the embedded database.
@changelog_1043_li
@changelog_1046_li
JdbcDataSource now keeps the password in a char array where possible.
JdbcDataSource now keeps the password in a char array where possible.
@changelog_1044_li
@changelog_1047_li
ResultSet.absolute did not always work with large result sets.
ResultSet.absolute did not always work with large result sets.
@changelog_1045_li
@changelog_1048_li
Column aliases can now be used in GROUP BY and HAVING.
Column aliases can now be used in GROUP BY and HAVING.
@changelog_1046_li
@changelog_1049_li
Jason Brittain has contributed MySQL date functions. Thanks a lot! They are not in the h2.jar file currently, but in src/tools/org/h2/mode/FunctionsMySQL.java. To install, add this class to the classpath and call FunctionsMySQL.register(conn) in the Java code.
Jason Brittain has contributed MySQL date functions. Thanks a lot! They are not in the h2.jar file currently, but in src/tools/org/h2/mode/FunctionsMySQL.java. To install, add this class to the classpath and call FunctionsMySQL.register(conn) in the Java code.
@changelog_1047_h2
@changelog_1050_h2
Version 1.0.77 (2008-08-16)
Version 1.0.77 (2008-08-16)
@changelog_1048_li
@changelog_1051_li
JaQu is now using prepared statements and supports Date, Time, Timestamp.
JaQu is now using prepared statements and supports Date, Time, Timestamp.
@changelog_1049_li
@changelog_1052_li
When using remote in-memory databases, large LOB objects did not work.
When using remote in-memory databases, large LOB objects did not work.
@changelog_1050_li
@changelog_1053_li
Timestamp columns such as TIMESTAMP(6) were not compatible to other database.
Timestamp columns such as TIMESTAMP(6) were not compatible to other database.
@changelog_1051_li
@changelog_1054_li
Opening a large database was slow if there was a problem opening the previous time.
Opening a large database was slow if there was a problem opening the previous time.
@changelog_1052_li
@changelog_1055_li
NOT IN(SELECT ...) was incorrect if the subquery returns no rows.
NOT IN(SELECT ...) was incorrect if the subquery returns no rows.
@changelog_1053_li
@changelog_1056_li
CREATE TABLE AS SELECT did not work correctly in the multi-version concurrency mode.
CREATE TABLE AS SELECT did not work correctly in the multi-version concurrency mode.
@changelog_1054_li
@changelog_1057_li
Support a comma before closing a list, as in: create table test(id int,)
Support a comma before closing a list, as in: create table test(id int,)
@changelog_1055_li
@changelog_1058_li
MySQL compatibility: linked tables had lower case column names on some systems.
MySQL compatibility: linked tables had lower case column names on some systems.
@changelog_1056_li
@changelog_1059_li
DB2 compatibility: the DB2 fetch-first-clause is supported.
DB2 compatibility: the DB2 fetch-first-clause is supported.
@changelog_1057_li
@changelog_1060_li
Oracle compatibility: old style outer join syntax using (+) did work correctly sometimes.
Oracle compatibility: old style outer join syntax using (+) did work correctly sometimes.
@changelog_1058_li
@changelog_1061_li
ResultSet.setFetchSize is now supported.
ResultSet.setFetchSize is now supported.
@changelog_1059_li
@changelog_1062_li
It has been reported that when using Install4j on some Linux systems and enabling the 'pack200' option, the h2.jar becomes corrupted by the install process, causing application failure. A workaround is to add an empty file h2.jar.nopack next to the h2.jar file. The reason for this problem is not known.
It has been reported that when using Install4j on some Linux systems and enabling the 'pack200' option, the h2.jar becomes corrupted by the install process, causing application failure. A workaround is to add an empty file h2.jar.nopack next to the h2.jar file. The reason for this problem is not known.
@changelog_1060_h2
@changelog_1063_h2
Version 1.0.76 (2008-07-27)
Version 1.0.76 (2008-07-27)
@changelog_1061_li
@changelog_1064_li
The comment of a domain (user defined data type) is now used as the default column comment when creating a column with this domain.
The comment of a domain (user defined data type) is now used as the default column comment when creating a column with this domain.
@changelog_1062_li
@changelog_1065_li
Invalid database names are now detected and a better error message is thrown.
Invalid database names are now detected and a better error message is thrown.
@changelog_1063_li
@changelog_1066_li
ResultSetMetaData.getColumnClassName now returns the correct class name for BLOB and CLOB.
ResultSetMetaData.getColumnClassName now returns the correct class name for BLOB and CLOB.
@changelog_1064_li
@changelog_1067_li
Fixed the Oracle mode: Oracle allows multiple rows only where all columns of the unique index are NULL.
Fixed the Oracle mode: Oracle allows multiple rows only where all columns of the unique index are NULL.
@changelog_1065_li
@changelog_1068_li
There is a problem with Hibernate when using Boolean columns. A patch for Hibernate has been submitted at http://opensource.atlassian.com/projects/hibernate/browse/HHH-3401
There is a problem with Hibernate when using Boolean columns. A patch for Hibernate has been submitted at http://opensource.atlassian.com/projects/hibernate/browse/HHH-3401
@changelog_1066_li
@changelog_1069_li
ORDER BY on tableName.columnName didn't work correctly if the column name was also used as an alias.
ORDER BY on tableName.columnName didn't work correctly if the column name was also used as an alias.
@changelog_1067_li
@changelog_1070_li
H2 Console: The progress display when opening a database has been improved.
H2 Console: The progress display when opening a database has been improved.
@changelog_1068_li
@changelog_1071_li
The error message when the server doesn't start has been improved.
The error message when the server doesn't start has been improved.
@changelog_1069_li
@changelog_1072_li
Key values can now be changed in updatable result sets.
Key values can now be changed in updatable result sets.
@changelog_1070_li
@changelog_1073_li
Changes in updatable result sets are now visible even when resetting the result set.
Changes in updatable result sets are now visible even when resetting the result set.
@changelog_1071_li
@changelog_1074_li
Temporary files were sometimes deleted too late when executing large insert, update, or delete operations.
Temporary files were sometimes deleted too late when executing large insert, update, or delete operations.
@changelog_1072_li
@changelog_1075_li
The database file was growing after deleting many rows, and after large update operations.
The database file was growing after deleting many rows, and after large update operations.
@changelog_1073_h2
@changelog_1076_h2
Version 1.0.75 (2008-07-14)
Version 1.0.75 (2008-07-14)
@changelog_1074_li
@changelog_1077_li
Multi version concurrency (MVCC): when a row was updated or deleted, but this change was rolled back, the row was not visible by other sessions if no index was used to access it. Fixed.
Multi version concurrency (MVCC): when a row was updated or deleted, but this change was rolled back, the row was not visible by other sessions if no index was used to access it. Fixed.
@changelog_1075_li
@changelog_1078_li
Views with multiple joined tables (where one was an outer join) couldn't be used in some cases. Fixed.
Views with multiple joined tables (where one was an outer join) couldn't be used in some cases. Fixed.
@changelog_1076_li
@changelog_1079_li
The CSVREAD method did not process NULL correctly when using a whitespace field separator.
The CSVREAD method did not process NULL correctly when using a whitespace field separator.
@changelog_1077_li
@changelog_1080_li
Fixed the Oracle mode: Oracle allows multiple rows with NULL in a unique index.
Fixed the Oracle mode: Oracle allows multiple rows with NULL in a unique index.
@changelog_1078_li
@changelog_1081_li
Running out of memory could result in incomplete transactions or corrupted databases. Fixed.
Running out of memory could result in incomplete transactions or corrupted databases. Fixed.
@changelog_1079_li
@changelog_1082_li
When using order by in a query that uses the same table multiple times, the order could be incorrect. Fixed.
When using order by in a query that uses the same table multiple times, the order could be incorrect. Fixed.
@changelog_1080_li
@changelog_1083_li
Referential constraint checking improvement: now the constraint is only checked if the key column values change.
Referential constraint checking improvement: now the constraint is only checked if the key column values change.
@changelog_1081_li
@changelog_1084_li
Some database metadata calls returned the wrong data type for DATA_TYPE columns.
Some database metadata calls returned the wrong data type for DATA_TYPE columns.
@changelog_1082_li
@changelog_1085_li
The Lucene fulltext index was empty when opening a database with fulltext index enabled, and re-indexing it didn't work. Fixed.
The Lucene fulltext index was empty when opening a database with fulltext index enabled, and re-indexing it didn't work. Fixed.
@changelog_1083_li
@changelog_1086_li
The character '$' could not be used in identifier names (table name, column names and so on). Fixed.
The character '$' could not be used in identifier names (table name, column names and so on). Fixed.
@changelog_1084_li
@changelog_1087_li
The new method org.h2.tools.Server.startWebServer(conn) starts the H2 Console to inspect a database while debugging.
The new method org.h2.tools.Server.startWebServer(conn) starts the H2 Console to inspect a database while debugging.
@changelog_1085_li
@changelog_1088_li
Stopping a WebServer didn't always work. Fixed.
Stopping a WebServer didn't always work. Fixed.
@changelog_1086_h2
@changelog_1089_h2
Version 1.0.74 (2008-06-21)
Version 1.0.74 (2008-06-21)
@changelog_1087_li
@changelog_1090_li
Work on row level locking has been started (but there is nothing usable yet).
Work on row level locking has been started (but there is nothing usable yet).
@changelog_1088_li
@changelog_1091_li
JaQu (Java Query), a tool similar to LINQ (Language Integrated Query; from Microsoft) is now included under src/tools/org/h2/jaqu. A small sample application is included under src/test/org/h2/test/jaqu.
JaQu (Java Query), a tool similar to LINQ (Language Integrated Query; from Microsoft) is now included under src/tools/org/h2/jaqu. A small sample application is included under src/test/org/h2/test/jaqu.
@changelog_1089_li
@changelog_1092_li
The source code is now switched to Java 1.6 by default. To switch back to Java 1.4, run 'build compile'. The h2.jar file is still Java 1.4.
The source code is now switched to Java 1.6 by default. To switch back to Java 1.4, run 'build compile'. The h2.jar file is still Java 1.4.
@changelog_1090_li
@changelog_1093_li
The ChangePassword tool is now called ChangeFileEncryption.
The ChangePassword tool is now called ChangeFileEncryption.
@changelog_1091_li
@changelog_1094_li
It is no longer allowed to create columns with the data type NULL. Also, it is no longer allowed to convert a column to the data type NULL. This was possible before but caused data loss.
It is no longer allowed to create columns with the data type NULL. Also, it is no longer allowed to convert a column to the data type NULL. This was possible before but caused data loss.
@changelog_1092_li
@changelog_1095_li
When using computed columns or default values with a different data type than the column data type, a class cast exception could occur. Fixed.
When using computed columns or default values with a different data type than the column data type, a class cast exception could occur. Fixed.
@changelog_1093_li
@changelog_1096_li
Opening databases larger than 1 GB was sometimes very slow if a lot of data was deleted previously. Fixed.
Opening databases larger than 1 GB was sometimes very slow if a lot of data was deleted previously. Fixed.
@changelog_1094_li
@changelog_1097_li
RUNSCRIPT could throw a NullPointerException if the script name was an expression.
RUNSCRIPT could throw a NullPointerException if the script name was an expression.
@changelog_1095_li
@changelog_1098_li
Improved compatibility. New compatibility modes for Oracle and Derby. New compatibility flag uniqueIndexNullDistinct to only allow one row with 'NULL' in a unique index. This flag is enabled for Derby, Oracle, MSSQLServer, and HSQLDB.
Improved compatibility. New compatibility modes for Oracle and Derby. New compatibility flag uniqueIndexNullDistinct to only allow one row with 'NULL' in a unique index. This flag is enabled for Derby, Oracle, MSSQLServer, and HSQLDB.
@changelog_1096_li
@changelog_1099_li
Linked tables: To view the statements that are executed against the target table, set the trace level to 3.
Linked tables: To view the statements that are executed against the target table, set the trace level to 3.
@changelog_1097_li
@changelog_1100_li
RunScript tool: new options to show and check the results of queries.
RunScript tool: new options to show and check the results of queries.
@changelog_1098_li
@changelog_1101_li
Deadlocks are now detected. One transaction is rolled back automatically.
Deadlocks are now detected. One transaction is rolled back automatically.
@changelog_1099_li
@changelog_1102_li
The Lucene fulltext index was always re-created when opening a database with fulltext index enabled.
The Lucene fulltext index was always re-created when opening a database with fulltext index enabled.
@changelog_1100_li
@changelog_1103_li
Support for overloaded Java methods. A user defined function can now be bound to multiple Java methods, if the Java methods have the same name but a different number of parameters. Thanks to Gary Tong for providing a patch!
Support for overloaded Java methods. A user defined function can now be bound to multiple Java methods, if the Java methods have the same name but a different number of parameters. Thanks to Gary Tong for providing a patch!
@changelog_1101_h2
@changelog_1104_h2
Version 1.0.73 (2008-05-31)
Version 1.0.73 (2008-05-31)
@changelog_1102_li
@changelog_1105_li
ParameterMetaData now returns the right data type for most conditions, as in WHERE ID=?.
ParameterMetaData now returns the right data type for most conditions, as in WHERE ID=?.
@changelog_1103_li
@changelog_1106_li
The table SYSTEM_RANGE now supports expressions and parameters.
The table SYSTEM_RANGE now supports expressions and parameters.
@changelog_1104_li
@changelog_1107_li
New column INFORMATION_SCHEMA.CONSTRAINTS.UNIQUE_INDEX_NAME that contains the name of the unique index used to enforce this constraint, if there is such an index.
New column INFORMATION_SCHEMA.CONSTRAINTS.UNIQUE_INDEX_NAME that contains the name of the unique index used to enforce this constraint, if there is such an index.
@changelog_1105_li
@changelog_1108_li
SET QUERY_TIMEOUT and Statement.setQueryTimeout no longer commits a transaction. The same applies to SET @VARIABLE, SET LOCK_TIMEOUT, SET TRACE_LEVEL_*, SET THROTTLE, and SET PATH.
SET QUERY_TIMEOUT and Statement.setQueryTimeout no longer commits a transaction. The same applies to SET @VARIABLE, SET LOCK_TIMEOUT, SET TRACE_LEVEL_*, SET THROTTLE, and SET PATH.
@changelog_1106_li
@changelog_1109_li
The SCRIPT command does now emit IF NOT EXISTS for CREATE ROLE.
The SCRIPT command does now emit IF NOT EXISTS for CREATE ROLE.
@changelog_1107_li
@changelog_1110_li
MySQL compatibility: auto_increment column are no longer automatically converted to primary key columns.
MySQL compatibility: auto_increment column are no longer automatically converted to primary key columns.
@changelog_1108_li
@changelog_1111_li
PostgreSQL compatibility: support for BOOL_OR and BOOL_AND aggregate functions.
PostgreSQL compatibility: support for BOOL_OR and BOOL_AND aggregate functions.
@changelog_1109_li
@changelog_1112_li
Negative scale values for DECIMAL or NUMBER columns are now supported in regular tables and in linked tables.
Negative scale values for DECIMAL or NUMBER columns are now supported in regular tables and in linked tables.
@changelog_1110_li
@changelog_1113_li
A role or right can now be granted or revoked multiple times without getting an exception.
A role or right can now be granted or revoked multiple times without getting an exception.
@changelog_1111_li
@changelog_1114_li
Infinite numbers in SQL scripts are listed as POWER(0, -1)), negative infinite as (-POWER(0, -1)), and NaN (not a number) as SQRT(-1).
Infinite numbers in SQL scripts are listed as POWER(0, -1)), negative infinite as (-POWER(0, -1)), and NaN (not a number) as SQRT(-1).
@changelog_1112_li
@changelog_1115_li
The special double and float values 'NaN' (not a number) did not work correctly when sorting or comparing.
The special double and float values 'NaN' (not a number) did not work correctly when sorting or comparing.
@changelog_1113_li
@changelog_1116_li
The fulltext search did not support CLOB data types.
The fulltext search did not support CLOB data types.
@changelog_1114_li
@changelog_1117_li
If the drive with the database files was disconnected or unmounted while writing, sometimes a stack overflow exception was thrown instead of a IO exception.
If the drive with the database files was disconnected or unmounted while writing, sometimes a stack overflow exception was thrown instead of a IO exception.
@changelog_1115_li
@changelog_1118_li
The H2 Console could not be shut down from within the tool if the browser supports keepAlive (most browsers do).
The H2 Console could not be shut down from within the tool if the browser supports keepAlive (most browsers do).
@changelog_1116_li
@changelog_1119_li
If the password was passed as a char array, it was kept in an internal buffer longer than required. Theoretically the password could have been stolen if the main memory was swapped to disk before the garbage collection was run.
If the password was passed as a char array, it was kept in an internal buffer longer than required. Theoretically the password could have been stolen if the main memory was swapped to disk before the garbage collection was run.
@changelog_1117_h2
@changelog_1120_h2
Version 1.0.72 (2008-05-10)
Version 1.0.72 (2008-05-10)
@changelog_1118_li
@changelog_1121_li
Some databases could not be opened when appending ;RECOVER=1 to the database URL.
Some databases could not be opened when appending ;RECOVER=1 to the database URL.
@changelog_1119_li
@changelog_1122_li
The Japanese translation of the error messages and the H2 Console has been completed by Masahiro Ikemoto (Arizona Design Inc.)
The Japanese translation of the error messages and the H2 Console has been completed by Masahiro Ikemoto (Arizona Design Inc.)
@changelog_1120_li
@changelog_1123_li
Updates made to updatable rows are now visible within the same result set. DatabaseMetaData.ownUpdatesAreVisible now returns true.
Updates made to updatable rows are now visible within the same result set. DatabaseMetaData.ownUpdatesAreVisible now returns true.
@changelog_1121_li
@changelog_1124_li
ParameterMetaData now returns the correct data for INSERT and UPDATE statements.
ParameterMetaData now returns the correct data for INSERT and UPDATE statements.
@changelog_1122_li
@changelog_1125_li
H2 Shell: DESCRIBE now supports an schema name.
H2 Shell: DESCRIBE now supports an schema name.
@changelog_1123_li
@changelog_1126_li
A subset of the PostgreSQL 'dollar quoting' feature is now supported.
A subset of the PostgreSQL 'dollar quoting' feature is now supported.
@changelog_1124_li
@changelog_1127_li
SLF4J is now supported by using adding TRACE_LEVEL_FILE=4 to the database URL.
SLF4J is now supported by using adding TRACE_LEVEL_FILE=4 to the database URL.
@changelog_1125_li
@changelog_1128_li
The recovery tool did not work if the table name contained spaces or if there was a comment on the table.
The recovery tool did not work if the table name contained spaces or if there was a comment on the table.
@changelog_1126_li
@changelog_1129_li
Triggers are no longer executed when changing the table structure (ALTER TABLE).
Triggers are no longer executed when changing the table structure (ALTER TABLE).
@changelog_1127_li
@changelog_1130_li
When setting BLOB or CLOB values larger than 65 KB using a remote connection, temporary files were kept on the client longer than required (until the connection was closed or the object is garbage collected). Now they are removed as soon as the PreparedStatement is closed, or when the value is overwritten.
When setting BLOB or CLOB values larger than 65 KB using a remote connection, temporary files were kept on the client longer than required (until the connection was closed or the object is garbage collected). Now they are removed as soon as the PreparedStatement is closed, or when the value is overwritten.
@changelog_1128_li
@changelog_1131_li
Statements can now be canceled remotely (when using remote connections).
Statements can now be canceled remotely (when using remote connections).
@changelog_1129_li
@changelog_1132_li
The Shell tool now uses java.io.Console to read the password when using JDK 1.6
The Shell tool now uses java.io.Console to read the password when using JDK 1.6
@changelog_1130_li
@changelog_1133_li
When using read-only databases and setting LOG=2, an exception was written to the trace file when closing the database. Fixed.
When using read-only databases and setting LOG=2, an exception was written to the trace file when closing the database. Fixed.
@changelog_1131_h2
@changelog_1134_h2
Version 1.0.71 (2008-04-25)
Version 1.0.71 (2008-04-25)
@changelog_1132_li
@changelog_1135_li
H2 is now dual-licensed under the Eclipse Public License (EPL) and the old 'H2 License' (which is basically MPL).
H2 is now dual-licensed under the Eclipse Public License (EPL) and the old 'H2 License' (which is basically MPL).
@changelog_1133_li
@changelog_1136_li
Sometimes an exception 'File ID mismatch' or 'try to add a record twice' occurred after large records (8 KB or larger) are updated or deleted. See also http://code.google.com/p/h2database/issues/detail?id=22
Sometimes an exception 'File ID mismatch' or 'try to add a record twice' occurred after large records (8 KB or larger) are updated or deleted. See also http://code.google.com/p/h2database/issues/detail?id=22
@changelog_1134_li
@changelog_1137_li
H2 Console: The tools can now be translated (it didn't work in the last release).
H2 Console: The tools can now be translated (it didn't work in the last release).
@changelog_1135_li
@changelog_1138_li
New traditional Chinese translation. Thanks a lot to Derek Chao!
New traditional Chinese translation. Thanks a lot to Derek Chao!
@changelog_1136_li
@changelog_1139_li
Indexes were not used when enabling the optimization for IN(SELECT...) (system property h2.optimizeInJoin).
Indexes were not used when enabling the optimization for IN(SELECT...) (system property h2.optimizeInJoin).
@changelog_1137_h2
@changelog_1140_h2
Version 1.0.70 (2008-04-20)
Version 1.0.70 (2008-04-20)
@changelog_1138_li
@changelog_1141_li
The plan is to dual-license H2. The additional license is EPL (Eclipse Public License). The current license (MPL, Mozilla Public License) will stay. Current users are not affected because they can keep MPL. EPL is very similar to MPL, the only bigger difference is related to patents (EPL is a bit more business friendly in this regard). See also http://opensource.org/licenses/eclipse-1.0.php, http://www.eclipse.org/legal/eplfaq.php (FAQ), http://blogs.zdnet.com/Burnette/?p=131
The plan is to dual-license H2. The additional license is EPL (Eclipse Public License). The current license (MPL, Mozilla Public License) will stay. Current users are not affected because they can keep MPL. EPL is very similar to MPL, the only bigger difference is related to patents (EPL is a bit more business friendly in this regard). See also http://opensource.org/licenses/eclipse-1.0.php, http://www.eclipse.org/legal/eplfaq.php (FAQ), http://blogs.zdnet.com/Burnette/?p=131
@changelog_1139_li
@changelog_1142_li
Multi version concurrency (MVCC): when a row was updated, and the updated column was not indexed, this update was visible sometimes for other sessions even if it was not committed.
Multi version concurrency (MVCC): when a row was updated, and the updated column was not indexed, this update was visible sometimes for other sessions even if it was not committed.
@changelog_1140_li
@changelog_1143_li
Calling SHUTDOWN on one connection and starting a query on another connection concurrently could result in a Java level deadlock.
Calling SHUTDOWN on one connection and starting a query on another connection concurrently could result in a Java level deadlock.
@changelog_1141_li
@changelog_1144_li
New system property h2.enableAnonymousSSL (default: true) to enable anonymous SSL connections.
New system property h2.enableAnonymousSSL (default: true) to enable anonymous SSL connections.
@changelog_1142_li
@changelog_1145_li
The precision if SUBSTR is now calculated if possible.
The precision if SUBSTR is now calculated if possible.
@changelog_1143_li
@changelog_1146_li
The autocomplete in the H2 Console has been improved a bit.
The autocomplete in the H2 Console has been improved a bit.
@changelog_1144_li
@changelog_1147_li
The tools in the H2 Console are now translatable.
The tools in the H2 Console are now translatable.
@changelog_1145_li
@changelog_1148_li
The servlet and lucene jar files are now automatically downloaded when building.
The servlet and lucene jar files are now automatically downloaded when building.
@changelog_1146_li
@changelog_1149_li
The code switch tool has been replaced by a simpler tool called SwitchSource that just uses find and replace.
The code switch tool has been replaced by a simpler tool called SwitchSource that just uses find and replace.
@changelog_1147_li
@changelog_1150_li
Started to write a Ant replacement ('JAnt') that uses pure Java build definitions. Advantages: ability to debug the build, extensible, flexible, no XML, a bit faster. Future plan: support creating custom h2 distributions (for embedded use). Maybe create a new project 'Jant' or 'Javen' if other people are interested.
Started to write a Ant replacement ('JAnt') that uses pure Java build definitions. Advantages: ability to debug the build, extensible, flexible, no XML, a bit faster. Future plan: support creating custom h2 distributions (for embedded use). Maybe create a new project 'Jant' or 'Javen' if other people are interested.
@changelog_1148_li
@changelog_1151_li
The jar file is now about 10% smaller because the variable debugging info is no longer included. The source file and line number debugging info is still included. If required, the jar file size of the full version can be further reduced to about 720 KB using 'build jarSmall' or even more by removing unneeded components.
The jar file is now about 10% smaller because the variable debugging info is no longer included. The source file and line number debugging info is still included. If required, the jar file size of the full version can be further reduced to about 720 KB using 'build jarSmall' or even more by removing unneeded components.
@changelog_1149_li
@changelog_1152_li
Added shell scripts run.sh and build.sh. chmod +x is required, but otherwise it should work. Feedback or improvements are welcome!
Added shell scripts run.sh and build.sh. chmod +x is required, but otherwise it should work. Feedback or improvements are welcome!
@changelog_1150_li
@changelog_1153_li
Databases in zip files: large queries are now supported. Temp files are created in the temp directory if required. The documentation how to create the zip file has been corrected.
Databases in zip files: large queries are now supported. Temp files are created in the temp directory if required. The documentation how to create the zip file has been corrected.
The Japanese translation of the error messages and the H2 Console has been improved. Thanks a lot to Masahiro IKEMOTO.
The Japanese translation of the error messages and the H2 Console has been improved. Thanks a lot to Masahiro IKEMOTO.
@changelog_1153_li
@changelog_1156_li
Optimization for MIN() and MAX() when using MVCC.
Optimization for MIN() and MAX() when using MVCC.
@changelog_1154_li
@changelog_1157_li
To protect against remote brute force password attacks, the delay after each unsuccessful login now gets double as long. New system properties h2.delayWrongPasswordMin and h2.delayWrongPasswordMax.
To protect against remote brute force password attacks, the delay after each unsuccessful login now gets double as long. New system properties h2.delayWrongPasswordMin and h2.delayWrongPasswordMax.
@changelog_1155_li
@changelog_1158_li
After setting the query timeout and then resetting it, the next query would still timeout. Fixed.
After setting the query timeout and then resetting it, the next query would still timeout. Fixed.
@changelog_1156_li
@changelog_1159_li
Adding a IDENTITY column to a table with data threw a lock timeout.
Adding a IDENTITY column to a table with data threw a lock timeout.
@changelog_1157_li
@changelog_1160_li
OutOfMemoryError could occur when using EXISTS or IN(SELECT ..).
OutOfMemoryError could occur when using EXISTS or IN(SELECT ..).
@changelog_1158_li
@changelog_1161_li
The built-in connection pool is not called JdbcConnectionPool. The API and documentation has been changed.
The built-in connection pool is not called JdbcConnectionPool. The API and documentation has been changed.
@changelog_1159_li
@changelog_1162_li
The ConvertTraceFile tool now generates SQL statement statistics at the end of the SQL script file (similar to the profiling data generated when using java -Xrunhprof).
The ConvertTraceFile tool now generates SQL statement statistics at the end of the SQL script file (similar to the profiling data generated when using java -Xrunhprof).
@changelog_1160_li
@changelog_1163_li
Nested joins are now supported (A JOIN B JOIN C ON .. ON ..)
Nested joins are now supported (A JOIN B JOIN C ON .. ON ..)
@changelog_1161_h2
@changelog_1164_h2
Version 1.0.69 (2008-03-29)
Version 1.0.69 (2008-03-29)
@changelog_1162_li
@changelog_1165_li
Most command line tools can now be called from within the H2 Console.
Most command line tools can now be called from within the H2 Console.
@changelog_1163_li
@changelog_1166_li
A new Shell tools is now included (org.h2.tools.Shell) to query a database from the command line.
A new Shell tools is now included (org.h2.tools.Shell) to query a database from the command line.
@changelog_1164_li
@changelog_1167_li
The command line options in the tools have changed: instead of '-log true' now '-trace' is used. Also, '-ifExists', '-tcpSSL' and '-tcpAllowOthers' and so on have changed: now the 'true' is no longer needed. The old behavior is still supported.
The command line options in the tools have changed: instead of '-log true' now '-trace' is used. Also, '-ifExists', '-tcpSSL' and '-tcpAllowOthers' and so on have changed: now the 'true' is no longer needed. The old behavior is still supported.
@changelog_1165_li
@changelog_1168_li
New system property h2.sortNullsHigh to invert the default sorting behavior for NULL. The default didn't change.
New system property h2.sortNullsHigh to invert the default sorting behavior for NULL. The default didn't change.
@changelog_1166_li
@changelog_1169_li
Performance was very slow when using LOG=2 and deleting or updating all rows of a table in a loop. Fixed.
Performance was very slow when using LOG=2 and deleting or updating all rows of a table in a loop. Fixed.
@changelog_1167_li
@changelog_1170_li
ALTER TABLE or CREATE TABLE now support parameters for the password field.
ALTER TABLE or CREATE TABLE now support parameters for the password field.
@changelog_1168_li
@changelog_1171_li
The linear hash has been removed. It was always slower than the b-tree index, and there were some bugs that would be hard to fix.
The linear hash has been removed. It was always slower than the b-tree index, and there were some bugs that would be hard to fix.
@changelog_1169_li
@changelog_1172_li
TRACE_LEVEL_ settings are no longer persistent. This was a problem when database initialization code caused a lot of trace output.
TRACE_LEVEL_ settings are no longer persistent. This was a problem when database initialization code caused a lot of trace output.
@changelog_1170_li
@changelog_1173_li
Fulltext search (native implementation): The words table is no longer an in-memory table because this caused memory problems in some cases.
Fulltext search (native implementation): The words table is no longer an in-memory table because this caused memory problems in some cases.
@changelog_1171_li
@changelog_1174_li
It was possible to create a role with the name as an existing user (but not vice versa). This is not allowed any more.
It was possible to create a role with the name as an existing user (but not vice versa). This is not allowed any more.
@changelog_1172_li
@changelog_1175_li
The recovery tool didn't work correctly for tables without rows.
The recovery tool didn't work correctly for tables without rows.
@changelog_1173_li
@changelog_1176_li
For years below 1, the YEAR method didn't return the correct value, and the conversion from date and timestamp to varchar was incorrect.
For years below 1, the YEAR method didn't return the correct value, and the conversion from date and timestamp to varchar was incorrect.
@changelog_1174_li
@changelog_1177_li
CSVWRITE caused a NullPointerException when not specifying a nullString.
CSVWRITE caused a NullPointerException when not specifying a nullString.
@changelog_1175_li
@changelog_1178_li
When a log file switch occurred just after a truncate table or drop table statement, the database could not be started normally (RECOVER=1 was required). Fixed.
When a log file switch occurred just after a truncate table or drop table statement, the database could not be started normally (RECOVER=1 was required). Fixed.
@changelog_1176_li
@changelog_1179_li
When a log file switch occurred in the middle of a sequence flush (sequences are only flushed every 32 values by default), the sequence value was lost. Fixed.
When a log file switch occurred in the middle of a sequence flush (sequences are only flushed every 32 values by default), the sequence value was lost. Fixed.
@changelog_1177_li
@changelog_1180_li
Altering a sequence didn't unlock the system table when autocommit switched off.
Altering a sequence didn't unlock the system table when autocommit switched off.
@changelog_1178_h2
@changelog_1181_h2
Version 1.0.68 (2008-03-18)
Version 1.0.68 (2008-03-18)
@changelog_1179_li
@changelog_1182_li
Very large SELECT DISTINCT and UNION EXCEPT queries are now supported, however this feature is disabled by default. To enable it, set the system property h2.maxMemoryRowsDistinct to a lower value, for example 10000.
Very large SELECT DISTINCT and UNION EXCEPT queries are now supported, however this feature is disabled by default. To enable it, set the system property h2.maxMemoryRowsDistinct to a lower value, for example 10000.
@changelog_1180_li
@changelog_1183_li
A error is now thrown when trying to call a method inside a trigger that implicitly commits the current transaction, if an object is locked.
A error is now thrown when trying to call a method inside a trigger that implicitly commits the current transaction, if an object is locked.
@changelog_1181_li
@changelog_1184_li
Unused LOB files were deleted much too late. Now they are deleted if no longer referenced in memory.
Unused LOB files were deleted much too late. Now they are deleted if no longer referenced in memory.
@changelog_1182_li
@changelog_1185_li
ALTER SEQUENCE and ALTER TABLE ALTER COLUMN RESTART can now be used inside a transaction.
ALTER SEQUENCE and ALTER TABLE ALTER COLUMN RESTART can now be used inside a transaction.
@changelog_1183_li
@changelog_1186_li
New system property h2.aliasColumnName. When enabled, aliased columns (as in SELECT ID AS I FROM TEST) return the real table and column name in ResultSetMetaData.getTableName() and getColumnName(). This is disabled by default for compatibility with other databases (HSQLDB, Apache Derby, PostgreSQL, some version of MySQL). In version 1.1 this setting will be enabled.
New system property h2.aliasColumnName. When enabled, aliased columns (as in SELECT ID AS I FROM TEST) return the real table and column name in ResultSetMetaData.getTableName() and getColumnName(). This is disabled by default for compatibility with other databases (HSQLDB, Apache Derby, PostgreSQL, some version of MySQL). In version 1.1 this setting will be enabled.
@changelog_1184_li
@changelog_1187_li
When using encrypted databases, and using the wrong file password, the log file was renamed if the database was not already open. Fixed.
When using encrypted databases, and using the wrong file password, the log file was renamed if the database was not already open. Fixed.
@changelog_1185_li
@changelog_1188_li
Improved performance when using lob files in directories (however this is still disabled by default)
Improved performance when using lob files in directories (however this is still disabled by default)
@changelog_1186_li
@changelog_1189_li
H2 Console: autocomplete didn't work with very large scripts. Fixed.
H2 Console: autocomplete didn't work with very large scripts. Fixed.
@changelog_1187_li
@changelog_1190_li
Fulltext search: new method SEARCH_DATA that returns the column names and primary keys as arrays.
Fulltext search: new method SEARCH_DATA that returns the column names and primary keys as arrays.
@changelog_1188_li
@changelog_1191_li
New experimental optimization for GROUP BY queries if an index can be used that matches the group by columns. To enable this optimization, set the system property h2.optimizeGroupSorted to true.
New experimental optimization for GROUP BY queries if an index can be used that matches the group by columns. To enable this optimization, set the system property h2.optimizeGroupSorted to true.
@changelog_1189_li
@changelog_1192_li
When using multi-version concurrency (MVCC=TRUE), duplicate rows could appear in the result set when running queries with uncommitted changes in the same session.
When using multi-version concurrency (MVCC=TRUE), duplicate rows could appear in the result set when running queries with uncommitted changes in the same session.
@changelog_1190_li
@changelog_1193_li
H2 Console: remote connections were very slow because getHostName/getRemoteHost was used. Fixed (now using getHostAddress/getRemoteAddr.
H2 Console: remote connections were very slow because getHostName/getRemoteHost was used. Fixed (now using getHostAddress/getRemoteAddr.
@changelog_1191_li
@changelog_1194_li
H2 Console: on Linux, Firefox, Konqueror, or Opera (in this order) are now started if available. This has been tested on Ubuntu.
H2 Console: on Linux, Firefox, Konqueror, or Opera (in this order) are now started if available. This has been tested on Ubuntu.
@changelog_1192_li
@changelog_1195_li
H2 Console: the start window works better with IKVM
H2 Console: the start window works better with IKVM
@changelog_1193_li
@changelog_1196_li
H2 Console: improved compatibility with Safari (Safari requires keep-alive)
H2 Console: improved compatibility with Safari (Safari requires keep-alive)
@changelog_1194_li
@changelog_1197_li
Random: the process didn't stop if generating the random seed using the standard way (SecureRandom.generateSeed) was very slow. Now using a daemon thread to avoid this problem.
Random: the process didn't stop if generating the random seed using the standard way (SecureRandom.generateSeed) was very slow. Now using a daemon thread to avoid this problem.
@changelog_1195_li
@changelog_1198_li
SELECT UNION with a different number of ORDER BY columns did throw an ArrayIndexOutOfBoundsException.
SELECT UNION with a different number of ORDER BY columns did throw an ArrayIndexOutOfBoundsException.
@changelog_1196_li
@changelog_1199_li
When using a view, the column precision was changed to the default scale for some data types.
When using a view, the column precision was changed to the default scale for some data types.
@changelog_1197_li
@changelog_1200_li
CSVWRITE now supports a 'null string' that is used for parsing and writing NULL.
CSVWRITE now supports a 'null string' that is used for parsing and writing NULL.
@changelog_1198_li
@changelog_1201_li
Some long running queries could not be canceled.
Some long running queries could not be canceled.
@changelog_1199_li
@changelog_1202_li
Queries with many outer join tables were very slow. Fixed.
Queries with many outer join tables were very slow. Fixed.
@changelog_1200_li
@changelog_1203_li
The performance of text comparison has been improved when using locale sensitive string comparison (SET COLLATOR). Now CollationKey is used with a LRU cache. The default cache size is 10000, and can be changed using the system property h2.collatorCacheSize. Use 0 to disable the cache.
The performance of text comparison has been improved when using locale sensitive string comparison (SET COLLATOR). Now CollationKey is used with a LRU cache. The default cache size is 10000, and can be changed using the system property h2.collatorCacheSize. Use 0 to disable the cache.
@changelog_1201_li
@changelog_1204_li
UPDATE SET column=DEFAULT is now supported.
UPDATE SET column=DEFAULT is now supported.
@changelog_1202_h2
@changelog_1205_h2
Version 1.0.67 (2008-02-22)
Version 1.0.67 (2008-02-22)
@changelog_1203_li
@changelog_1206_li
New function FILE_READ to read a file or from an URL. Both binary and text data is supported.
New function FILE_READ to read a file or from an URL. Both binary and text data is supported.
@changelog_1204_li
@changelog_1207_li
CREATE TABLE AS SELECT now supports specifying the column list and data types.
CREATE TABLE AS SELECT now supports specifying the column list and data types.
@changelog_1205_li
@changelog_1208_li
Connecting to a TCP server and at shutting it down at the same time could cause a Java level deadlock.
Connecting to a TCP server and at shutting it down at the same time could cause a Java level deadlock.
@changelog_1206_li
@changelog_1209_li
A user now has all rights on his own local temporary tables.
A user now has all rights on his own local temporary tables.
@changelog_1207_li
@changelog_1210_li
The CSV tool now supports a custom lineSeparator.
The CSV tool now supports a custom lineSeparator.
@changelog_1208_li
@changelog_1211_li
When using multiple connections, empty space was reused too early sometimes. This could corrupt the database when recovering.
When using multiple connections, empty space was reused too early sometimes. This could corrupt the database when recovering.
@changelog_1209_li
@changelog_1212_li
The H2 Console has been translated to Dutch. Thanks a lot to Remco Schoen!
The H2 Console has been translated to Dutch. Thanks a lot to Remco Schoen!
@changelog_1210_li
@changelog_1213_li
Databases can now be opened even if trigger classes are not in the classpath. The exception is thrown when trying to fire the trigger.
Databases can now be opened even if trigger classes are not in the classpath. The exception is thrown when trying to fire the trigger.
@changelog_1211_li
@changelog_1214_li
Opening databases with ACCESS_MODE_DATA=r is now supported. In this case the database is read-only, but the files don't not need to be read-only.
Opening databases with ACCESS_MODE_DATA=r is now supported. In this case the database is read-only, but the files don't not need to be read-only.
@changelog_1212_li
@changelog_1215_li
Security: The database now waits 200 ms before throwing an exception if the user name or password don't match, to slow down dictionary attacks.
Security: The database now waits 200 ms before throwing an exception if the user name or password don't match, to slow down dictionary attacks.
@changelog_1213_li
@changelog_1216_li
The value cache is now a soft reference cache. This should help save memory.
The value cache is now a soft reference cache. This should help save memory.
@changelog_1214_li
@changelog_1217_li
CREATE INDEX on a table with many rows could run out of memory. Fixed.
CREATE INDEX on a table with many rows could run out of memory. Fixed.
@changelog_1215_li
@changelog_1218_li
Large result sets are now a bit faster.
Large result sets are now a bit faster.
@changelog_1216_li
@changelog_1219_li
ALTER TABLE ALTER COLUMN RESTART and ALTER SEQUENCE now support parameters (any expressions).
ALTER TABLE ALTER COLUMN RESTART and ALTER SEQUENCE now support parameters (any expressions).
@changelog_1217_li
@changelog_1220_li
When setting the base directory on the command line, the user directory prefix ('~') was ignored.
When setting the base directory on the command line, the user directory prefix ('~') was ignored.
@changelog_1218_li
@changelog_1221_li
The DbStarter servlet didn't start the TCP listener even if configured.
The DbStarter servlet didn't start the TCP listener even if configured.
@changelog_1219_li
@changelog_1222_li
Statement.setQueryTimeout() is now supported.
Statement.setQueryTimeout() is now supported.
@changelog_1220_li
@changelog_1223_li
New session setting QUERY_TIMEOUT, and new system property h2.maxQueryTimeout.
New session setting QUERY_TIMEOUT, and new system property h2.maxQueryTimeout.
@changelog_1221_li
@changelog_1224_li
Changing the transaction log level (SET LOG) is now written to the trace file by default.
Changing the transaction log level (SET LOG) is now written to the trace file by default.
@changelog_1222_li
@changelog_1225_li
In a SQL script, primary key constraints are now ordered before foreign key constraints.
In a SQL script, primary key constraints are now ordered before foreign key constraints.
@changelog_1223_li
@changelog_1226_li
It was not possible to create a referential constraint to a table in a different schema in some situations.
It was not possible to create a referential constraint to a table in a different schema in some situations.
@changelog_1224_li
@changelog_1227_li
The H2 Console was slow when the database contains many tables. Now the column names are not shown in this case.
The H2 Console was slow when the database contains many tables. Now the column names are not shown in this case.
@changelog_1225_h2
@changelog_1228_h2
Version 1.0.66 (2008-02-02)
Version 1.0.66 (2008-02-02)
@changelog_1226_li
@changelog_1229_li
There is a new online error analyzer tool.
There is a new online error analyzer tool.
@changelog_1227_li
@changelog_1230_li
H2 Console: stack traces are now links to the source code in the source repository (H2 database only).
H2 Console: stack traces are now links to the source code in the source repository (H2 database only).
@changelog_1228_li
@changelog_1231_li
CHAR data type equals comparison was case insensitive instead of case sensitive.
CHAR data type equals comparison was case insensitive instead of case sensitive.
@changelog_1229_li
@changelog_1232_li
The exception 'Value too long for column' now includes the data.
The exception 'Value too long for column' now includes the data.
@changelog_1230_li
@changelog_1233_li
The table name was missing in the documentation of CREATE INDEX.
The table name was missing in the documentation of CREATE INDEX.
@changelog_1231_li
@changelog_1234_li
Better support for IKVM (www.ikvm.net): the H2 Console now opens a browser window.
Better support for IKVM (www.ikvm.net): the H2 Console now opens a browser window.
@changelog_1232_li
@changelog_1235_li
The cache size was not correctly calculated for tables with large objects (specially if compression is used). This could lead to out-of-memory exceptions.
The cache size was not correctly calculated for tables with large objects (specially if compression is used). This could lead to out-of-memory exceptions.
@changelog_1233_li
@changelog_1236_li
The exception "Hexadecimal string contains non-hex character" was not always thrown when it should have been. Fixed.
The exception "Hexadecimal string contains non-hex character" was not always thrown when it should have been. Fixed.
@changelog_1234_li
@changelog_1237_li
The H2 Console now provides a link to the documentation when an error occurs (H2 databases only so far).
The H2 Console now provides a link to the documentation when an error occurs (H2 databases only so far).
@changelog_1235_li
@changelog_1238_li
The acting as PostgreSQL server, when a base directory was set, and the H2 Console was started as well, the base directory was applied twice.
The acting as PostgreSQL server, when a base directory was set, and the H2 Console was started as well, the base directory was applied twice.
@changelog_1236_li
@changelog_1239_li
Calling EXTRACT(HOUR FROM ...) or EXTRACT(HH FROM ...) returned the wrong values (0 to 11 instead of 0 to 23). All other tested databases return values from 0 to 23. Please check if your application relies on the old behavior before upgrading.
Calling EXTRACT(HOUR FROM ...) or EXTRACT(HH FROM ...) returned the wrong values (0 to 11 instead of 0 to 23). All other tested databases return values from 0 to 23. Please check if your application relies on the old behavior before upgrading.
@changelog_1237_li
@changelog_1240_li
For compatibility with other databases the column default (COLUMN_DEF) for columns without default is now null (it was an empty string).
For compatibility with other databases the column default (COLUMN_DEF) for columns without default is now null (it was an empty string).
@changelog_1238_li
@changelog_1241_li
Statements that contain very large subqueries (where the subquery result does not fit in memory) are now faster.
Statements that contain very large subqueries (where the subquery result does not fit in memory) are now faster.
@changelog_1239_li
@changelog_1242_li
Variables: large objects (CLOB and BLOB) that don't fit in memory did not work correctly when used as variables.
Variables: large objects (CLOB and BLOB) that don't fit in memory did not work correctly when used as variables.
@changelog_1240_li
@changelog_1243_li
Fulltext search is now supported in named in-memory databases.
Fulltext search is now supported in named in-memory databases.
@changelog_1241_li
@changelog_1244_li
H2 Console: multiple consecutive spaces in the setting name did not work. Fixed.
H2 Console: multiple consecutive spaces in the setting name did not work. Fixed.
@changelog_1242_h2
@changelog_1245_h2
Version 1.0.65 (2008-01-18)
Version 1.0.65 (2008-01-18)
@changelog_1243_li
@changelog_1246_li
The build (ant) now automatically switches the source code to the correct version (JDK 1.4/1.5 or 1.6).
The build (ant) now automatically switches the source code to the correct version (JDK 1.4/1.5 or 1.6).
@changelog_1244_li
@changelog_1247_li
A recovery bug has been fixed. With older versions, it was necessary to add ;RECOVER=1 to the database URL in cases where it should not have been required.
A recovery bug has been fixed. With older versions, it was necessary to add ;RECOVER=1 to the database URL in cases where it should not have been required.
@changelog_1245_li
@changelog_1248_li
The performance for DROP and DROP ALL OBJECTS has been improved.
The performance for DROP and DROP ALL OBJECTS has been improved.
@changelog_1246_li
@changelog_1249_li
The ChangePassword API has been improved.
The ChangePassword API has been improved.
@changelog_1247_li
@changelog_1250_li
User defined variables are now supported. Examples: SET @VAR=10;CALL @VAR. This can be used for running totals as in: select x, set(@t, ifnull(@t, 0) + x) from system_range(1, 10)
User defined variables are now supported. Examples: SET @VAR=10;CALL @VAR. This can be used for running totals as in: select x, set(@t, ifnull(@t, 0) + x) from system_range(1, 10)
@changelog_1248_li
@changelog_1251_li
The Ukrainian translation has been improved.
The Ukrainian translation has been improved.
@changelog_1249_li
@changelog_1252_li
CALL statements can now be used in batch updates and called using Statement.executeUpdate.
CALL statements can now be used in batch updates and called using Statement.executeUpdate.
@changelog_1250_li
@changelog_1253_li
New read-only setting CREATE_BUILD (the build number of the database engine that created the database).
New read-only setting CREATE_BUILD (the build number of the database engine that created the database).
@changelog_1251_li
@changelog_1254_li
The optimizer did not use multi column indexes for range queries in some cases. Fixed.
The optimizer did not use multi column indexes for range queries in some cases. Fixed.
@changelog_1252_li
@changelog_1255_li
The H2 Console now calls DataSource.getConnection() instead of DataSource.getConnection(user, password) when user name and password are not specified.
The H2 Console now calls DataSource.getConnection() instead of DataSource.getConnection(user, password) when user name and password are not specified.
@changelog_1253_li
@changelog_1256_li
The bind IP address can now be set when using multi-homed host (if multiple network adapters are available) using the system property h2.bindAddress.
The bind IP address can now be set when using multi-homed host (if multiple network adapters are available) using the system property h2.bindAddress.
@changelog_1254_li
@changelog_1257_li
Batch update: Calling BatchUpdateException.printStackTrace() could result in out of memory. Fixed.
Batch update: Calling BatchUpdateException.printStackTrace() could result in out of memory. Fixed.
@changelog_1255_li
@changelog_1258_li
Indexes of unique or foreign constraints where not dropped when the constraint was dropped after altering the table (for example dropping a column). Fixed.
Indexes of unique or foreign constraints where not dropped when the constraint was dropped after altering the table (for example dropping a column). Fixed.
@changelog_1256_li
@changelog_1259_li
The performance for large result sets in the server mode has been improved.
The performance for large result sets in the server mode has been improved.
@changelog_1257_li
@changelog_1260_li
The setting h2.serverSmallResultSetSize has been renamed to h2.serverResultSetFetchSize.
The setting h2.serverSmallResultSetSize has been renamed to h2.serverResultSetFetchSize.
@changelog_1258_li
@changelog_1261_li
The SCRIPT command now uses multi-row insert statements to save space except if the option SIMPLE is used.
The SCRIPT command now uses multi-row insert statements to save space except if the option SIMPLE is used.
@changelog_1259_li
@changelog_1262_li
The SCRIPT command did not split up CLOB data correctly. Fixed.
The SCRIPT command did not split up CLOB data correctly. Fixed.
@changelog_1260_li
@changelog_1263_li
Optimization for single column distinct queries with an index: select distinct name from test. Can be disabled by setting the system property h2.optimizeDistinct to false.
Optimization for single column distinct queries with an index: select distinct name from test. Can be disabled by setting the system property h2.optimizeDistinct to false.
@changelog_1261_li
@changelog_1264_li
DROP ALL OBJECTS did not drop user defined aggregate functions and domains.
DROP ALL OBJECTS did not drop user defined aggregate functions and domains.
@changelog_1262_li
@changelog_1265_li
PostgreSQL compatibility: COUNT(T.*) is now supported.
PostgreSQL compatibility: COUNT(T.*) is now supported.
@changelog_1263_li
@changelog_1266_li
LIKE comparisons are now faster.
LIKE comparisons are now faster.
@changelog_1264_li
@changelog_1267_li
Encrypted databases are now faster.
Encrypted databases are now faster.
@changelog_1265_h2
@changelog_1268_h2
Version 1.0.64 (2007-12-27)
Version 1.0.64 (2007-12-27)
@changelog_1266_li
@changelog_1269_li
3-way union queries with prepared statement or views could return the wrong results. Fixed.
3-way union queries with prepared statement or views could return the wrong results. Fixed.
@changelog_1267_li
@changelog_1270_li
The PostgreSQL ODBC driver did not work in the last release due to a parser regression. Fixed.
The PostgreSQL ODBC driver did not work in the last release due to a parser regression. Fixed.
@changelog_1268_li
@changelog_1271_li
CSV tool: some escape/separator character combinations did not work. Fixed.
CSV tool: some escape/separator character combinations did not work. Fixed.
@changelog_1269_li
@changelog_1272_li
CSV tool: the character # could not be used as a separator when reading.
CSV tool: the character # could not be used as a separator when reading.
@changelog_1270_li
@changelog_1273_li
Recovery: when the index file is corrupt, now the database deletes it and re-creates it automatically.
Recovery: when the index file is corrupt, now the database deletes it and re-creates it automatically.
@changelog_1271_li
@changelog_1274_li
The MVCC mode did not work well with in-memory databases. Fixed.
The MVCC mode did not work well with in-memory databases. Fixed.
@changelog_1272_li
@changelog_1275_li
The FTP server now supports a event listener. Thanks Fulvio Biondi for the help!
The FTP server now supports a event listener. Thanks Fulvio Biondi for the help!
@changelog_1273_li
@changelog_1276_li
New system function CANCEL_SESSION to cancel the currently executing statement of another session.
New system function CANCEL_SESSION to cancel the currently executing statement of another session.
@changelog_1274_li
@changelog_1277_li
The database now supports an exclusive mode. In exclusive mode, new connections are rejected.
The database now supports an exclusive mode. In exclusive mode, new connections are rejected.
@changelog_1275_li
@changelog_1278_li
H2 Console: when editing result sets, columns can now be set to null. The text 'null' must be escaped using '=null'.
H2 Console: when editing result sets, columns can now be set to null. The text 'null' must be escaped using '=null'.
@changelog_1276_li
@changelog_1279_li
New built-in functions RPAD and LPAD.
New built-in functions RPAD and LPAD.
@changelog_1277_li
@changelog_1280_li
New meta data table INFORMATION_SCHEMA.SESSIONS and LOCKS to get information about active connections and locks. Admins will see all connections, non-admins only their own session.
New meta data table INFORMATION_SCHEMA.SESSIONS and LOCKS to get information about active connections and locks. Admins will see all connections, non-admins only their own session.
@changelog_1278_li
@changelog_1281_li
The Ukrainian translation was not working in the last release. Fixed.
The Ukrainian translation was not working in the last release. Fixed.
@changelog_1279_li
@changelog_1282_li
Creating many tables (many hundreds) was slow. Fixed.
Creating many tables (many hundreds) was slow. Fixed.
@changelog_1280_li
@changelog_1283_li
Opening a database with many indexes (thousands) was slow. Fixed.
Opening a database with many indexes (thousands) was slow. Fixed.
@changelog_1281_li
@changelog_1284_li
H2 Console / autocomplete: Ctrl+Space now shows the list in all modes.
H2 Console / autocomplete: Ctrl+Space now shows the list in all modes.
@changelog_1282_li
@changelog_1285_li
The method Trigger.init has been changed: the parameters 'before' and 'type', have been added to the init method.
The method Trigger.init has been changed: the parameters 'before' and 'type', have been added to the init method.
@changelog_1283_li
@changelog_1286_li
The performance has been improved for ResultSet methods with column name.
The performance has been improved for ResultSet methods with column name.
@changelog_1284_li
@changelog_1287_li
A stack trace was thrown if the system did not provide a quick secure random source and if there is no network or the network settings are not configured. Fixed.
A stack trace was thrown if the system did not provide a quick secure random source and if there is no network or the network settings are not configured. Fixed.
@changelog_1285_li
@changelog_1288_li
The H2 Console has been translated to Turkish. Thanks a lot to Ridvan Agar!
The H2 Console has been translated to Turkish. Thanks a lot to Ridvan Agar!
@changelog_1286_li
@changelog_1289_li
Improved debugging support: toString methods of most object now return a meaningful text.
Improved debugging support: toString methods of most object now return a meaningful text.
@changelog_1287_li
@changelog_1290_li
The classes DbStarter and WebServlet have been moved to src/main.
The classes DbStarter and WebServlet have been moved to src/main.
@changelog_1288_li
@changelog_1291_li
The column INFORMATION_SCHEMA.TRIGGERS.SQL now contains the CREATE TRIGGER statement.
The column INFORMATION_SCHEMA.TRIGGERS.SQL now contains the CREATE TRIGGER statement.
@changelog_1289_li
@changelog_1292_li
Loading classes and calling methods can be restricted using the new system property h2.allowedClasses.
Loading classes and calling methods can be restricted using the new system property h2.allowedClasses.
@changelog_1290_li
@changelog_1293_li
The database could not be used in Java applets due to security exceptions. Fixed.
The database could not be used in Java applets due to security exceptions. Fixed.
@changelog_1291_h2
@changelog_1294_h2
Version 1.0.63 (2007-12-02)
Version 1.0.63 (2007-12-02)
@changelog_1292_li
@changelog_1295_li
The SecurePassword example has been improved.
The SecurePassword example has been improved.
@changelog_1293_li
@changelog_1296_li
In time zones where the summer time saving limit is at midnight, some dates do not work in some virtual machines, for example 2007-10-14 in Chile, using the Sun JVM 1.6.0_03-b05. Fixed.
In time zones where the summer time saving limit is at midnight, some dates do not work in some virtual machines, for example 2007-10-14 in Chile, using the Sun JVM 1.6.0_03-b05. Fixed.
@changelog_1294_li
@changelog_1297_li
The native fulltext search was not working properly after re-connecting.
The native fulltext search was not working properly after re-connecting.
@changelog_1295_li
@changelog_1298_li
Improved FTP server: now the PORT command is supported.
Improved FTP server: now the PORT command is supported.
@changelog_1296_li
@changelog_1299_li
Temporary views (FROM(...)) with UNION didn't work if nested. Fixed.
Temporary views (FROM(...)) with UNION didn't work if nested. Fixed.
@changelog_1297_li
@changelog_1300_li
Performance optimization for IN(...) and IN(SELECT...), currently disabled by default. To enable, use java -Dh2.optimizeInJoin=true
Performance optimization for IN(...) and IN(SELECT...), currently disabled by default. To enable, use java -Dh2.optimizeInJoin=true
@changelog_1298_li
@changelog_1301_li
The H2 Console has been translated to Ukrainian by Igor Dobrovolskyi. Thanks a lot!
The H2 Console has been translated to Ukrainian by Igor Dobrovolskyi. Thanks a lot!
@changelog_1299_li
@changelog_1302_li
New function TABLE_DISTINCT.
New function TABLE_DISTINCT.
@changelog_1300_li
@changelog_1303_li
Using LIMIT with values close to Integer.MAX_VALUE didn't work correctly.
Using LIMIT with values close to Integer.MAX_VALUE didn't work correctly.
@changelog_1301_li
@changelog_1304_li
Certain setting in the Server didn't work (http://code.google.com/p/h2database/issues/detail?id=7).
Certain setting in the Server didn't work (http://code.google.com/p/h2database/issues/detail?id=7).
@changelog_1302_h2
@changelog_1305_h2
Version 1.0.62 (2007-11-25)
Version 1.0.62 (2007-11-25)
@changelog_1303_li
@changelog_1306_li
Large updates and deletes are now supported by buffering data to disk if required. The threshold is currently set to 100'000 bytes and can be changed using SET MAX_OPERATION_MEMORY or using by appending ;MAX_OPERATION_MEMORY=.. to the database URL. See also the docs.
Large updates and deletes are now supported by buffering data to disk if required. The threshold is currently set to 100'000 bytes and can be changed using SET MAX_OPERATION_MEMORY or using by appending ;MAX_OPERATION_MEMORY=.. to the database URL. See also the docs.
@changelog_1304_li
@changelog_1307_li
MVCC: now an exception is thrown when an application tries to change the MVCC setting while the database is already open.
MVCC: now an exception is thrown when an application tries to change the MVCC setting while the database is already open.
@changelog_1305_li
@changelog_1308_li
Referential integrity checks didn't lock the referenced table, and thus could read uncommitted rows of other connections. In that way the referential constraints could get violated (except when using MVCC).
Referential integrity checks didn't lock the referenced table, and thus could read uncommitted rows of other connections. In that way the referential constraints could get violated (except when using MVCC).
@changelog_1306_li
@changelog_1309_li
Renaming or dropping a user with a schema, or removing the admin property of that user made the schema inaccessible after re-opening the database. Fixed.
Renaming or dropping a user with a schema, or removing the admin property of that user made the schema inaccessible after re-opening the database. Fixed.
@changelog_1307_li
@changelog_1310_li
The H2 Console now also support the command line option -ifExists when started from the Server tool, but only when connecting to H2 databases.
The H2 Console now also support the command line option -ifExists when started from the Server tool, but only when connecting to H2 databases.
@changelog_1308_li
@changelog_1311_li
Duplicate column names were not detected when renaming columns. Fixed.
Duplicate column names were not detected when renaming columns. Fixed.
@changelog_1309_li
@changelog_1312_li
The console did not display multiple embedded spaces in text correctly. Fixed.
The console did not display multiple embedded spaces in text correctly. Fixed.
@changelog_1310_li
@changelog_1313_li
Google Android support: use 'ant codeswitchAndroid' to switch the source code to Android.
Google Android support: use 'ant codeswitchAndroid' to switch the source code to Android.
@changelog_1311_li
@changelog_1314_li
Values of type ARRAY are now sorted as in PostgreSQL.
Values of type ARRAY are now sorted as in PostgreSQL.
@changelog_1312_li
@changelog_1315_li
In the cluster mode, could not connect if only one server was running (last release only). Fixed.
In the cluster mode, could not connect if only one server was running (last release only). Fixed.
@changelog_1313_li
@changelog_1316_li
The performance of large CSV operations has been improved.
The performance of large CSV operations has been improved.
@changelog_1314_li
@changelog_1317_li
Now using custom toString() for most JDBC objects and commands.
Now using custom toString() for most JDBC objects and commands.
@changelog_1315_li
@changelog_1318_li
Nested temporary views (SELECT * FROM (SELECT ...)) with parameters didn't work in some cases. Fixed.
Nested temporary views (SELECT * FROM (SELECT ...)) with parameters didn't work in some cases. Fixed.
@changelog_1316_li
@changelog_1319_li
CSV: Using an empty field delimiter didn't work (a workaround was using char(0)). Fixed.
CSV: Using an empty field delimiter didn't work (a workaround was using char(0)). Fixed.
@changelog_1317_li
@changelog_1320_li
A patch for Apache DDL Utils is available at https://issues.apache.org/jira/browse/DDLUTILS-185
A patch for Apache DDL Utils is available at https://issues.apache.org/jira/browse/DDLUTILS-185
@changelog_1318_li
@changelog_1321_li
The default value for h2.emergencySpaceInitial is now 256 KB (to speed up creating encrypted databases)
The default value for h2.emergencySpaceInitial is now 256 KB (to speed up creating encrypted databases)
@changelog_1319_li
@changelog_1322_li
Eduardo Velasques has translated the H2 Console and the error messages to Brazilian Portuguese. Thanks a lot!
Eduardo Velasques has translated the H2 Console and the error messages to Brazilian Portuguese. Thanks a lot!
@changelog_1320_li
@changelog_1323_li
Creating a table from GROUP_CONCAT didn't work if the data was longer than 255 characters
Creating a table from GROUP_CONCAT didn't work if the data was longer than 255 characters
@download_1000_h1
@download_1000_h1
Downloads
Downloads
@download_1001_h3
@download_1001_h3
Version 1.1.100 (2008-09-29, Beta)
Version 1.1.100 (2008-10-04, Beta)
@download_1002_a
@download_1002_a
Windows Installer
Windows Installer
...
@@ -5462,7 +5471,7 @@ Small footprint: around 1 MB
...
@@ -5462,7 +5471,7 @@ Small footprint: around 1 MB
#The H2 Console tool now works with the JDBC-ODBC bridge.
#-
@changelog_1003_li
@changelog_1003_h2
#The H2 Console tool now supports command line options to start things separately.
#Version 1.1.100 (2008-10-04)
@changelog_1004_li
@changelog_1004_li
#Large objects did not work for in-memory databases in server mode in Linux.
#In version 1.1, the following system properties are now enabled by default: h2.lobFilesInDirectories, h2.optimizeGroupSorted, h2.optimizeInJoin, h2.shareLinkedConnections
@changelog_1005_li
@changelog_1005_li
#Connections from a local address other than 'localhost' were not allowed if remote connections were disabled. This was always a problem, but only got visible in the last release because the server no longer connects to 'localhost' if networked.
#The H2 Console tool now works with the JDBC-ODBC bridge.
@changelog_1006_li
@changelog_1006_li
#The h2console.war can now be built using the Java build.
#The H2 Console tool now supports command line options to start things separately.
@changelog_1007_li
@changelog_1007_li
#By default, databases are shared in the same process. For read-only databases this causes unnecessary synchronization, but safes memory. If you want that each connection opens its own database, append ;OPEN_NEW=TRUE to the database URL.
#Large objects did not work for in-memory databases in server mode in Linux.
@changelog_1008_li
@changelog_1008_li
#New auto-reconnect feature will setting causes the JDBC driver to reconnect to the database if the connection is lost. To enable, append ;AUTO_RECONNECT=TRUE to the database URL. This is specially helpful when using AUTO_SERVER.
#Connections from a local address other than 'localhost' were not allowed if remote connections were disabled. This was always a problem, but only got visible in the last release because the server no longer connects to 'localhost' if networked.
@changelog_1009_li
@changelog_1009_li
#CreateCluster: the property 'serverlist' is now called 'serverList'.
#The h2console.war can now be built using the Java build.
@changelog_1010_li
@changelog_1010_li
#The ConvertTraceFile tool could not parse some files because the trace mechanism did not encode prepared statement parameters.
#By default, databases are shared in the same process. For read-only databases this causes unnecessary synchronization, but safes memory. If you want that each connection opens its own database, append ;OPEN_NEW=TRUE to the database URL.
@changelog_1011_li
@changelog_1011_li
#New auto-reconnect feature will cause the JDBC driver to reconnect to the database if the connection is lost. To enable, append ;AUTO_RECONNECT=TRUE to the database URL. This is specially helpful when using AUTO_SERVER. AUTO_SERVER automatically uses auto-reconnect.
@changelog_1012_li
#CreateCluster: the property 'serverlist' is now called 'serverList'.
@changelog_1013_li
#The ConvertTraceFile tool could not parse some files because the trace mechanism did not encode prepared statement parameters.
@changelog_1014_li
#Databases names can now be one character long (the minimum size used to be 2 characters).
#Databases names can now be one character long (the minimum size used to be 2 characters).
@changelog_1012_h2
@changelog_1015_h2
#Version 1.0.79 (2008-09-26)
#Version 1.0.79 (2008-09-26)
@changelog_1013_li
@changelog_1016_li
#Linked tables that point to the same database can now share the connection within the same database. Access to the same connection is serialized. To enable this feature, set the system property h2.shareLinkedConnections to true.
#Linked tables that point to the same database can now share the connection within the same database. Access to the same connection is serialized. To enable this feature, set the system property h2.shareLinkedConnections to true.
@changelog_1014_li
@changelog_1017_li
#Multiple processes can now access the same database without having to explicitly start the server. To do that, append ;AUTO_SERVER=TRUE to the database URL. In this case, the server is started automatically if the connection is in embedded mode, and the server mode is used if a server is running. If the process that opened the first connection is closed, the other client need to reconnect (there is no automatic re-connect so far). Remote connections are allowed, but only to this database.
#Multiple processes can now access the same database without having to explicitly start the server. To do that, append ;AUTO_SERVER=TRUE to the database URL. In this case, the server is started automatically if the connection is in embedded mode, and the server mode is used if a server is running. If the process that opened the first connection is closed, the other client need to reconnect (there is no automatic re-connect so far). Remote connections are allowed, but only to this database.
@changelog_1015_li
@changelog_1018_li
#The server tool now displays the correct IP address if networked.
#The server tool now displays the correct IP address if networked.
@changelog_1016_li
@changelog_1019_li
#Can now start a TCP server with port 0 (automatically select a port).
#Can now start a TCP server with port 0 (automatically select a port).
@changelog_1017_li
@changelog_1020_li
#Result sets with just a unique index can now be updated (previously a primary key was required).
#Result sets with just a unique index can now be updated (previously a primary key was required).
@changelog_1018_li
@changelog_1021_li
#LINKED TABLE: the schema name can now be set. When multiple tables exist in different schema, and the schema name is not set, an exception is thrown.
#LINKED TABLE: the schema name can now be set. When multiple tables exist in different schema, and the schema name is not set, an exception is thrown.
@changelog_1019_li
@changelog_1022_li
#LINKED TABLE: worked around a bug in Oracle with the CHAR data type.
#LINKED TABLE: worked around a bug in Oracle with the CHAR data type.
@changelog_1020_li
@changelog_1023_li
#Faster hash code calculation for large binary arrays.
#Faster hash code calculation for large binary arrays.
@changelog_1021_li
@changelog_1024_li
#Faster storage re-use algorithm thanks to Greg Dhuse from cleversafe.com.
#Faster storage re-use algorithm thanks to Greg Dhuse from cleversafe.com.
@changelog_1022_li
@changelog_1025_li
#The database supports the SHOW command for better MySQL and PostgreSQL compatibility.
#The database supports the SHOW command for better MySQL and PostgreSQL compatibility.
@changelog_1023_li
@changelog_1026_li
#The H2 Console now abbreviates large texts in results.
#The H2 Console now abbreviates large texts in results.
@changelog_1024_li
@changelog_1027_li
#Multiple UNION queries could not be used in derived tables.
#Multiple UNION queries could not be used in derived tables.
@changelog_1025_li
@changelog_1028_li
#Linked tables can now be read-only.
#Linked tables can now be read-only.
@changelog_1026_li
@changelog_1029_li
#Temporary linked tables are now supported.
#Temporary linked tables are now supported.
@changelog_1027_li
@changelog_1030_li
#It was possible to create tables in read-only databases.
#It was possible to create tables in read-only databases.
@changelog_1028_li
@changelog_1031_li
#SET SCHEMA_SEARCH_PATH is now documented.
#SET SCHEMA_SEARCH_PATH is now documented.
@changelog_1029_li
@changelog_1032_li
#SET SCHEMA did not work for views.
#SET SCHEMA did not work for views.
@changelog_1030_li
@changelog_1033_li
#Row level locking for MVCC is now enabled. The exception 'Concurrent update in table ...' is still thrown, but only after the lock timeout.
#Row level locking for MVCC is now enabled. The exception 'Concurrent update in table ...' is still thrown, but only after the lock timeout.
@changelog_1031_li
@changelog_1034_li
#The maximum log file size setting was ignored for large databases.
#The maximum log file size setting was ignored for large databases.
@changelog_1032_li
@changelog_1035_li
#Multi-Version Concurrency (MVCC) may no longer be used when using the multi-threaded kernel feature (MULTI_THREADED). An exception is thrown when trying to connect with both settings. Additional synchronization is required before those features can be used together.
#Multi-Version Concurrency (MVCC) may no longer be used when using the multi-threaded kernel feature (MULTI_THREADED). An exception is thrown when trying to connect with both settings. Additional synchronization is required before those features can be used together.
@changelog_1033_li
@changelog_1036_li
#The data type JAVA_OBJECT could not be used in updatable result sets.
#The data type JAVA_OBJECT could not be used in updatable result sets.
@changelog_1034_li
@changelog_1037_li
#The system property h2.optimizeInJoin did not work correctly.
#The system property h2.optimizeInJoin did not work correctly.
@changelog_1035_li
@changelog_1038_li
#Conditions such as ID=? AND ID>? were slow.
#Conditions such as ID=? AND ID>? were slow.
@changelog_1036_h2
@changelog_1039_h2
#Version 1.0.78 (2008-08-28)
#Version 1.0.78 (2008-08-28)
@changelog_1037_li
@changelog_1040_li
#The documentation no longer uses a frameset (except the Javadocs).
#The documentation no longer uses a frameset (except the Javadocs).
@changelog_1038_li
@changelog_1041_li
#When using DB_CLOSE_DELAY, sometimes a NullPointerException is thrown when the database is opened almost at the same time as it is closed automatically. Thanks a lot to Dmitry Pekar for finding this!
#When using DB_CLOSE_DELAY, sometimes a NullPointerException is thrown when the database is opened almost at the same time as it is closed automatically. Thanks a lot to Dmitry Pekar for finding this!
@changelog_1039_li
@changelog_1042_li
#Java methods with variable number of parameters can now be used (for Java 1.5 or newer).
#Java methods with variable number of parameters can now be used (for Java 1.5 or newer).
@changelog_1040_li
@changelog_1043_li
#The Japanese translation has been improved by Masahiro Ikemoto. Thanks a lot!
#The Japanese translation has been improved by Masahiro Ikemoto. Thanks a lot!
@changelog_1041_li
@changelog_1044_li
#The H2 Console replaced an empty user name with a single space.
#The H2 Console replaced an empty user name with a single space.
@changelog_1042_li
@changelog_1045_li
#The build target 'build jarSmall' now includes the embedded database.
#The build target 'build jarSmall' now includes the embedded database.
@changelog_1043_li
@changelog_1046_li
#JdbcDataSource now keeps the password in a char array where possible.
#JdbcDataSource now keeps the password in a char array where possible.
@changelog_1044_li
@changelog_1047_li
#ResultSet.absolute did not always work with large result sets.
#ResultSet.absolute did not always work with large result sets.
@changelog_1045_li
@changelog_1048_li
#Column aliases can now be used in GROUP BY and HAVING.
#Column aliases can now be used in GROUP BY and HAVING.
@changelog_1046_li
@changelog_1049_li
#Jason Brittain has contributed MySQL date functions. Thanks a lot! They are not in the h2.jar file currently, but in src/tools/org/h2/mode/FunctionsMySQL.java. To install, add this class to the classpath and call FunctionsMySQL.register(conn) in the Java code.
#Jason Brittain has contributed MySQL date functions. Thanks a lot! They are not in the h2.jar file currently, but in src/tools/org/h2/mode/FunctionsMySQL.java. To install, add this class to the classpath and call FunctionsMySQL.register(conn) in the Java code.
@changelog_1047_h2
@changelog_1050_h2
#Version 1.0.77 (2008-08-16)
#Version 1.0.77 (2008-08-16)
@changelog_1048_li
@changelog_1051_li
#JaQu is now using prepared statements and supports Date, Time, Timestamp.
#JaQu is now using prepared statements and supports Date, Time, Timestamp.
@changelog_1049_li
@changelog_1052_li
#When using remote in-memory databases, large LOB objects did not work.
#When using remote in-memory databases, large LOB objects did not work.
@changelog_1050_li
@changelog_1053_li
#Timestamp columns such as TIMESTAMP(6) were not compatible to other database.
#Timestamp columns such as TIMESTAMP(6) were not compatible to other database.
@changelog_1051_li
@changelog_1054_li
#Opening a large database was slow if there was a problem opening the previous time.
#Opening a large database was slow if there was a problem opening the previous time.
@changelog_1052_li
@changelog_1055_li
#NOT IN(SELECT ...) was incorrect if the subquery returns no rows.
#NOT IN(SELECT ...) was incorrect if the subquery returns no rows.
@changelog_1053_li
@changelog_1056_li
#CREATE TABLE AS SELECT did not work correctly in the multi-version concurrency mode.
#CREATE TABLE AS SELECT did not work correctly in the multi-version concurrency mode.
@changelog_1054_li
@changelog_1057_li
#Support a comma before closing a list, as in: create table test(id int,)
#Support a comma before closing a list, as in: create table test(id int,)
@changelog_1055_li
@changelog_1058_li
#MySQL compatibility: linked tables had lower case column names on some systems.
#MySQL compatibility: linked tables had lower case column names on some systems.
@changelog_1056_li
@changelog_1059_li
#DB2 compatibility: the DB2 fetch-first-clause is supported.
#DB2 compatibility: the DB2 fetch-first-clause is supported.
@changelog_1057_li
@changelog_1060_li
#Oracle compatibility: old style outer join syntax using (+) did work correctly sometimes.
#Oracle compatibility: old style outer join syntax using (+) did work correctly sometimes.
@changelog_1058_li
@changelog_1061_li
#ResultSet.setFetchSize is now supported.
#ResultSet.setFetchSize is now supported.
@changelog_1059_li
@changelog_1062_li
#It has been reported that when using Install4j on some Linux systems and enabling the 'pack200' option, the h2.jar becomes corrupted by the install process, causing application failure. A workaround is to add an empty file h2.jar.nopack next to the h2.jar file. The reason for this problem is not known.
#It has been reported that when using Install4j on some Linux systems and enabling the 'pack200' option, the h2.jar becomes corrupted by the install process, causing application failure. A workaround is to add an empty file h2.jar.nopack next to the h2.jar file. The reason for this problem is not known.
@changelog_1060_h2
@changelog_1063_h2
#Version 1.0.76 (2008-07-27)
#Version 1.0.76 (2008-07-27)
@changelog_1061_li
@changelog_1064_li
#The comment of a domain (user defined data type) is now used as the default column comment when creating a column with this domain.
#The comment of a domain (user defined data type) is now used as the default column comment when creating a column with this domain.
@changelog_1062_li
@changelog_1065_li
#Invalid database names are now detected and a better error message is thrown.
#Invalid database names are now detected and a better error message is thrown.
@changelog_1063_li
@changelog_1066_li
#ResultSetMetaData.getColumnClassName now returns the correct class name for BLOB and CLOB.
#ResultSetMetaData.getColumnClassName now returns the correct class name for BLOB and CLOB.
@changelog_1064_li
@changelog_1067_li
#Fixed the Oracle mode: Oracle allows multiple rows only where all columns of the unique index are NULL.
#Fixed the Oracle mode: Oracle allows multiple rows only where all columns of the unique index are NULL.
@changelog_1065_li
@changelog_1068_li
#There is a problem with Hibernate when using Boolean columns. A patch for Hibernate has been submitted at http://opensource.atlassian.com/projects/hibernate/browse/HHH-3401
#There is a problem with Hibernate when using Boolean columns. A patch for Hibernate has been submitted at http://opensource.atlassian.com/projects/hibernate/browse/HHH-3401
@changelog_1066_li
@changelog_1069_li
#ORDER BY on tableName.columnName didn't work correctly if the column name was also used as an alias.
#ORDER BY on tableName.columnName didn't work correctly if the column name was also used as an alias.
@changelog_1067_li
@changelog_1070_li
#H2 Console: The progress display when opening a database has been improved.
#H2 Console: The progress display when opening a database has been improved.
@changelog_1068_li
@changelog_1071_li
#The error message when the server doesn't start has been improved.
#The error message when the server doesn't start has been improved.
@changelog_1069_li
@changelog_1072_li
#Key values can now be changed in updatable result sets.
#Key values can now be changed in updatable result sets.
@changelog_1070_li
@changelog_1073_li
#Changes in updatable result sets are now visible even when resetting the result set.
#Changes in updatable result sets are now visible even when resetting the result set.
@changelog_1071_li
@changelog_1074_li
#Temporary files were sometimes deleted too late when executing large insert, update, or delete operations.
#Temporary files were sometimes deleted too late when executing large insert, update, or delete operations.
@changelog_1072_li
@changelog_1075_li
#The database file was growing after deleting many rows, and after large update operations.
#The database file was growing after deleting many rows, and after large update operations.
@changelog_1073_h2
@changelog_1076_h2
#Version 1.0.75 (2008-07-14)
#Version 1.0.75 (2008-07-14)
@changelog_1074_li
@changelog_1077_li
#Multi version concurrency (MVCC): when a row was updated or deleted, but this change was rolled back, the row was not visible by other sessions if no index was used to access it. Fixed.
#Multi version concurrency (MVCC): when a row was updated or deleted, but this change was rolled back, the row was not visible by other sessions if no index was used to access it. Fixed.
@changelog_1075_li
@changelog_1078_li
#Views with multiple joined tables (where one was an outer join) couldn't be used in some cases. Fixed.
#Views with multiple joined tables (where one was an outer join) couldn't be used in some cases. Fixed.
@changelog_1076_li
@changelog_1079_li
#The CSVREAD method did not process NULL correctly when using a whitespace field separator.
#The CSVREAD method did not process NULL correctly when using a whitespace field separator.
@changelog_1077_li
@changelog_1080_li
#Fixed the Oracle mode: Oracle allows multiple rows with NULL in a unique index.
#Fixed the Oracle mode: Oracle allows multiple rows with NULL in a unique index.
@changelog_1078_li
@changelog_1081_li
#Running out of memory could result in incomplete transactions or corrupted databases. Fixed.
#Running out of memory could result in incomplete transactions or corrupted databases. Fixed.
@changelog_1079_li
@changelog_1082_li
#When using order by in a query that uses the same table multiple times, the order could be incorrect. Fixed.
#When using order by in a query that uses the same table multiple times, the order could be incorrect. Fixed.
@changelog_1080_li
@changelog_1083_li
#Referential constraint checking improvement: now the constraint is only checked if the key column values change.
#Referential constraint checking improvement: now the constraint is only checked if the key column values change.
@changelog_1081_li
@changelog_1084_li
#Some database metadata calls returned the wrong data type for DATA_TYPE columns.
#Some database metadata calls returned the wrong data type for DATA_TYPE columns.
@changelog_1082_li
@changelog_1085_li
#The Lucene fulltext index was empty when opening a database with fulltext index enabled, and re-indexing it didn't work. Fixed.
#The Lucene fulltext index was empty when opening a database with fulltext index enabled, and re-indexing it didn't work. Fixed.
@changelog_1083_li
@changelog_1086_li
#The character '$' could not be used in identifier names (table name, column names and so on). Fixed.
#The character '$' could not be used in identifier names (table name, column names and so on). Fixed.
@changelog_1084_li
@changelog_1087_li
#The new method org.h2.tools.Server.startWebServer(conn) starts the H2 Console to inspect a database while debugging.
#The new method org.h2.tools.Server.startWebServer(conn) starts the H2 Console to inspect a database while debugging.
@changelog_1085_li
@changelog_1088_li
#Stopping a WebServer didn't always work. Fixed.
#Stopping a WebServer didn't always work. Fixed.
@changelog_1086_h2
@changelog_1089_h2
#Version 1.0.74 (2008-06-21)
#Version 1.0.74 (2008-06-21)
@changelog_1087_li
@changelog_1090_li
#Work on row level locking has been started (but there is nothing usable yet).
#Work on row level locking has been started (but there is nothing usable yet).
@changelog_1088_li
@changelog_1091_li
#JaQu (Java Query), a tool similar to LINQ (Language Integrated Query; from Microsoft) is now included under src/tools/org/h2/jaqu. A small sample application is included under src/test/org/h2/test/jaqu.
#JaQu (Java Query), a tool similar to LINQ (Language Integrated Query; from Microsoft) is now included under src/tools/org/h2/jaqu. A small sample application is included under src/test/org/h2/test/jaqu.
@changelog_1089_li
@changelog_1092_li
#The source code is now switched to Java 1.6 by default. To switch back to Java 1.4, run 'build compile'. The h2.jar file is still Java 1.4.
#The source code is now switched to Java 1.6 by default. To switch back to Java 1.4, run 'build compile'. The h2.jar file is still Java 1.4.
@changelog_1090_li
@changelog_1093_li
#The ChangePassword tool is now called ChangeFileEncryption.
#The ChangePassword tool is now called ChangeFileEncryption.
@changelog_1091_li
@changelog_1094_li
#It is no longer allowed to create columns with the data type NULL. Also, it is no longer allowed to convert a column to the data type NULL. This was possible before but caused data loss.
#It is no longer allowed to create columns with the data type NULL. Also, it is no longer allowed to convert a column to the data type NULL. This was possible before but caused data loss.
@changelog_1092_li
@changelog_1095_li
#When using computed columns or default values with a different data type than the column data type, a class cast exception could occur. Fixed.
#When using computed columns or default values with a different data type than the column data type, a class cast exception could occur. Fixed.
@changelog_1093_li
@changelog_1096_li
#Opening databases larger than 1 GB was sometimes very slow if a lot of data was deleted previously. Fixed.
#Opening databases larger than 1 GB was sometimes very slow if a lot of data was deleted previously. Fixed.
@changelog_1094_li
@changelog_1097_li
#RUNSCRIPT could throw a NullPointerException if the script name was an expression.
#RUNSCRIPT could throw a NullPointerException if the script name was an expression.
@changelog_1095_li
@changelog_1098_li
#Improved compatibility. New compatibility modes for Oracle and Derby. New compatibility flag uniqueIndexNullDistinct to only allow one row with 'NULL' in a unique index. This flag is enabled for Derby, Oracle, MSSQLServer, and HSQLDB.
#Improved compatibility. New compatibility modes for Oracle and Derby. New compatibility flag uniqueIndexNullDistinct to only allow one row with 'NULL' in a unique index. This flag is enabled for Derby, Oracle, MSSQLServer, and HSQLDB.
@changelog_1096_li
@changelog_1099_li
#Linked tables: To view the statements that are executed against the target table, set the trace level to 3.
#Linked tables: To view the statements that are executed against the target table, set the trace level to 3.
@changelog_1097_li
@changelog_1100_li
#RunScript tool: new options to show and check the results of queries.
#RunScript tool: new options to show and check the results of queries.
@changelog_1098_li
@changelog_1101_li
#Deadlocks are now detected. One transaction is rolled back automatically.
#Deadlocks are now detected. One transaction is rolled back automatically.
@changelog_1099_li
@changelog_1102_li
#The Lucene fulltext index was always re-created when opening a database with fulltext index enabled.
#The Lucene fulltext index was always re-created when opening a database with fulltext index enabled.
@changelog_1100_li
@changelog_1103_li
#Support for overloaded Java methods. A user defined function can now be bound to multiple Java methods, if the Java methods have the same name but a different number of parameters. Thanks to Gary Tong for providing a patch!
#Support for overloaded Java methods. A user defined function can now be bound to multiple Java methods, if the Java methods have the same name but a different number of parameters. Thanks to Gary Tong for providing a patch!
@changelog_1101_h2
@changelog_1104_h2
#Version 1.0.73 (2008-05-31)
#Version 1.0.73 (2008-05-31)
@changelog_1102_li
@changelog_1105_li
#ParameterMetaData now returns the right data type for most conditions, as in WHERE ID=?.
#ParameterMetaData now returns the right data type for most conditions, as in WHERE ID=?.
@changelog_1103_li
@changelog_1106_li
#The table SYSTEM_RANGE now supports expressions and parameters.
#The table SYSTEM_RANGE now supports expressions and parameters.
@changelog_1104_li
@changelog_1107_li
#New column INFORMATION_SCHEMA.CONSTRAINTS.UNIQUE_INDEX_NAME that contains the name of the unique index used to enforce this constraint, if there is such an index.
#New column INFORMATION_SCHEMA.CONSTRAINTS.UNIQUE_INDEX_NAME that contains the name of the unique index used to enforce this constraint, if there is such an index.
@changelog_1105_li
@changelog_1108_li
#SET QUERY_TIMEOUT and Statement.setQueryTimeout no longer commits a transaction. The same applies to SET @VARIABLE, SET LOCK_TIMEOUT, SET TRACE_LEVEL_*, SET THROTTLE, and SET PATH.
#SET QUERY_TIMEOUT and Statement.setQueryTimeout no longer commits a transaction. The same applies to SET @VARIABLE, SET LOCK_TIMEOUT, SET TRACE_LEVEL_*, SET THROTTLE, and SET PATH.
@changelog_1106_li
@changelog_1109_li
#The SCRIPT command does now emit IF NOT EXISTS for CREATE ROLE.
#The SCRIPT command does now emit IF NOT EXISTS for CREATE ROLE.
@changelog_1107_li
@changelog_1110_li
#MySQL compatibility: auto_increment column are no longer automatically converted to primary key columns.
#MySQL compatibility: auto_increment column are no longer automatically converted to primary key columns.
@changelog_1108_li
@changelog_1111_li
#PostgreSQL compatibility: support for BOOL_OR and BOOL_AND aggregate functions.
#PostgreSQL compatibility: support for BOOL_OR and BOOL_AND aggregate functions.
@changelog_1109_li
@changelog_1112_li
#Negative scale values for DECIMAL or NUMBER columns are now supported in regular tables and in linked tables.
#Negative scale values for DECIMAL or NUMBER columns are now supported in regular tables and in linked tables.
@changelog_1110_li
@changelog_1113_li
#A role or right can now be granted or revoked multiple times without getting an exception.
#A role or right can now be granted or revoked multiple times without getting an exception.
@changelog_1111_li
@changelog_1114_li
#Infinite numbers in SQL scripts are listed as POWER(0, -1)), negative infinite as (-POWER(0, -1)), and NaN (not a number) as SQRT(-1).
#Infinite numbers in SQL scripts are listed as POWER(0, -1)), negative infinite as (-POWER(0, -1)), and NaN (not a number) as SQRT(-1).
@changelog_1112_li
@changelog_1115_li
#The special double and float values 'NaN' (not a number) did not work correctly when sorting or comparing.
#The special double and float values 'NaN' (not a number) did not work correctly when sorting or comparing.
@changelog_1113_li
@changelog_1116_li
#The fulltext search did not support CLOB data types.
#The fulltext search did not support CLOB data types.
@changelog_1114_li
@changelog_1117_li
#If the drive with the database files was disconnected or unmounted while writing, sometimes a stack overflow exception was thrown instead of a IO exception.
#If the drive with the database files was disconnected or unmounted while writing, sometimes a stack overflow exception was thrown instead of a IO exception.
@changelog_1115_li
@changelog_1118_li
#The H2 Console could not be shut down from within the tool if the browser supports keepAlive (most browsers do).
#The H2 Console could not be shut down from within the tool if the browser supports keepAlive (most browsers do).
@changelog_1116_li
@changelog_1119_li
#If the password was passed as a char array, it was kept in an internal buffer longer than required. Theoretically the password could have been stolen if the main memory was swapped to disk before the garbage collection was run.
#If the password was passed as a char array, it was kept in an internal buffer longer than required. Theoretically the password could have been stolen if the main memory was swapped to disk before the garbage collection was run.
@changelog_1117_h2
@changelog_1120_h2
#Version 1.0.72 (2008-05-10)
#Version 1.0.72 (2008-05-10)
@changelog_1118_li
@changelog_1121_li
#Some databases could not be opened when appending ;RECOVER=1 to the database URL.
#Some databases could not be opened when appending ;RECOVER=1 to the database URL.
@changelog_1119_li
@changelog_1122_li
#The Japanese translation of the error messages and the H2 Console has been completed by Masahiro Ikemoto (Arizona Design Inc.)
#The Japanese translation of the error messages and the H2 Console has been completed by Masahiro Ikemoto (Arizona Design Inc.)
@changelog_1120_li
@changelog_1123_li
#Updates made to updatable rows are now visible within the same result set. DatabaseMetaData.ownUpdatesAreVisible now returns true.
#Updates made to updatable rows are now visible within the same result set. DatabaseMetaData.ownUpdatesAreVisible now returns true.
@changelog_1121_li
@changelog_1124_li
#ParameterMetaData now returns the correct data for INSERT and UPDATE statements.
#ParameterMetaData now returns the correct data for INSERT and UPDATE statements.
@changelog_1122_li
@changelog_1125_li
#H2 Shell: DESCRIBE now supports an schema name.
#H2 Shell: DESCRIBE now supports an schema name.
@changelog_1123_li
@changelog_1126_li
#A subset of the PostgreSQL 'dollar quoting' feature is now supported.
#A subset of the PostgreSQL 'dollar quoting' feature is now supported.
@changelog_1124_li
@changelog_1127_li
#SLF4J is now supported by using adding TRACE_LEVEL_FILE=4 to the database URL.
#SLF4J is now supported by using adding TRACE_LEVEL_FILE=4 to the database URL.
@changelog_1125_li
@changelog_1128_li
#The recovery tool did not work if the table name contained spaces or if there was a comment on the table.
#The recovery tool did not work if the table name contained spaces or if there was a comment on the table.
@changelog_1126_li
@changelog_1129_li
#Triggers are no longer executed when changing the table structure (ALTER TABLE).
#Triggers are no longer executed when changing the table structure (ALTER TABLE).
@changelog_1127_li
@changelog_1130_li
#When setting BLOB or CLOB values larger than 65 KB using a remote connection, temporary files were kept on the client longer than required (until the connection was closed or the object is garbage collected). Now they are removed as soon as the PreparedStatement is closed, or when the value is overwritten.
#When setting BLOB or CLOB values larger than 65 KB using a remote connection, temporary files were kept on the client longer than required (until the connection was closed or the object is garbage collected). Now they are removed as soon as the PreparedStatement is closed, or when the value is overwritten.
@changelog_1128_li
@changelog_1131_li
#Statements can now be canceled remotely (when using remote connections).
#Statements can now be canceled remotely (when using remote connections).
@changelog_1129_li
@changelog_1132_li
#The Shell tool now uses java.io.Console to read the password when using JDK 1.6
#The Shell tool now uses java.io.Console to read the password when using JDK 1.6
@changelog_1130_li
@changelog_1133_li
#When using read-only databases and setting LOG=2, an exception was written to the trace file when closing the database. Fixed.
#When using read-only databases and setting LOG=2, an exception was written to the trace file when closing the database. Fixed.
@changelog_1131_h2
@changelog_1134_h2
#Version 1.0.71 (2008-04-25)
#Version 1.0.71 (2008-04-25)
@changelog_1132_li
@changelog_1135_li
#H2 is now dual-licensed under the Eclipse Public License (EPL) and the old 'H2 License' (which is basically MPL).
#H2 is now dual-licensed under the Eclipse Public License (EPL) and the old 'H2 License' (which is basically MPL).
@changelog_1133_li
@changelog_1136_li
#Sometimes an exception 'File ID mismatch' or 'try to add a record twice' occurred after large records (8 KB or larger) are updated or deleted. See also http://code.google.com/p/h2database/issues/detail?id=22
#Sometimes an exception 'File ID mismatch' or 'try to add a record twice' occurred after large records (8 KB or larger) are updated or deleted. See also http://code.google.com/p/h2database/issues/detail?id=22
@changelog_1134_li
@changelog_1137_li
#H2 Console: The tools can now be translated (it didn't work in the last release).
#H2 Console: The tools can now be translated (it didn't work in the last release).
@changelog_1135_li
@changelog_1138_li
#New traditional Chinese translation. Thanks a lot to Derek Chao!
#New traditional Chinese translation. Thanks a lot to Derek Chao!
@changelog_1136_li
@changelog_1139_li
#Indexes were not used when enabling the optimization for IN(SELECT...) (system property h2.optimizeInJoin).
#Indexes were not used when enabling the optimization for IN(SELECT...) (system property h2.optimizeInJoin).
@changelog_1137_h2
@changelog_1140_h2
#Version 1.0.70 (2008-04-20)
#Version 1.0.70 (2008-04-20)
@changelog_1138_li
@changelog_1141_li
#The plan is to dual-license H2. The additional license is EPL (Eclipse Public License). The current license (MPL, Mozilla Public License) will stay. Current users are not affected because they can keep MPL. EPL is very similar to MPL, the only bigger difference is related to patents (EPL is a bit more business friendly in this regard). See also http://opensource.org/licenses/eclipse-1.0.php, http://www.eclipse.org/legal/eplfaq.php (FAQ), http://blogs.zdnet.com/Burnette/?p=131
#The plan is to dual-license H2. The additional license is EPL (Eclipse Public License). The current license (MPL, Mozilla Public License) will stay. Current users are not affected because they can keep MPL. EPL is very similar to MPL, the only bigger difference is related to patents (EPL is a bit more business friendly in this regard). See also http://opensource.org/licenses/eclipse-1.0.php, http://www.eclipse.org/legal/eplfaq.php (FAQ), http://blogs.zdnet.com/Burnette/?p=131
@changelog_1139_li
@changelog_1142_li
#Multi version concurrency (MVCC): when a row was updated, and the updated column was not indexed, this update was visible sometimes for other sessions even if it was not committed.
#Multi version concurrency (MVCC): when a row was updated, and the updated column was not indexed, this update was visible sometimes for other sessions even if it was not committed.
@changelog_1140_li
@changelog_1143_li
#Calling SHUTDOWN on one connection and starting a query on another connection concurrently could result in a Java level deadlock.
#Calling SHUTDOWN on one connection and starting a query on another connection concurrently could result in a Java level deadlock.
@changelog_1141_li
@changelog_1144_li
#New system property h2.enableAnonymousSSL (default: true) to enable anonymous SSL connections.
#New system property h2.enableAnonymousSSL (default: true) to enable anonymous SSL connections.
@changelog_1142_li
@changelog_1145_li
#The precision if SUBSTR is now calculated if possible.
#The precision if SUBSTR is now calculated if possible.
@changelog_1143_li
@changelog_1146_li
#The autocomplete in the H2 Console has been improved a bit.
#The autocomplete in the H2 Console has been improved a bit.
@changelog_1144_li
@changelog_1147_li
#The tools in the H2 Console are now translatable.
#The tools in the H2 Console are now translatable.
@changelog_1145_li
@changelog_1148_li
#The servlet and lucene jar files are now automatically downloaded when building.
#The servlet and lucene jar files are now automatically downloaded when building.
@changelog_1146_li
@changelog_1149_li
#The code switch tool has been replaced by a simpler tool called SwitchSource that just uses find and replace.
#The code switch tool has been replaced by a simpler tool called SwitchSource that just uses find and replace.
@changelog_1147_li
@changelog_1150_li
#Started to write a Ant replacement ('JAnt') that uses pure Java build definitions. Advantages: ability to debug the build, extensible, flexible, no XML, a bit faster. Future plan: support creating custom h2 distributions (for embedded use). Maybe create a new project 'Jant' or 'Javen' if other people are interested.
#Started to write a Ant replacement ('JAnt') that uses pure Java build definitions. Advantages: ability to debug the build, extensible, flexible, no XML, a bit faster. Future plan: support creating custom h2 distributions (for embedded use). Maybe create a new project 'Jant' or 'Javen' if other people are interested.
@changelog_1148_li
@changelog_1151_li
#The jar file is now about 10% smaller because the variable debugging info is no longer included. The source file and line number debugging info is still included. If required, the jar file size of the full version can be further reduced to about 720 KB using 'build jarSmall' or even more by removing unneeded components.
#The jar file is now about 10% smaller because the variable debugging info is no longer included. The source file and line number debugging info is still included. If required, the jar file size of the full version can be further reduced to about 720 KB using 'build jarSmall' or even more by removing unneeded components.
@changelog_1149_li
@changelog_1152_li
#Added shell scripts run.sh and build.sh. chmod +x is required, but otherwise it should work. Feedback or improvements are welcome!
#Added shell scripts run.sh and build.sh. chmod +x is required, but otherwise it should work. Feedback or improvements are welcome!
@changelog_1150_li
@changelog_1153_li
#Databases in zip files: large queries are now supported. Temp files are created in the temp directory if required. The documentation how to create the zip file has been corrected.
#Databases in zip files: large queries are now supported. Temp files are created in the temp directory if required. The documentation how to create the zip file has been corrected.
#The Japanese translation of the error messages and the H2 Console has been improved. Thanks a lot to Masahiro IKEMOTO.
#The Japanese translation of the error messages and the H2 Console has been improved. Thanks a lot to Masahiro IKEMOTO.
@changelog_1153_li
@changelog_1156_li
#Optimization for MIN() and MAX() when using MVCC.
#Optimization for MIN() and MAX() when using MVCC.
@changelog_1154_li
@changelog_1157_li
#To protect against remote brute force password attacks, the delay after each unsuccessful login now gets double as long. New system properties h2.delayWrongPasswordMin and h2.delayWrongPasswordMax.
#To protect against remote brute force password attacks, the delay after each unsuccessful login now gets double as long. New system properties h2.delayWrongPasswordMin and h2.delayWrongPasswordMax.
@changelog_1155_li
@changelog_1158_li
#After setting the query timeout and then resetting it, the next query would still timeout. Fixed.
#After setting the query timeout and then resetting it, the next query would still timeout. Fixed.
@changelog_1156_li
@changelog_1159_li
#Adding a IDENTITY column to a table with data threw a lock timeout.
#Adding a IDENTITY column to a table with data threw a lock timeout.
@changelog_1157_li
@changelog_1160_li
#OutOfMemoryError could occur when using EXISTS or IN(SELECT ..).
#OutOfMemoryError could occur when using EXISTS or IN(SELECT ..).
@changelog_1158_li
@changelog_1161_li
#The built-in connection pool is not called JdbcConnectionPool. The API and documentation has been changed.
#The built-in connection pool is not called JdbcConnectionPool. The API and documentation has been changed.
@changelog_1159_li
@changelog_1162_li
#The ConvertTraceFile tool now generates SQL statement statistics at the end of the SQL script file (similar to the profiling data generated when using java -Xrunhprof).
#The ConvertTraceFile tool now generates SQL statement statistics at the end of the SQL script file (similar to the profiling data generated when using java -Xrunhprof).
@changelog_1160_li
@changelog_1163_li
#Nested joins are now supported (A JOIN B JOIN C ON .. ON ..)
#Nested joins are now supported (A JOIN B JOIN C ON .. ON ..)
@changelog_1161_h2
@changelog_1164_h2
#Version 1.0.69 (2008-03-29)
#Version 1.0.69 (2008-03-29)
@changelog_1162_li
@changelog_1165_li
#Most command line tools can now be called from within the H2 Console.
#Most command line tools can now be called from within the H2 Console.
@changelog_1163_li
@changelog_1166_li
#A new Shell tools is now included (org.h2.tools.Shell) to query a database from the command line.
#A new Shell tools is now included (org.h2.tools.Shell) to query a database from the command line.
@changelog_1164_li
@changelog_1167_li
#The command line options in the tools have changed: instead of '-log true' now '-trace' is used. Also, '-ifExists', '-tcpSSL' and '-tcpAllowOthers' and so on have changed: now the 'true' is no longer needed. The old behavior is still supported.
#The command line options in the tools have changed: instead of '-log true' now '-trace' is used. Also, '-ifExists', '-tcpSSL' and '-tcpAllowOthers' and so on have changed: now the 'true' is no longer needed. The old behavior is still supported.
@changelog_1165_li
@changelog_1168_li
#New system property h2.sortNullsHigh to invert the default sorting behavior for NULL. The default didn't change.
#New system property h2.sortNullsHigh to invert the default sorting behavior for NULL. The default didn't change.
@changelog_1166_li
@changelog_1169_li
#Performance was very slow when using LOG=2 and deleting or updating all rows of a table in a loop. Fixed.
#Performance was very slow when using LOG=2 and deleting or updating all rows of a table in a loop. Fixed.
@changelog_1167_li
@changelog_1170_li
#ALTER TABLE or CREATE TABLE now support parameters for the password field.
#ALTER TABLE or CREATE TABLE now support parameters for the password field.
@changelog_1168_li
@changelog_1171_li
#The linear hash has been removed. It was always slower than the b-tree index, and there were some bugs that would be hard to fix.
#The linear hash has been removed. It was always slower than the b-tree index, and there were some bugs that would be hard to fix.
@changelog_1169_li
@changelog_1172_li
#TRACE_LEVEL_ settings are no longer persistent. This was a problem when database initialization code caused a lot of trace output.
#TRACE_LEVEL_ settings are no longer persistent. This was a problem when database initialization code caused a lot of trace output.
@changelog_1170_li
@changelog_1173_li
#Fulltext search (native implementation): The words table is no longer an in-memory table because this caused memory problems in some cases.
#Fulltext search (native implementation): The words table is no longer an in-memory table because this caused memory problems in some cases.
@changelog_1171_li
@changelog_1174_li
#It was possible to create a role with the name as an existing user (but not vice versa). This is not allowed any more.
#It was possible to create a role with the name as an existing user (but not vice versa). This is not allowed any more.
@changelog_1172_li
@changelog_1175_li
#The recovery tool didn't work correctly for tables without rows.
#The recovery tool didn't work correctly for tables without rows.
@changelog_1173_li
@changelog_1176_li
#For years below 1, the YEAR method didn't return the correct value, and the conversion from date and timestamp to varchar was incorrect.
#For years below 1, the YEAR method didn't return the correct value, and the conversion from date and timestamp to varchar was incorrect.
@changelog_1174_li
@changelog_1177_li
#CSVWRITE caused a NullPointerException when not specifying a nullString.
#CSVWRITE caused a NullPointerException when not specifying a nullString.
@changelog_1175_li
@changelog_1178_li
#When a log file switch occurred just after a truncate table or drop table statement, the database could not be started normally (RECOVER=1 was required). Fixed.
#When a log file switch occurred just after a truncate table or drop table statement, the database could not be started normally (RECOVER=1 was required). Fixed.
@changelog_1176_li
@changelog_1179_li
#When a log file switch occurred in the middle of a sequence flush (sequences are only flushed every 32 values by default), the sequence value was lost. Fixed.
#When a log file switch occurred in the middle of a sequence flush (sequences are only flushed every 32 values by default), the sequence value was lost. Fixed.
@changelog_1177_li
@changelog_1180_li
#Altering a sequence didn't unlock the system table when autocommit switched off.
#Altering a sequence didn't unlock the system table when autocommit switched off.
@changelog_1178_h2
@changelog_1181_h2
#Version 1.0.68 (2008-03-18)
#Version 1.0.68 (2008-03-18)
@changelog_1179_li
@changelog_1182_li
#Very large SELECT DISTINCT and UNION EXCEPT queries are now supported, however this feature is disabled by default. To enable it, set the system property h2.maxMemoryRowsDistinct to a lower value, for example 10000.
#Very large SELECT DISTINCT and UNION EXCEPT queries are now supported, however this feature is disabled by default. To enable it, set the system property h2.maxMemoryRowsDistinct to a lower value, for example 10000.
@changelog_1180_li
@changelog_1183_li
#A error is now thrown when trying to call a method inside a trigger that implicitly commits the current transaction, if an object is locked.
#A error is now thrown when trying to call a method inside a trigger that implicitly commits the current transaction, if an object is locked.
@changelog_1181_li
@changelog_1184_li
#Unused LOB files were deleted much too late. Now they are deleted if no longer referenced in memory.
#Unused LOB files were deleted much too late. Now they are deleted if no longer referenced in memory.
@changelog_1182_li
@changelog_1185_li
#ALTER SEQUENCE and ALTER TABLE ALTER COLUMN RESTART can now be used inside a transaction.
#ALTER SEQUENCE and ALTER TABLE ALTER COLUMN RESTART can now be used inside a transaction.
@changelog_1183_li
@changelog_1186_li
#New system property h2.aliasColumnName. When enabled, aliased columns (as in SELECT ID AS I FROM TEST) return the real table and column name in ResultSetMetaData.getTableName() and getColumnName(). This is disabled by default for compatibility with other databases (HSQLDB, Apache Derby, PostgreSQL, some version of MySQL). In version 1.1 this setting will be enabled.
#New system property h2.aliasColumnName. When enabled, aliased columns (as in SELECT ID AS I FROM TEST) return the real table and column name in ResultSetMetaData.getTableName() and getColumnName(). This is disabled by default for compatibility with other databases (HSQLDB, Apache Derby, PostgreSQL, some version of MySQL). In version 1.1 this setting will be enabled.
@changelog_1184_li
@changelog_1187_li
#When using encrypted databases, and using the wrong file password, the log file was renamed if the database was not already open. Fixed.
#When using encrypted databases, and using the wrong file password, the log file was renamed if the database was not already open. Fixed.
@changelog_1185_li
@changelog_1188_li
#Improved performance when using lob files in directories (however this is still disabled by default)
#Improved performance when using lob files in directories (however this is still disabled by default)
@changelog_1186_li
@changelog_1189_li
#H2 Console: autocomplete didn't work with very large scripts. Fixed.
#H2 Console: autocomplete didn't work with very large scripts. Fixed.
@changelog_1187_li
@changelog_1190_li
#Fulltext search: new method SEARCH_DATA that returns the column names and primary keys as arrays.
#Fulltext search: new method SEARCH_DATA that returns the column names and primary keys as arrays.
@changelog_1188_li
@changelog_1191_li
#New experimental optimization for GROUP BY queries if an index can be used that matches the group by columns. To enable this optimization, set the system property h2.optimizeGroupSorted to true.
#New experimental optimization for GROUP BY queries if an index can be used that matches the group by columns. To enable this optimization, set the system property h2.optimizeGroupSorted to true.
@changelog_1189_li
@changelog_1192_li
#When using multi-version concurrency (MVCC=TRUE), duplicate rows could appear in the result set when running queries with uncommitted changes in the same session.
#When using multi-version concurrency (MVCC=TRUE), duplicate rows could appear in the result set when running queries with uncommitted changes in the same session.
@changelog_1190_li
@changelog_1193_li
#H2 Console: remote connections were very slow because getHostName/getRemoteHost was used. Fixed (now using getHostAddress/getRemoteAddr.
#H2 Console: remote connections were very slow because getHostName/getRemoteHost was used. Fixed (now using getHostAddress/getRemoteAddr.
@changelog_1191_li
@changelog_1194_li
#H2 Console: on Linux, Firefox, Konqueror, or Opera (in this order) are now started if available. This has been tested on Ubuntu.
#H2 Console: on Linux, Firefox, Konqueror, or Opera (in this order) are now started if available. This has been tested on Ubuntu.
@changelog_1192_li
@changelog_1195_li
#H2 Console: the start window works better with IKVM
#H2 Console: the start window works better with IKVM
@changelog_1193_li
@changelog_1196_li
#H2 Console: improved compatibility with Safari (Safari requires keep-alive)
#H2 Console: improved compatibility with Safari (Safari requires keep-alive)
@changelog_1194_li
@changelog_1197_li
#Random: the process didn't stop if generating the random seed using the standard way (SecureRandom.generateSeed) was very slow. Now using a daemon thread to avoid this problem.
#Random: the process didn't stop if generating the random seed using the standard way (SecureRandom.generateSeed) was very slow. Now using a daemon thread to avoid this problem.
@changelog_1195_li
@changelog_1198_li
#SELECT UNION with a different number of ORDER BY columns did throw an ArrayIndexOutOfBoundsException.
#SELECT UNION with a different number of ORDER BY columns did throw an ArrayIndexOutOfBoundsException.
@changelog_1196_li
@changelog_1199_li
#When using a view, the column precision was changed to the default scale for some data types.
#When using a view, the column precision was changed to the default scale for some data types.
@changelog_1197_li
@changelog_1200_li
#CSVWRITE now supports a 'null string' that is used for parsing and writing NULL.
#CSVWRITE now supports a 'null string' that is used for parsing and writing NULL.
@changelog_1198_li
@changelog_1201_li
#Some long running queries could not be canceled.
#Some long running queries could not be canceled.
@changelog_1199_li
@changelog_1202_li
#Queries with many outer join tables were very slow. Fixed.
#Queries with many outer join tables were very slow. Fixed.
@changelog_1200_li
@changelog_1203_li
#The performance of text comparison has been improved when using locale sensitive string comparison (SET COLLATOR). Now CollationKey is used with a LRU cache. The default cache size is 10000, and can be changed using the system property h2.collatorCacheSize. Use 0 to disable the cache.
#The performance of text comparison has been improved when using locale sensitive string comparison (SET COLLATOR). Now CollationKey is used with a LRU cache. The default cache size is 10000, and can be changed using the system property h2.collatorCacheSize. Use 0 to disable the cache.
@changelog_1201_li
@changelog_1204_li
#UPDATE SET column=DEFAULT is now supported.
#UPDATE SET column=DEFAULT is now supported.
@changelog_1202_h2
@changelog_1205_h2
#Version 1.0.67 (2008-02-22)
#Version 1.0.67 (2008-02-22)
@changelog_1203_li
@changelog_1206_li
#New function FILE_READ to read a file or from an URL. Both binary and text data is supported.
#New function FILE_READ to read a file or from an URL. Both binary and text data is supported.
@changelog_1204_li
@changelog_1207_li
#CREATE TABLE AS SELECT now supports specifying the column list and data types.
#CREATE TABLE AS SELECT now supports specifying the column list and data types.
@changelog_1205_li
@changelog_1208_li
#Connecting to a TCP server and at shutting it down at the same time could cause a Java level deadlock.
#Connecting to a TCP server and at shutting it down at the same time could cause a Java level deadlock.
@changelog_1206_li
@changelog_1209_li
#A user now has all rights on his own local temporary tables.
#A user now has all rights on his own local temporary tables.
@changelog_1207_li
@changelog_1210_li
#The CSV tool now supports a custom lineSeparator.
#The CSV tool now supports a custom lineSeparator.
@changelog_1208_li
@changelog_1211_li
#When using multiple connections, empty space was reused too early sometimes. This could corrupt the database when recovering.
#When using multiple connections, empty space was reused too early sometimes. This could corrupt the database when recovering.
@changelog_1209_li
@changelog_1212_li
#The H2 Console has been translated to Dutch. Thanks a lot to Remco Schoen!
#The H2 Console has been translated to Dutch. Thanks a lot to Remco Schoen!
@changelog_1210_li
@changelog_1213_li
#Databases can now be opened even if trigger classes are not in the classpath. The exception is thrown when trying to fire the trigger.
#Databases can now be opened even if trigger classes are not in the classpath. The exception is thrown when trying to fire the trigger.
@changelog_1211_li
@changelog_1214_li
#Opening databases with ACCESS_MODE_DATA=r is now supported. In this case the database is read-only, but the files don't not need to be read-only.
#Opening databases with ACCESS_MODE_DATA=r is now supported. In this case the database is read-only, but the files don't not need to be read-only.
@changelog_1212_li
@changelog_1215_li
#Security: The database now waits 200 ms before throwing an exception if the user name or password don't match, to slow down dictionary attacks.
#Security: The database now waits 200 ms before throwing an exception if the user name or password don't match, to slow down dictionary attacks.
@changelog_1213_li
@changelog_1216_li
#The value cache is now a soft reference cache. This should help save memory.
#The value cache is now a soft reference cache. This should help save memory.
@changelog_1214_li
@changelog_1217_li
#CREATE INDEX on a table with many rows could run out of memory. Fixed.
#CREATE INDEX on a table with many rows could run out of memory. Fixed.
@changelog_1215_li
@changelog_1218_li
#Large result sets are now a bit faster.
#Large result sets are now a bit faster.
@changelog_1216_li
@changelog_1219_li
#ALTER TABLE ALTER COLUMN RESTART and ALTER SEQUENCE now support parameters (any expressions).
#ALTER TABLE ALTER COLUMN RESTART and ALTER SEQUENCE now support parameters (any expressions).
@changelog_1217_li
@changelog_1220_li
#When setting the base directory on the command line, the user directory prefix ('~') was ignored.
#When setting the base directory on the command line, the user directory prefix ('~') was ignored.
@changelog_1218_li
@changelog_1221_li
#The DbStarter servlet didn't start the TCP listener even if configured.
#The DbStarter servlet didn't start the TCP listener even if configured.
@changelog_1219_li
@changelog_1222_li
#Statement.setQueryTimeout() is now supported.
#Statement.setQueryTimeout() is now supported.
@changelog_1220_li
@changelog_1223_li
#New session setting QUERY_TIMEOUT, and new system property h2.maxQueryTimeout.
#New session setting QUERY_TIMEOUT, and new system property h2.maxQueryTimeout.
@changelog_1221_li
@changelog_1224_li
#Changing the transaction log level (SET LOG) is now written to the trace file by default.
#Changing the transaction log level (SET LOG) is now written to the trace file by default.
@changelog_1222_li
@changelog_1225_li
#In a SQL script, primary key constraints are now ordered before foreign key constraints.
#In a SQL script, primary key constraints are now ordered before foreign key constraints.
@changelog_1223_li
@changelog_1226_li
#It was not possible to create a referential constraint to a table in a different schema in some situations.
#It was not possible to create a referential constraint to a table in a different schema in some situations.
@changelog_1224_li
@changelog_1227_li
#The H2 Console was slow when the database contains many tables. Now the column names are not shown in this case.
#The H2 Console was slow when the database contains many tables. Now the column names are not shown in this case.
@changelog_1225_h2
@changelog_1228_h2
#Version 1.0.66 (2008-02-02)
#Version 1.0.66 (2008-02-02)
@changelog_1226_li
@changelog_1229_li
#There is a new online error analyzer tool.
#There is a new online error analyzer tool.
@changelog_1227_li
@changelog_1230_li
#H2 Console: stack traces are now links to the source code in the source repository (H2 database only).
#H2 Console: stack traces are now links to the source code in the source repository (H2 database only).
@changelog_1228_li
@changelog_1231_li
#CHAR data type equals comparison was case insensitive instead of case sensitive.
#CHAR data type equals comparison was case insensitive instead of case sensitive.
@changelog_1229_li
@changelog_1232_li
#The exception 'Value too long for column' now includes the data.
#The exception 'Value too long for column' now includes the data.
@changelog_1230_li
@changelog_1233_li
#The table name was missing in the documentation of CREATE INDEX.
#The table name was missing in the documentation of CREATE INDEX.
@changelog_1231_li
@changelog_1234_li
#Better support for IKVM (www.ikvm.net): the H2 Console now opens a browser window.
#Better support for IKVM (www.ikvm.net): the H2 Console now opens a browser window.
@changelog_1232_li
@changelog_1235_li
#The cache size was not correctly calculated for tables with large objects (specially if compression is used). This could lead to out-of-memory exceptions.
#The cache size was not correctly calculated for tables with large objects (specially if compression is used). This could lead to out-of-memory exceptions.
@changelog_1233_li
@changelog_1236_li
#The exception "Hexadecimal string contains non-hex character" was not always thrown when it should have been. Fixed.
#The exception "Hexadecimal string contains non-hex character" was not always thrown when it should have been. Fixed.
@changelog_1234_li
@changelog_1237_li
#The H2 Console now provides a link to the documentation when an error occurs (H2 databases only so far).
#The H2 Console now provides a link to the documentation when an error occurs (H2 databases only so far).
@changelog_1235_li
@changelog_1238_li
#The acting as PostgreSQL server, when a base directory was set, and the H2 Console was started as well, the base directory was applied twice.
#The acting as PostgreSQL server, when a base directory was set, and the H2 Console was started as well, the base directory was applied twice.
@changelog_1236_li
@changelog_1239_li
#Calling EXTRACT(HOUR FROM ...) or EXTRACT(HH FROM ...) returned the wrong values (0 to 11 instead of 0 to 23). All other tested databases return values from 0 to 23. Please check if your application relies on the old behavior before upgrading.
#Calling EXTRACT(HOUR FROM ...) or EXTRACT(HH FROM ...) returned the wrong values (0 to 11 instead of 0 to 23). All other tested databases return values from 0 to 23. Please check if your application relies on the old behavior before upgrading.
@changelog_1237_li
@changelog_1240_li
#For compatibility with other databases the column default (COLUMN_DEF) for columns without default is now null (it was an empty string).
#For compatibility with other databases the column default (COLUMN_DEF) for columns without default is now null (it was an empty string).
@changelog_1238_li
@changelog_1241_li
#Statements that contain very large subqueries (where the subquery result does not fit in memory) are now faster.
#Statements that contain very large subqueries (where the subquery result does not fit in memory) are now faster.
@changelog_1239_li
@changelog_1242_li
#Variables: large objects (CLOB and BLOB) that don't fit in memory did not work correctly when used as variables.
#Variables: large objects (CLOB and BLOB) that don't fit in memory did not work correctly when used as variables.
@changelog_1240_li
@changelog_1243_li
#Fulltext search is now supported in named in-memory databases.
#Fulltext search is now supported in named in-memory databases.
@changelog_1241_li
@changelog_1244_li
#H2 Console: multiple consecutive spaces in the setting name did not work. Fixed.
#H2 Console: multiple consecutive spaces in the setting name did not work. Fixed.
@changelog_1242_h2
@changelog_1245_h2
#Version 1.0.65 (2008-01-18)
#Version 1.0.65 (2008-01-18)
@changelog_1243_li
@changelog_1246_li
#The build (ant) now automatically switches the source code to the correct version (JDK 1.4/1.5 or 1.6).
#The build (ant) now automatically switches the source code to the correct version (JDK 1.4/1.5 or 1.6).
@changelog_1244_li
@changelog_1247_li
#A recovery bug has been fixed. With older versions, it was necessary to add ;RECOVER=1 to the database URL in cases where it should not have been required.
#A recovery bug has been fixed. With older versions, it was necessary to add ;RECOVER=1 to the database URL in cases where it should not have been required.
@changelog_1245_li
@changelog_1248_li
#The performance for DROP and DROP ALL OBJECTS has been improved.
#The performance for DROP and DROP ALL OBJECTS has been improved.
@changelog_1246_li
@changelog_1249_li
#The ChangePassword API has been improved.
#The ChangePassword API has been improved.
@changelog_1247_li
@changelog_1250_li
#User defined variables are now supported. Examples: SET @VAR=10;CALL @VAR. This can be used for running totals as in: select x, set(@t, ifnull(@t, 0) + x) from system_range(1, 10)
#User defined variables are now supported. Examples: SET @VAR=10;CALL @VAR. This can be used for running totals as in: select x, set(@t, ifnull(@t, 0) + x) from system_range(1, 10)
@changelog_1248_li
@changelog_1251_li
#The Ukrainian translation has been improved.
#The Ukrainian translation has been improved.
@changelog_1249_li
@changelog_1252_li
#CALL statements can now be used in batch updates and called using Statement.executeUpdate.
#CALL statements can now be used in batch updates and called using Statement.executeUpdate.
@changelog_1250_li
@changelog_1253_li
#New read-only setting CREATE_BUILD (the build number of the database engine that created the database).
#New read-only setting CREATE_BUILD (the build number of the database engine that created the database).
@changelog_1251_li
@changelog_1254_li
#The optimizer did not use multi column indexes for range queries in some cases. Fixed.
#The optimizer did not use multi column indexes for range queries in some cases. Fixed.
@changelog_1252_li
@changelog_1255_li
#The H2 Console now calls DataSource.getConnection() instead of DataSource.getConnection(user, password) when user name and password are not specified.
#The H2 Console now calls DataSource.getConnection() instead of DataSource.getConnection(user, password) when user name and password are not specified.
@changelog_1253_li
@changelog_1256_li
#The bind IP address can now be set when using multi-homed host (if multiple network adapters are available) using the system property h2.bindAddress.
#The bind IP address can now be set when using multi-homed host (if multiple network adapters are available) using the system property h2.bindAddress.
@changelog_1254_li
@changelog_1257_li
#Batch update: Calling BatchUpdateException.printStackTrace() could result in out of memory. Fixed.
#Batch update: Calling BatchUpdateException.printStackTrace() could result in out of memory. Fixed.
@changelog_1255_li
@changelog_1258_li
#Indexes of unique or foreign constraints where not dropped when the constraint was dropped after altering the table (for example dropping a column). Fixed.
#Indexes of unique or foreign constraints where not dropped when the constraint was dropped after altering the table (for example dropping a column). Fixed.
@changelog_1256_li
@changelog_1259_li
#The performance for large result sets in the server mode has been improved.
#The performance for large result sets in the server mode has been improved.
@changelog_1257_li
@changelog_1260_li
#The setting h2.serverSmallResultSetSize has been renamed to h2.serverResultSetFetchSize.
#The setting h2.serverSmallResultSetSize has been renamed to h2.serverResultSetFetchSize.
@changelog_1258_li
@changelog_1261_li
#The SCRIPT command now uses multi-row insert statements to save space except if the option SIMPLE is used.
#The SCRIPT command now uses multi-row insert statements to save space except if the option SIMPLE is used.
@changelog_1259_li
@changelog_1262_li
#The SCRIPT command did not split up CLOB data correctly. Fixed.
#The SCRIPT command did not split up CLOB data correctly. Fixed.
@changelog_1260_li
@changelog_1263_li
#Optimization for single column distinct queries with an index: select distinct name from test. Can be disabled by setting the system property h2.optimizeDistinct to false.
#Optimization for single column distinct queries with an index: select distinct name from test. Can be disabled by setting the system property h2.optimizeDistinct to false.
@changelog_1261_li
@changelog_1264_li
#DROP ALL OBJECTS did not drop user defined aggregate functions and domains.
#DROP ALL OBJECTS did not drop user defined aggregate functions and domains.
@changelog_1262_li
@changelog_1265_li
#PostgreSQL compatibility: COUNT(T.*) is now supported.
#PostgreSQL compatibility: COUNT(T.*) is now supported.
@changelog_1263_li
@changelog_1266_li
#LIKE comparisons are now faster.
#LIKE comparisons are now faster.
@changelog_1264_li
@changelog_1267_li
#Encrypted databases are now faster.
#Encrypted databases are now faster.
@changelog_1265_h2
@changelog_1268_h2
#Version 1.0.64 (2007-12-27)
#Version 1.0.64 (2007-12-27)
@changelog_1266_li
@changelog_1269_li
#3-way union queries with prepared statement or views could return the wrong results. Fixed.
#3-way union queries with prepared statement or views could return the wrong results. Fixed.
@changelog_1267_li
@changelog_1270_li
#The PostgreSQL ODBC driver did not work in the last release due to a parser regression. Fixed.
#The PostgreSQL ODBC driver did not work in the last release due to a parser regression. Fixed.
@changelog_1268_li
@changelog_1271_li
#CSV tool: some escape/separator character combinations did not work. Fixed.
#CSV tool: some escape/separator character combinations did not work. Fixed.
@changelog_1269_li
@changelog_1272_li
#CSV tool: the character # could not be used as a separator when reading.
#CSV tool: the character # could not be used as a separator when reading.
@changelog_1270_li
@changelog_1273_li
#Recovery: when the index file is corrupt, now the database deletes it and re-creates it automatically.
#Recovery: when the index file is corrupt, now the database deletes it and re-creates it automatically.
@changelog_1271_li
@changelog_1274_li
#The MVCC mode did not work well with in-memory databases. Fixed.
#The MVCC mode did not work well with in-memory databases. Fixed.
@changelog_1272_li
@changelog_1275_li
#The FTP server now supports a event listener. Thanks Fulvio Biondi for the help!
#The FTP server now supports a event listener. Thanks Fulvio Biondi for the help!
@changelog_1273_li
@changelog_1276_li
#New system function CANCEL_SESSION to cancel the currently executing statement of another session.
#New system function CANCEL_SESSION to cancel the currently executing statement of another session.
@changelog_1274_li
@changelog_1277_li
#The database now supports an exclusive mode. In exclusive mode, new connections are rejected.
#The database now supports an exclusive mode. In exclusive mode, new connections are rejected.
@changelog_1275_li
@changelog_1278_li
#H2 Console: when editing result sets, columns can now be set to null. The text 'null' must be escaped using '=null'.
#H2 Console: when editing result sets, columns can now be set to null. The text 'null' must be escaped using '=null'.
@changelog_1276_li
@changelog_1279_li
#New built-in functions RPAD and LPAD.
#New built-in functions RPAD and LPAD.
@changelog_1277_li
@changelog_1280_li
#New meta data table INFORMATION_SCHEMA.SESSIONS and LOCKS to get information about active connections and locks. Admins will see all connections, non-admins only their own session.
#New meta data table INFORMATION_SCHEMA.SESSIONS and LOCKS to get information about active connections and locks. Admins will see all connections, non-admins only their own session.
@changelog_1278_li
@changelog_1281_li
#The Ukrainian translation was not working in the last release. Fixed.
#The Ukrainian translation was not working in the last release. Fixed.
@changelog_1279_li
@changelog_1282_li
#Creating many tables (many hundreds) was slow. Fixed.
#Creating many tables (many hundreds) was slow. Fixed.
@changelog_1280_li
@changelog_1283_li
#Opening a database with many indexes (thousands) was slow. Fixed.
#Opening a database with many indexes (thousands) was slow. Fixed.
@changelog_1281_li
@changelog_1284_li
#H2 Console / autocomplete: Ctrl+Space now shows the list in all modes.
#H2 Console / autocomplete: Ctrl+Space now shows the list in all modes.
@changelog_1282_li
@changelog_1285_li
#The method Trigger.init has been changed: the parameters 'before' and 'type', have been added to the init method.
#The method Trigger.init has been changed: the parameters 'before' and 'type', have been added to the init method.
@changelog_1283_li
@changelog_1286_li
#The performance has been improved for ResultSet methods with column name.
#The performance has been improved for ResultSet methods with column name.
@changelog_1284_li
@changelog_1287_li
#A stack trace was thrown if the system did not provide a quick secure random source and if there is no network or the network settings are not configured. Fixed.
#A stack trace was thrown if the system did not provide a quick secure random source and if there is no network or the network settings are not configured. Fixed.
@changelog_1285_li
@changelog_1288_li
#The H2 Console has been translated to Turkish. Thanks a lot to Ridvan Agar!
#The H2 Console has been translated to Turkish. Thanks a lot to Ridvan Agar!
@changelog_1286_li
@changelog_1289_li
#Improved debugging support: toString methods of most object now return a meaningful text.
#Improved debugging support: toString methods of most object now return a meaningful text.
@changelog_1287_li
@changelog_1290_li
#The classes DbStarter and WebServlet have been moved to src/main.
#The classes DbStarter and WebServlet have been moved to src/main.
@changelog_1288_li
@changelog_1291_li
#The column INFORMATION_SCHEMA.TRIGGERS.SQL now contains the CREATE TRIGGER statement.
#The column INFORMATION_SCHEMA.TRIGGERS.SQL now contains the CREATE TRIGGER statement.
@changelog_1289_li
@changelog_1292_li
#Loading classes and calling methods can be restricted using the new system property h2.allowedClasses.
#Loading classes and calling methods can be restricted using the new system property h2.allowedClasses.
@changelog_1290_li
@changelog_1293_li
#The database could not be used in Java applets due to security exceptions. Fixed.
#The database could not be used in Java applets due to security exceptions. Fixed.
@changelog_1291_h2
@changelog_1294_h2
#Version 1.0.63 (2007-12-02)
#Version 1.0.63 (2007-12-02)
@changelog_1292_li
@changelog_1295_li
#The SecurePassword example has been improved.
#The SecurePassword example has been improved.
@changelog_1293_li
@changelog_1296_li
#In time zones where the summer time saving limit is at midnight, some dates do not work in some virtual machines, for example 2007-10-14 in Chile, using the Sun JVM 1.6.0_03-b05. Fixed.
#In time zones where the summer time saving limit is at midnight, some dates do not work in some virtual machines, for example 2007-10-14 in Chile, using the Sun JVM 1.6.0_03-b05. Fixed.
@changelog_1294_li
@changelog_1297_li
#The native fulltext search was not working properly after re-connecting.
#The native fulltext search was not working properly after re-connecting.
@changelog_1295_li
@changelog_1298_li
#Improved FTP server: now the PORT command is supported.
#Improved FTP server: now the PORT command is supported.
@changelog_1296_li
@changelog_1299_li
#Temporary views (FROM(...)) with UNION didn't work if nested. Fixed.
#Temporary views (FROM(...)) with UNION didn't work if nested. Fixed.
@changelog_1297_li
@changelog_1300_li
#Performance optimization for IN(...) and IN(SELECT...), currently disabled by default. To enable, use java -Dh2.optimizeInJoin=true
#Performance optimization for IN(...) and IN(SELECT...), currently disabled by default. To enable, use java -Dh2.optimizeInJoin=true
@changelog_1298_li
@changelog_1301_li
#The H2 Console has been translated to Ukrainian by Igor Dobrovolskyi. Thanks a lot!
#The H2 Console has been translated to Ukrainian by Igor Dobrovolskyi. Thanks a lot!
@changelog_1299_li
@changelog_1302_li
#New function TABLE_DISTINCT.
#New function TABLE_DISTINCT.
@changelog_1300_li
@changelog_1303_li
#Using LIMIT with values close to Integer.MAX_VALUE didn't work correctly.
#Using LIMIT with values close to Integer.MAX_VALUE didn't work correctly.
@changelog_1301_li
@changelog_1304_li
#Certain setting in the Server didn't work (http://code.google.com/p/h2database/issues/detail?id=7).
#Certain setting in the Server didn't work (http://code.google.com/p/h2database/issues/detail?id=7).
@changelog_1302_h2
@changelog_1305_h2
#Version 1.0.62 (2007-11-25)
#Version 1.0.62 (2007-11-25)
@changelog_1303_li
@changelog_1306_li
#Large updates and deletes are now supported by buffering data to disk if required. The threshold is currently set to 100'000 bytes and can be changed using SET MAX_OPERATION_MEMORY or using by appending ;MAX_OPERATION_MEMORY=.. to the database URL. See also the docs.
#Large updates and deletes are now supported by buffering data to disk if required. The threshold is currently set to 100'000 bytes and can be changed using SET MAX_OPERATION_MEMORY or using by appending ;MAX_OPERATION_MEMORY=.. to the database URL. See also the docs.
@changelog_1304_li
@changelog_1307_li
#MVCC: now an exception is thrown when an application tries to change the MVCC setting while the database is already open.
#MVCC: now an exception is thrown when an application tries to change the MVCC setting while the database is already open.
@changelog_1305_li
@changelog_1308_li
#Referential integrity checks didn't lock the referenced table, and thus could read uncommitted rows of other connections. In that way the referential constraints could get violated (except when using MVCC).
#Referential integrity checks didn't lock the referenced table, and thus could read uncommitted rows of other connections. In that way the referential constraints could get violated (except when using MVCC).
@changelog_1306_li
@changelog_1309_li
#Renaming or dropping a user with a schema, or removing the admin property of that user made the schema inaccessible after re-opening the database. Fixed.
#Renaming or dropping a user with a schema, or removing the admin property of that user made the schema inaccessible after re-opening the database. Fixed.
@changelog_1307_li
@changelog_1310_li
#The H2 Console now also support the command line option -ifExists when started from the Server tool, but only when connecting to H2 databases.
#The H2 Console now also support the command line option -ifExists when started from the Server tool, but only when connecting to H2 databases.
@changelog_1308_li
@changelog_1311_li
#Duplicate column names were not detected when renaming columns. Fixed.
#Duplicate column names were not detected when renaming columns. Fixed.
@changelog_1309_li
@changelog_1312_li
#The console did not display multiple embedded spaces in text correctly. Fixed.
#The console did not display multiple embedded spaces in text correctly. Fixed.
@changelog_1310_li
@changelog_1313_li
#Google Android support: use 'ant codeswitchAndroid' to switch the source code to Android.
#Google Android support: use 'ant codeswitchAndroid' to switch the source code to Android.
@changelog_1311_li
@changelog_1314_li
#Values of type ARRAY are now sorted as in PostgreSQL.
#Values of type ARRAY are now sorted as in PostgreSQL.
@changelog_1312_li
@changelog_1315_li
#In the cluster mode, could not connect if only one server was running (last release only). Fixed.
#In the cluster mode, could not connect if only one server was running (last release only). Fixed.
@changelog_1313_li
@changelog_1316_li
#The performance of large CSV operations has been improved.
#The performance of large CSV operations has been improved.
@changelog_1314_li
@changelog_1317_li
#Now using custom toString() for most JDBC objects and commands.
#Now using custom toString() for most JDBC objects and commands.
@changelog_1315_li
@changelog_1318_li
#Nested temporary views (SELECT * FROM (SELECT ...)) with parameters didn't work in some cases. Fixed.
#Nested temporary views (SELECT * FROM (SELECT ...)) with parameters didn't work in some cases. Fixed.
@changelog_1316_li
@changelog_1319_li
#CSV: Using an empty field delimiter didn't work (a workaround was using char(0)). Fixed.
#CSV: Using an empty field delimiter didn't work (a workaround was using char(0)). Fixed.
@changelog_1317_li
@changelog_1320_li
#A patch for Apache DDL Utils is available at https://issues.apache.org/jira/browse/DDLUTILS-185
#A patch for Apache DDL Utils is available at https://issues.apache.org/jira/browse/DDLUTILS-185
@changelog_1318_li
@changelog_1321_li
#The default value for h2.emergencySpaceInitial is now 256 KB (to speed up creating encrypted databases)
#The default value for h2.emergencySpaceInitial is now 256 KB (to speed up creating encrypted databases)
@changelog_1319_li
@changelog_1322_li
#Eduardo Velasques has translated the H2 Console and the error messages to Brazilian Portuguese. Thanks a lot!
#Eduardo Velasques has translated the H2 Console and the error messages to Brazilian Portuguese. Thanks a lot!
@changelog_1320_li
@changelog_1323_li
#Creating a table from GROUP_CONCAT didn't work if the data was longer than 255 characters
#Creating a table from GROUP_CONCAT didn't work if the data was longer than 255 characters
@@ -368,327 +368,330 @@ build_1053_li=Provide a change log entry (src/docsrc/html/changelog.html).
...
@@ -368,327 +368,330 @@ build_1053_li=Provide a change log entry (src/docsrc/html/changelog.html).
build_1054_li=Submit patches as .patch files (compressed if big). To create a patch, use for example Eclipse Team/Create Patch.
build_1054_li=Submit patches as .patch files (compressed if big). To create a patch, use for example Eclipse Team/Create Patch.
changelog_1000_h1=Change Log
changelog_1000_h1=Change Log
changelog_1001_h2=Next Version (unreleased)
changelog_1001_h2=Next Version (unreleased)
changelog_1002_li=The H2 Console tool now works with the JDBC-ODBC bridge.
changelog_1002_li=-
changelog_1003_li=The H2 Console tool now supports command line options to start things separately.
changelog_1003_h2=Version 1.1.100 (2008-10-04)
changelog_1004_li=Large objects did not work for in-memory databases in server mode in Linux.
changelog_1004_li=In version 1.1, the following system properties are now enabled by default\:h2.lobFilesInDirectories, h2.optimizeGroupSorted, h2.optimizeInJoin, h2.shareLinkedConnections
changelog_1005_li=Connections from a local address other than 'localhost' were not allowed if remote connections were disabled. This was always a problem, but only got visible in the last release because the server no longer connects to 'localhost' if networked.
changelog_1005_li=The H2 Console tool now works with the JDBC-ODBC bridge.
changelog_1006_li=The h2console.war can now be built using the Java build.
changelog_1006_li=The H2 Console tool now supports command line options to start things separately.
changelog_1007_li=By default, databases are shared in the same process. For read-only databases this causes unnecessary synchronization, but safes memory. If you want that each connection opens its own database, append ;OPEN_NEW\=TRUE to the database URL.
changelog_1007_li=Large objects did not work for in-memory databases in server mode in Linux.
changelog_1008_li=New auto-reconnect feature will setting causes the JDBC driver to reconnect to the database if the connection is lost. To enable, append ;AUTO_RECONNECT\=TRUE to the database URL. This is specially helpful when using AUTO_SERVER.
changelog_1008_li=Connections from a local address other than 'localhost' were not allowed if remote connections were disabled. This was always a problem, but only got visible in the last release because the server no longer connects to 'localhost' if networked.
changelog_1009_li=CreateCluster\:the property 'serverlist' is now called 'serverList'.
changelog_1009_li=The h2console.war can now be built using the Java build.
changelog_1010_li=The ConvertTraceFile tool could not parse some files because the trace mechanism did not encode prepared statement parameters.
changelog_1010_li=By default, databases are shared in the same process. For read-only databases this causes unnecessary synchronization, but safes memory. If you want that each connection opens its own database, append ;OPEN_NEW\=TRUE to the database URL.
changelog_1011_li=Databases names can now be one character long (the minimum size used to be 2 characters).
changelog_1011_li=New auto-reconnect feature will cause the JDBC driver to reconnect to the database if the connection is lost. To enable, append ;AUTO_RECONNECT\=TRUE to the database URL. This is specially helpful when using AUTO_SERVER. AUTO_SERVER automatically uses auto-reconnect.
changelog_1012_h2=Version 1.0.79 (2008-09-26)
changelog_1012_li=CreateCluster\:the property 'serverlist' is now called 'serverList'.
changelog_1013_li=Linked tables that point to the same database can now share the connection within the same database. Access to the same connection is serialized. To enable this feature, set the system property h2.shareLinkedConnections to true.
changelog_1013_li=The ConvertTraceFile tool could not parse some files because the trace mechanism did not encode prepared statement parameters.
changelog_1014_li=Multiple processes can now access the same database without having to explicitly start the server. To do that, append ;AUTO_SERVER\=TRUE to the database URL. In this case, the server is started automatically if the connection is in embedded mode, and the server mode is used if a server is running. If the process that opened the first connection is closed, the other client need to reconnect (there is no automatic re-connect so far). Remote connections are allowed, but only to this database.
changelog_1014_li=Databases names can now be one character long (the minimum size used to be 2 characters).
changelog_1015_li=The server tool now displays the correct IP address if networked.
changelog_1015_h2=Version 1.0.79 (2008-09-26)
changelog_1016_li=Can now start a TCP server with port 0 (automatically select a port).
changelog_1016_li=Linked tables that point to the same database can now share the connection within the same database. Access to the same connection is serialized. To enable this feature, set the system property h2.shareLinkedConnections to true.
changelog_1017_li=Result sets with just a unique index can now be updated (previously a primary key was required).
changelog_1017_li=Multiple processes can now access the same database without having to explicitly start the server. To do that, append ;AUTO_SERVER\=TRUE to the database URL. In this case, the server is started automatically if the connection is in embedded mode, and the server mode is used if a server is running. If the process that opened the first connection is closed, the other client need to reconnect (there is no automatic re-connect so far). Remote connections are allowed, but only to this database.
changelog_1018_li=LINKED TABLE\:the schema name can now be set. When multiple tables exist in different schema, and the schema name is not set, an exception is thrown.
changelog_1018_li=The server tool now displays the correct IP address if networked.
changelog_1019_li=LINKED TABLE\:worked around a bug in Oracle with the CHAR data type.
changelog_1019_li=Can now start a TCP server with port 0 (automatically select a port).
changelog_1020_li=Faster hash code calculation for large binary arrays.
changelog_1020_li=Result sets with just a unique index can now be updated (previously a primary key was required).
changelog_1021_li=Faster storage re-use algorithm thanks to Greg Dhuse from cleversafe.com.
changelog_1021_li=LINKED TABLE\:the schema name can now be set. When multiple tables exist in different schema, and the schema name is not set, an exception is thrown.
changelog_1022_li=The database supports the SHOW command for better MySQL and PostgreSQL compatibility.
changelog_1022_li=LINKED TABLE\:worked around a bug in Oracle with the CHAR data type.
changelog_1023_li=The H2 Console now abbreviates large texts in results.
changelog_1023_li=Faster hash code calculation for large binary arrays.
changelog_1024_li=Multiple UNION queries could not be used in derived tables.
changelog_1024_li=Faster storage re-use algorithm thanks to Greg Dhuse from cleversafe.com.
changelog_1025_li=Linked tables can now be read-only.
changelog_1025_li=The database supports the SHOW command for better MySQL and PostgreSQL compatibility.
changelog_1026_li=Temporary linked tables are now supported.
changelog_1026_li=The H2 Console now abbreviates large texts in results.
changelog_1027_li=It was possible to create tables in read-only databases.
changelog_1027_li=Multiple UNION queries could not be used in derived tables.
changelog_1028_li=SET SCHEMA_SEARCH_PATH is now documented.
changelog_1028_li=Linked tables can now be read-only.
changelog_1029_li=SET SCHEMA did not work for views.
changelog_1029_li=Temporary linked tables are now supported.
changelog_1030_li=Row level locking for MVCC is now enabled. The exception 'Concurrent update in table ...' is still thrown, but only after the lock timeout.
changelog_1030_li=It was possible to create tables in read-only databases.
changelog_1031_li=The maximum log file size setting was ignored for large databases.
changelog_1031_li=SET SCHEMA_SEARCH_PATH is now documented.
changelog_1032_li=Multi-Version Concurrency (MVCC) may no longer be used when using the multi-threaded kernel feature (MULTI_THREADED). An exception is thrown when trying to connect with both settings. Additional synchronization is required before those features can be used together.
changelog_1032_li=SET SCHEMA did not work for views.
changelog_1033_li=The data type JAVA_OBJECT could not be used in updatable result sets.
changelog_1033_li=Row level locking for MVCC is now enabled. The exception 'Concurrent update in table ...' is still thrown, but only after the lock timeout.
changelog_1034_li=The system property h2.optimizeInJoin did not work correctly.
changelog_1034_li=The maximum log file size setting was ignored for large databases.
changelog_1035_li=Conditions such as ID\=? AND ID>? were slow.
changelog_1035_li=Multi-Version Concurrency (MVCC) may no longer be used when using the multi-threaded kernel feature (MULTI_THREADED). An exception is thrown when trying to connect with both settings. Additional synchronization is required before those features can be used together.
changelog_1036_h2=Version 1.0.78 (2008-08-28)
changelog_1036_li=The data type JAVA_OBJECT could not be used in updatable result sets.
changelog_1037_li=The documentation no longer uses a frameset (except the Javadocs).
changelog_1037_li=The system property h2.optimizeInJoin did not work correctly.
changelog_1038_li=When using DB_CLOSE_DELAY, sometimes a NullPointerException is thrown when the database is opened almost at the same time as it is closed automatically. Thanks a lot to Dmitry Pekar for finding this\!
changelog_1038_li=Conditions such as ID\=? AND ID>? were slow.
changelog_1039_li=Java methods with variable number of parameters can now be used (for Java 1.5 or newer).
changelog_1039_h2=Version 1.0.78 (2008-08-28)
changelog_1040_li=The Japanese translation has been improved by Masahiro Ikemoto. Thanks a lot\!
changelog_1040_li=The documentation no longer uses a frameset (except the Javadocs).
changelog_1041_li=The H2 Console replaced an empty user name with a single space.
changelog_1041_li=When using DB_CLOSE_DELAY, sometimes a NullPointerException is thrown when the database is opened almost at the same time as it is closed automatically. Thanks a lot to Dmitry Pekar for finding this\!
changelog_1042_li=The build target 'build jarSmall' now includes the embedded database.
changelog_1042_li=Java methods with variable number of parameters can now be used (for Java 1.5 or newer).
changelog_1043_li=JdbcDataSource now keeps the password in a char array where possible.
changelog_1043_li=The Japanese translation has been improved by Masahiro Ikemoto. Thanks a lot\!
changelog_1044_li=ResultSet.absolute did not always work with large result sets.
changelog_1044_li=The H2 Console replaced an empty user name with a single space.
changelog_1045_li=Column aliases can now be used in GROUP BY and HAVING.
changelog_1045_li=The build target 'build jarSmall' now includes the embedded database.
changelog_1046_li=Jason Brittain has contributed MySQL date functions. Thanks a lot\!They are not in the h2.jar file currently, but in src/tools/org/h2/mode/FunctionsMySQL.java. To install, add this class to the classpath and call FunctionsMySQL.register(conn) in the Java code.
changelog_1046_li=JdbcDataSource now keeps the password in a char array where possible.
changelog_1047_h2=Version 1.0.77 (2008-08-16)
changelog_1047_li=ResultSet.absolute did not always work with large result sets.
changelog_1048_li=JaQu is now using prepared statements and supports Date, Time, Timestamp.
changelog_1048_li=Column aliases can now be used in GROUP BY and HAVING.
changelog_1049_li=When using remote in-memory databases, large LOB objects did not work.
changelog_1049_li=Jason Brittain has contributed MySQL date functions. Thanks a lot\!They are not in the h2.jar file currently, but in src/tools/org/h2/mode/FunctionsMySQL.java. To install, add this class to the classpath and call FunctionsMySQL.register(conn) in the Java code.
changelog_1050_li=Timestamp columns such as TIMESTAMP(6) were not compatible to other database.
changelog_1050_h2=Version 1.0.77 (2008-08-16)
changelog_1051_li=Opening a large database was slow if there was a problem opening the previous time.
changelog_1051_li=JaQu is now using prepared statements and supports Date, Time, Timestamp.
changelog_1052_li=NOT IN(SELECT ...) was incorrect if the subquery returns no rows.
changelog_1052_li=When using remote in-memory databases, large LOB objects did not work.
changelog_1053_li=CREATE TABLE AS SELECT did not work correctly in the multi-version concurrency mode.
changelog_1053_li=Timestamp columns such as TIMESTAMP(6) were not compatible to other database.
changelog_1054_li=Support a comma before closing a list, as in\:create table test(id int,)
changelog_1054_li=Opening a large database was slow if there was a problem opening the previous time.
changelog_1055_li=MySQL compatibility\:linked tables had lower case column names on some systems.
changelog_1055_li=NOT IN(SELECT ...) was incorrect if the subquery returns no rows.
changelog_1056_li=DB2 compatibility\:the DB2 fetch-first-clause is supported.
changelog_1056_li=CREATE TABLE AS SELECT did not work correctly in the multi-version concurrency mode.
changelog_1057_li=Oracle compatibility\:old style outer join syntax using (+) did work correctly sometimes.
changelog_1057_li=Support a comma before closing a list, as in\:create table test(id int,)
changelog_1058_li=ResultSet.setFetchSize is now supported.
changelog_1058_li=MySQL compatibility\:linked tables had lower case column names on some systems.
changelog_1059_li=It has been reported that when using Install4j on some Linux systems and enabling the 'pack200' option, the h2.jar becomes corrupted by the install process, causing application failure. A workaround is to add an empty file h2.jar.nopack next to the h2.jar file. The reason for this problem is not known.
changelog_1059_li=DB2 compatibility\:the DB2 fetch-first-clause is supported.
changelog_1060_h2=Version 1.0.76 (2008-07-27)
changelog_1060_li=Oracle compatibility\:old style outer join syntax using (+) did work correctly sometimes.
changelog_1061_li=The comment of a domain (user defined data type) is now used as the default column comment when creating a column with this domain.
changelog_1061_li=ResultSet.setFetchSize is now supported.
changelog_1062_li=Invalid database names are now detected and a better error message is thrown.
changelog_1062_li=It has been reported that when using Install4j on some Linux systems and enabling the 'pack200' option, the h2.jar becomes corrupted by the install process, causing application failure. A workaround is to add an empty file h2.jar.nopack next to the h2.jar file. The reason for this problem is not known.
changelog_1063_li=ResultSetMetaData.getColumnClassName now returns the correct class name for BLOB and CLOB.
changelog_1063_h2=Version 1.0.76 (2008-07-27)
changelog_1064_li=Fixed the Oracle mode\:Oracle allows multiple rows only where all columns of the unique index are NULL.
changelog_1064_li=The comment of a domain (user defined data type) is now used as the default column comment when creating a column with this domain.
changelog_1065_li=There is a problem with Hibernate when using Boolean columns. A patch for Hibernate has been submitted at http\://opensource.atlassian.com/projects/hibernate/browse/HHH-3401
changelog_1065_li=Invalid database names are now detected and a better error message is thrown.
changelog_1066_li=ORDER BY on tableName.columnName didn't work correctly if the column name was also used as an alias.
changelog_1066_li=ResultSetMetaData.getColumnClassName now returns the correct class name for BLOB and CLOB.
changelog_1067_li=H2 Console\:The progress display when opening a database has been improved.
changelog_1067_li=Fixed the Oracle mode\:Oracle allows multiple rows only where all columns of the unique index are NULL.
changelog_1068_li=The error message when the server doesn't start has been improved.
changelog_1068_li=There is a problem with Hibernate when using Boolean columns. A patch for Hibernate has been submitted at http\://opensource.atlassian.com/projects/hibernate/browse/HHH-3401
changelog_1069_li=Key values can now be changed in updatable result sets.
changelog_1069_li=ORDER BY on tableName.columnName didn't work correctly if the column name was also used as an alias.
changelog_1070_li=Changes in updatable result sets are now visible even when resetting the result set.
changelog_1070_li=H2 Console\:The progress display when opening a database has been improved.
changelog_1071_li=Temporary files were sometimes deleted too late when executing large insert, update, or delete operations.
changelog_1071_li=The error message when the server doesn't start has been improved.
changelog_1072_li=The database file was growing after deleting many rows, and after large update operations.
changelog_1072_li=Key values can now be changed in updatable result sets.
changelog_1073_h2=Version 1.0.75 (2008-07-14)
changelog_1073_li=Changes in updatable result sets are now visible even when resetting the result set.
changelog_1074_li=Multi version concurrency (MVCC)\:when a row was updated or deleted, but this change was rolled back, the row was not visible by other sessions if no index was used to access it. Fixed.
changelog_1074_li=Temporary files were sometimes deleted too late when executing large insert, update, or delete operations.
changelog_1075_li=Views with multiple joined tables (where one was an outer join) couldn't be used in some cases. Fixed.
changelog_1075_li=The database file was growing after deleting many rows, and after large update operations.
changelog_1076_li=The CSVREAD method did not process NULL correctly when using a whitespace field separator.
changelog_1076_h2=Version 1.0.75 (2008-07-14)
changelog_1077_li=Fixed the Oracle mode\:Oracle allows multiple rows with NULL in a unique index.
changelog_1077_li=Multi version concurrency (MVCC)\:when a row was updated or deleted, but this change was rolled back, the row was not visible by other sessions if no index was used to access it. Fixed.
changelog_1078_li=Running out of memory could result in incomplete transactions or corrupted databases. Fixed.
changelog_1078_li=Views with multiple joined tables (where one was an outer join) couldn't be used in some cases. Fixed.
changelog_1079_li=When using order by in a query that uses the same table multiple times, the order could be incorrect. Fixed.
changelog_1079_li=The CSVREAD method did not process NULL correctly when using a whitespace field separator.
changelog_1080_li=Referential constraint checking improvement\:now the constraint is only checked if the key column values change.
changelog_1080_li=Fixed the Oracle mode\:Oracle allows multiple rows with NULL in a unique index.
changelog_1081_li=Some database metadata calls returned the wrong data type for DATA_TYPE columns.
changelog_1081_li=Running out of memory could result in incomplete transactions or corrupted databases. Fixed.
changelog_1082_li=The Lucene fulltext index was empty when opening a database with fulltext index enabled, and re-indexing it didn't work. Fixed.
changelog_1082_li=When using order by in a query that uses the same table multiple times, the order could be incorrect. Fixed.
changelog_1083_li=The character '$' could not be used in identifier names (table name, column names and so on). Fixed.
changelog_1083_li=Referential constraint checking improvement\:now the constraint is only checked if the key column values change.
changelog_1084_li=The new method org.h2.tools.Server.startWebServer(conn) starts the H2 Console to inspect a database while debugging.
changelog_1084_li=Some database metadata calls returned the wrong data type for DATA_TYPE columns.
changelog_1085_li=Stopping a WebServer didn't always work. Fixed.
changelog_1085_li=The Lucene fulltext index was empty when opening a database with fulltext index enabled, and re-indexing it didn't work. Fixed.
changelog_1086_h2=Version 1.0.74 (2008-06-21)
changelog_1086_li=The character '$' could not be used in identifier names (table name, column names and so on). Fixed.
changelog_1087_li=Work on row level locking has been started (but there is nothing usable yet).
changelog_1087_li=The new method org.h2.tools.Server.startWebServer(conn) starts the H2 Console to inspect a database while debugging.
changelog_1088_li=JaQu (Java Query), a tool similar to LINQ (Language Integrated Query; from Microsoft) is now included under src/tools/org/h2/jaqu. A small sample application is included under src/test/org/h2/test/jaqu.
changelog_1088_li=Stopping a WebServer didn't always work. Fixed.
changelog_1089_li=The source code is now switched to Java 1.6 by default. To switch back to Java 1.4, run 'build compile'. The h2.jar file is still Java 1.4.
changelog_1089_h2=Version 1.0.74 (2008-06-21)
changelog_1090_li=The ChangePassword tool is now called ChangeFileEncryption.
changelog_1090_li=Work on row level locking has been started (but there is nothing usable yet).
changelog_1091_li=It is no longer allowed to create columns with the data type NULL. Also, it is no longer allowed to convert a column to the data type NULL. This was possible before but caused data loss.
changelog_1091_li=JaQu (Java Query), a tool similar to LINQ (Language Integrated Query; from Microsoft) is now included under src/tools/org/h2/jaqu. A small sample application is included under src/test/org/h2/test/jaqu.
changelog_1092_li=When using computed columns or default values with a different data type than the column data type, a class cast exception could occur. Fixed.
changelog_1092_li=The source code is now switched to Java 1.6 by default. To switch back to Java 1.4, run 'build compile'. The h2.jar file is still Java 1.4.
changelog_1093_li=Opening databases larger than 1 GB was sometimes very slow if a lot of data was deleted previously. Fixed.
changelog_1093_li=The ChangePassword tool is now called ChangeFileEncryption.
changelog_1094_li=RUNSCRIPT could throw a NullPointerException if the script name was an expression.
changelog_1094_li=It is no longer allowed to create columns with the data type NULL. Also, it is no longer allowed to convert a column to the data type NULL. This was possible before but caused data loss.
changelog_1095_li=Improved compatibility. New compatibility modes for Oracle and Derby. New compatibility flag uniqueIndexNullDistinct to only allow one row with 'NULL' in a unique index. This flag is enabled for Derby, Oracle, MSSQLServer, and HSQLDB.
changelog_1095_li=When using computed columns or default values with a different data type than the column data type, a class cast exception could occur. Fixed.
changelog_1096_li=Linked tables\:To view the statements that are executed against the target table, set the trace level to 3.
changelog_1096_li=Opening databases larger than 1 GB was sometimes very slow if a lot of data was deleted previously. Fixed.
changelog_1097_li=RunScript tool\:new options to show and check the results of queries.
changelog_1097_li=RUNSCRIPT could throw a NullPointerException if the script name was an expression.
changelog_1098_li=Deadlocks are now detected. One transaction is rolled back automatically.
changelog_1098_li=Improved compatibility. New compatibility modes for Oracle and Derby. New compatibility flag uniqueIndexNullDistinct to only allow one row with 'NULL' in a unique index. This flag is enabled for Derby, Oracle, MSSQLServer, and HSQLDB.
changelog_1099_li=The Lucene fulltext index was always re-created when opening a database with fulltext index enabled.
changelog_1099_li=Linked tables\:To view the statements that are executed against the target table, set the trace level to 3.
changelog_1100_li=Support for overloaded Java methods. A user defined function can now be bound to multiple Java methods, if the Java methods have the same name but a different number of parameters. Thanks to Gary Tong for providing a patch\!
changelog_1100_li=RunScript tool\:new options to show and check the results of queries.
changelog_1101_h2=Version 1.0.73 (2008-05-31)
changelog_1101_li=Deadlocks are now detected. One transaction is rolled back automatically.
changelog_1102_li=ParameterMetaData now returns the right data type for most conditions, as in WHERE ID\=?.
changelog_1102_li=The Lucene fulltext index was always re-created when opening a database with fulltext index enabled.
changelog_1103_li=The table SYSTEM_RANGE now supports expressions and parameters.
changelog_1103_li=Support for overloaded Java methods. A user defined function can now be bound to multiple Java methods, if the Java methods have the same name but a different number of parameters. Thanks to Gary Tong for providing a patch\!
changelog_1104_li=New column INFORMATION_SCHEMA.CONSTRAINTS.UNIQUE_INDEX_NAME that contains the name of the unique index used to enforce this constraint, if there is such an index.
changelog_1104_h2=Version 1.0.73 (2008-05-31)
changelog_1105_li=SET QUERY_TIMEOUT and Statement.setQueryTimeout no longer commits a transaction. The same applies to SET @VARIABLE, SET LOCK_TIMEOUT, SET TRACE_LEVEL_*, SET THROTTLE, and SET PATH.
changelog_1105_li=ParameterMetaData now returns the right data type for most conditions, as in WHERE ID\=?.
changelog_1106_li=The SCRIPT command does now emit IF NOT EXISTS for CREATE ROLE.
changelog_1106_li=The table SYSTEM_RANGE now supports expressions and parameters.
changelog_1107_li=MySQL compatibility\:auto_increment column are no longer automatically converted to primary key columns.
changelog_1107_li=New column INFORMATION_SCHEMA.CONSTRAINTS.UNIQUE_INDEX_NAME that contains the name of the unique index used to enforce this constraint, if there is such an index.
changelog_1108_li=PostgreSQL compatibility\:support for BOOL_OR and BOOL_AND aggregate functions.
changelog_1108_li=SET QUERY_TIMEOUT and Statement.setQueryTimeout no longer commits a transaction. The same applies to SET @VARIABLE, SET LOCK_TIMEOUT, SET TRACE_LEVEL_*, SET THROTTLE, and SET PATH.
changelog_1109_li=Negative scale values for DECIMAL or NUMBER columns are now supported in regular tables and in linked tables.
changelog_1109_li=The SCRIPT command does now emit IF NOT EXISTS for CREATE ROLE.
changelog_1110_li=A role or right can now be granted or revoked multiple times without getting an exception.
changelog_1110_li=MySQL compatibility\:auto_increment column are no longer automatically converted to primary key columns.
changelog_1111_li=Infinite numbers in SQL scripts are listed as POWER(0, -1)), negative infinite as (-POWER(0, -1)), and NaN (not a number) as SQRT(-1).
changelog_1111_li=PostgreSQL compatibility\:support for BOOL_OR and BOOL_AND aggregate functions.
changelog_1112_li=The special double and float values 'NaN' (not a number) did not work correctly when sorting or comparing.
changelog_1112_li=Negative scale values for DECIMAL or NUMBER columns are now supported in regular tables and in linked tables.
changelog_1113_li=The fulltext search did not support CLOB data types.
changelog_1113_li=A role or right can now be granted or revoked multiple times without getting an exception.
changelog_1114_li=If the drive with the database files was disconnected or unmounted while writing, sometimes a stack overflow exception was thrown instead of a IO exception.
changelog_1114_li=Infinite numbers in SQL scripts are listed as POWER(0, -1)), negative infinite as (-POWER(0, -1)), and NaN (not a number) as SQRT(-1).
changelog_1115_li=The H2 Console could not be shut down from within the tool if the browser supports keepAlive (most browsers do).
changelog_1115_li=The special double and float values 'NaN' (not a number) did not work correctly when sorting or comparing.
changelog_1116_li=If the password was passed as a char array, it was kept in an internal buffer longer than required. Theoretically the password could have been stolen if the main memory was swapped to disk before the garbage collection was run.
changelog_1116_li=The fulltext search did not support CLOB data types.
changelog_1117_h2=Version 1.0.72 (2008-05-10)
changelog_1117_li=If the drive with the database files was disconnected or unmounted while writing, sometimes a stack overflow exception was thrown instead of a IO exception.
changelog_1118_li=Some databases could not be opened when appending ;RECOVER\=1 to the database URL.
changelog_1118_li=The H2 Console could not be shut down from within the tool if the browser supports keepAlive (most browsers do).
changelog_1119_li=The Japanese translation of the error messages and the H2 Console has been completed by Masahiro Ikemoto (Arizona Design Inc.)
changelog_1119_li=If the password was passed as a char array, it was kept in an internal buffer longer than required. Theoretically the password could have been stolen if the main memory was swapped to disk before the garbage collection was run.
changelog_1120_li=Updates made to updatable rows are now visible within the same result set. DatabaseMetaData.ownUpdatesAreVisible now returns true.
changelog_1120_h2=Version 1.0.72 (2008-05-10)
changelog_1121_li=ParameterMetaData now returns the correct data for INSERT and UPDATE statements.
changelog_1121_li=Some databases could not be opened when appending ;RECOVER\=1 to the database URL.
changelog_1122_li=H2 Shell\:DESCRIBE now supports an schema name.
changelog_1122_li=The Japanese translation of the error messages and the H2 Console has been completed by Masahiro Ikemoto (Arizona Design Inc.)
changelog_1123_li=A subset of the PostgreSQL 'dollar quoting' feature is now supported.
changelog_1123_li=Updates made to updatable rows are now visible within the same result set. DatabaseMetaData.ownUpdatesAreVisible now returns true.
changelog_1124_li=SLF4J is now supported by using adding TRACE_LEVEL_FILE\=4 to the database URL.
changelog_1124_li=ParameterMetaData now returns the correct data for INSERT and UPDATE statements.
changelog_1125_li=The recovery tool did not work if the table name contained spaces or if there was a comment on the table.
changelog_1125_li=H2 Shell\:DESCRIBE now supports an schema name.
changelog_1126_li=Triggers are no longer executed when changing the table structure (ALTER TABLE).
changelog_1126_li=A subset of the PostgreSQL 'dollar quoting' feature is now supported.
changelog_1127_li=When setting BLOB or CLOB values larger than 65 KB using a remote connection, temporary files were kept on the client longer than required (until the connection was closed or the object is garbage collected). Now they are removed as soon as the PreparedStatement is closed, or when the value is overwritten.
changelog_1127_li=SLF4J is now supported by using adding TRACE_LEVEL_FILE\=4 to the database URL.
changelog_1128_li=Statements can now be canceled remotely (when using remote connections).
changelog_1128_li=The recovery tool did not work if the table name contained spaces or if there was a comment on the table.
changelog_1129_li=The Shell tool now uses java.io.Console to read the password when using JDK 1.6
changelog_1129_li=Triggers are no longer executed when changing the table structure (ALTER TABLE).
changelog_1130_li=When using read-only databases and setting LOG\=2, an exception was written to the trace file when closing the database. Fixed.
changelog_1130_li=When setting BLOB or CLOB values larger than 65 KB using a remote connection, temporary files were kept on the client longer than required (until the connection was closed or the object is garbage collected). Now they are removed as soon as the PreparedStatement is closed, or when the value is overwritten.
changelog_1131_h2=Version 1.0.71 (2008-04-25)
changelog_1131_li=Statements can now be canceled remotely (when using remote connections).
changelog_1132_li=H2 is now dual-licensed under the Eclipse Public License (EPL) and the old 'H2 License' (which is basically MPL).
changelog_1132_li=The Shell tool now uses java.io.Console to read the password when using JDK 1.6
changelog_1133_li=Sometimes an exception 'File ID mismatch' or 'try to add a record twice' occurred after large records (8 KB or larger) are updated or deleted. See also http\://code.google.com/p/h2database/issues/detail?id\=22
changelog_1133_li=When using read-only databases and setting LOG\=2, an exception was written to the trace file when closing the database. Fixed.
changelog_1134_li=H2 Console\:The tools can now be translated (it didn't work in the last release).
changelog_1134_h2=Version 1.0.71 (2008-04-25)
changelog_1135_li=New traditional Chinese translation. Thanks a lot to Derek Chao\!
changelog_1135_li=H2 is now dual-licensed under the Eclipse Public License (EPL) and the old 'H2 License' (which is basically MPL).
changelog_1136_li=Indexes were not used when enabling the optimization for IN(SELECT...) (system property h2.optimizeInJoin).
changelog_1136_li=Sometimes an exception 'File ID mismatch' or 'try to add a record twice' occurred after large records (8 KB or larger) are updated or deleted. See also http\://code.google.com/p/h2database/issues/detail?id\=22
changelog_1137_h2=Version 1.0.70 (2008-04-20)
changelog_1137_li=H2 Console\:The tools can now be translated (it didn't work in the last release).
changelog_1138_li=The plan is to dual-license H2. The additional license is EPL (Eclipse Public License). The current license (MPL, Mozilla Public License) will stay. Current users are not affected because they can keep MPL. EPL is very similar to MPL, the only bigger difference is related to patents (EPL is a bit more business friendly in this regard). See also http\://opensource.org/licenses/eclipse-1.0.php, http\://www.eclipse.org/legal/eplfaq.php (FAQ), http\://blogs.zdnet.com/Burnette/?p\=131
changelog_1138_li=New traditional Chinese translation. Thanks a lot to Derek Chao\!
changelog_1139_li=Multi version concurrency (MVCC)\:when a row was updated, and the updated column was not indexed, this update was visible sometimes for other sessions even if it was not committed.
changelog_1139_li=Indexes were not used when enabling the optimization for IN(SELECT...) (system property h2.optimizeInJoin).
changelog_1140_li=Calling SHUTDOWN on one connection and starting a query on another connection concurrently could result in a Java level deadlock.
changelog_1140_h2=Version 1.0.70 (2008-04-20)
changelog_1141_li=New system property h2.enableAnonymousSSL (default\:true) to enable anonymous SSL connections.
changelog_1141_li=The plan is to dual-license H2. The additional license is EPL (Eclipse Public License). The current license (MPL, Mozilla Public License) will stay. Current users are not affected because they can keep MPL. EPL is very similar to MPL, the only bigger difference is related to patents (EPL is a bit more business friendly in this regard). See also http\://opensource.org/licenses/eclipse-1.0.php, http\://www.eclipse.org/legal/eplfaq.php (FAQ), http\://blogs.zdnet.com/Burnette/?p\=131
changelog_1142_li=The precision if SUBSTR is now calculated if possible.
changelog_1142_li=Multi version concurrency (MVCC)\:when a row was updated, and the updated column was not indexed, this update was visible sometimes for other sessions even if it was not committed.
changelog_1143_li=The autocomplete in the H2 Console has been improved a bit.
changelog_1143_li=Calling SHUTDOWN on one connection and starting a query on another connection concurrently could result in a Java level deadlock.
changelog_1144_li=The tools in the H2 Console are now translatable.
changelog_1144_li=New system property h2.enableAnonymousSSL (default\:true) to enable anonymous SSL connections.
changelog_1145_li=The servlet and lucene jar files are now automatically downloaded when building.
changelog_1145_li=The precision if SUBSTR is now calculated if possible.
changelog_1146_li=The code switch tool has been replaced by a simpler tool called SwitchSource that just uses find and replace.
changelog_1146_li=The autocomplete in the H2 Console has been improved a bit.
changelog_1147_li=Started to write a Ant replacement ('JAnt') that uses pure Java build definitions. Advantages\:ability to debug the build, extensible, flexible, no XML, a bit faster. Future plan\:support creating custom h2 distributions (for embedded use). Maybe create a new project 'Jant' or 'Javen' if other people are interested.
changelog_1147_li=The tools in the H2 Console are now translatable.
changelog_1148_li=The jar file is now about 10% smaller because the variable debugging info is no longer included. The source file and line number debugging info is still included. If required, the jar file size of the full version can be further reduced to about 720 KB using 'build jarSmall' or even more by removing unneeded components.
changelog_1148_li=The servlet and lucene jar files are now automatically downloaded when building.
changelog_1149_li=Added shell scripts run.sh and build.sh. chmod +x is required, but otherwise it should work. Feedback or improvements are welcome\!
changelog_1149_li=The code switch tool has been replaced by a simpler tool called SwitchSource that just uses find and replace.
changelog_1150_li=Databases in zip files\:large queries are now supported. Temp files are created in the temp directory if required. The documentation how to create the zip file has been corrected.
changelog_1150_li=Started to write a Ant replacement ('JAnt') that uses pure Java build definitions. Advantages\:ability to debug the build, extensible, flexible, no XML, a bit faster. Future plan\:support creating custom h2 distributions (for embedded use). Maybe create a new project 'Jant' or 'Javen' if other people are interested.
changelog_1151_li=The jar file is now about 10% smaller because the variable debugging info is no longer included. The source file and line number debugging info is still included. If required, the jar file size of the full version can be further reduced to about 720 KB using 'build jarSmall' or even more by removing unneeded components.
changelog_1152_li=The Japanese translation of the error messages and the H2 Console has been improved. Thanks a lot to Masahiro IKEMOTO.
changelog_1152_li=Added shell scripts run.sh and build.sh. chmod +x is required, but otherwise it should work. Feedback or improvements are welcome\!
changelog_1153_li=Optimization for MIN() and MAX() when using MVCC.
changelog_1153_li=Databases in zip files\:large queries are now supported. Temp files are created in the temp directory if required. The documentation how to create the zip file has been corrected.
changelog_1154_li=To protect against remote brute force password attacks, the delay after each unsuccessful login now gets double as long. New system properties h2.delayWrongPasswordMin and h2.delayWrongPasswordMax.
changelog_1155_li=After setting the query timeout and then resetting it, the next query would still timeout. Fixed.
changelog_1155_li=The Japanese translation of the error messages and the H2 Console has been improved. Thanks a lot to Masahiro IKEMOTO.
changelog_1156_li=Adding a IDENTITY column to a table with data threw a lock timeout.
changelog_1156_li=Optimization for MIN() and MAX() when using MVCC.
changelog_1157_li=OutOfMemoryError could occur when using EXISTS or IN(SELECT ..).
changelog_1157_li=To protect against remote brute force password attacks, the delay after each unsuccessful login now gets double as long. New system properties h2.delayWrongPasswordMin and h2.delayWrongPasswordMax.
changelog_1158_li=The built-in connection pool is not called JdbcConnectionPool. The API and documentation has been changed.
changelog_1158_li=After setting the query timeout and then resetting it, the next query would still timeout. Fixed.
changelog_1159_li=The ConvertTraceFile tool now generates SQL statement statistics at the end of the SQL script file (similar to the profiling data generated when using java -Xrunhprof).
changelog_1159_li=Adding a IDENTITY column to a table with data threw a lock timeout.
changelog_1160_li=Nested joins are now supported (A JOIN B JOIN C ON .. ON ..)
changelog_1160_li=OutOfMemoryError could occur when using EXISTS or IN(SELECT ..).
changelog_1161_h2=Version 1.0.69 (2008-03-29)
changelog_1161_li=The built-in connection pool is not called JdbcConnectionPool. The API and documentation has been changed.
changelog_1162_li=Most command line tools can now be called from within the H2 Console.
changelog_1162_li=The ConvertTraceFile tool now generates SQL statement statistics at the end of the SQL script file (similar to the profiling data generated when using java -Xrunhprof).
changelog_1163_li=A new Shell tools is now included (org.h2.tools.Shell) to query a database from the command line.
changelog_1163_li=Nested joins are now supported (A JOIN B JOIN C ON .. ON ..)
changelog_1164_li=The command line options in the tools have changed\:instead of '-log true' now '-trace' is used. Also, '-ifExists', '-tcpSSL' and '-tcpAllowOthers' and so on have changed\:now the 'true' is no longer needed. The old behavior is still supported.
changelog_1164_h2=Version 1.0.69 (2008-03-29)
changelog_1165_li=New system property h2.sortNullsHigh to invert the default sorting behavior for NULL. The default didn't change.
changelog_1165_li=Most command line tools can now be called from within the H2 Console.
changelog_1166_li=Performance was very slow when using LOG\=2 and deleting or updating all rows of a table in a loop. Fixed.
changelog_1166_li=A new Shell tools is now included (org.h2.tools.Shell) to query a database from the command line.
changelog_1167_li=ALTER TABLE or CREATE TABLE now support parameters for the password field.
changelog_1167_li=The command line options in the tools have changed\:instead of '-log true' now '-trace' is used. Also, '-ifExists', '-tcpSSL' and '-tcpAllowOthers' and so on have changed\:now the 'true' is no longer needed. The old behavior is still supported.
changelog_1168_li=The linear hash has been removed. It was always slower than the b-tree index, and there were some bugs that would be hard to fix.
changelog_1168_li=New system property h2.sortNullsHigh to invert the default sorting behavior for NULL. The default didn't change.
changelog_1169_li=TRACE_LEVEL_ settings are no longer persistent. This was a problem when database initialization code caused a lot of trace output.
changelog_1169_li=Performance was very slow when using LOG\=2 and deleting or updating all rows of a table in a loop. Fixed.
changelog_1170_li=Fulltext search (native implementation)\:The words table is no longer an in-memory table because this caused memory problems in some cases.
changelog_1170_li=ALTER TABLE or CREATE TABLE now support parameters for the password field.
changelog_1171_li=It was possible to create a role with the name as an existing user (but not vice versa). This is not allowed any more.
changelog_1171_li=The linear hash has been removed. It was always slower than the b-tree index, and there were some bugs that would be hard to fix.
changelog_1172_li=The recovery tool didn't work correctly for tables without rows.
changelog_1172_li=TRACE_LEVEL_ settings are no longer persistent. This was a problem when database initialization code caused a lot of trace output.
changelog_1173_li=For years below 1, the YEAR method didn't return the correct value, and the conversion from date and timestamp to varchar was incorrect.
changelog_1173_li=Fulltext search (native implementation)\:The words table is no longer an in-memory table because this caused memory problems in some cases.
changelog_1174_li=CSVWRITE caused a NullPointerException when not specifying a nullString.
changelog_1174_li=It was possible to create a role with the name as an existing user (but not vice versa). This is not allowed any more.
changelog_1175_li=When a log file switch occurred just after a truncate table or drop table statement, the database could not be started normally (RECOVER\=1 was required). Fixed.
changelog_1175_li=The recovery tool didn't work correctly for tables without rows.
changelog_1176_li=When a log file switch occurred in the middle of a sequence flush (sequences are only flushed every 32 values by default), the sequence value was lost. Fixed.
changelog_1176_li=For years below 1, the YEAR method didn't return the correct value, and the conversion from date and timestamp to varchar was incorrect.
changelog_1177_li=Altering a sequence didn't unlock the system table when autocommit switched off.
changelog_1177_li=CSVWRITE caused a NullPointerException when not specifying a nullString.
changelog_1178_h2=Version 1.0.68 (2008-03-18)
changelog_1178_li=When a log file switch occurred just after a truncate table or drop table statement, the database could not be started normally (RECOVER\=1 was required). Fixed.
changelog_1179_li=Very large SELECT DISTINCT and UNION EXCEPT queries are now supported, however this feature is disabled by default. To enable it, set the system property h2.maxMemoryRowsDistinct to a lower value, for example 10000.
changelog_1179_li=When a log file switch occurred in the middle of a sequence flush (sequences are only flushed every 32 values by default), the sequence value was lost. Fixed.
changelog_1180_li=A error is now thrown when trying to call a method inside a trigger that implicitly commits the current transaction, if an object is locked.
changelog_1180_li=Altering a sequence didn't unlock the system table when autocommit switched off.
changelog_1181_li=Unused LOB files were deleted much too late. Now they are deleted if no longer referenced in memory.
changelog_1181_h2=Version 1.0.68 (2008-03-18)
changelog_1182_li=ALTER SEQUENCE and ALTER TABLE ALTER COLUMN RESTART can now be used inside a transaction.
changelog_1182_li=Very large SELECT DISTINCT and UNION EXCEPT queries are now supported, however this feature is disabled by default. To enable it, set the system property h2.maxMemoryRowsDistinct to a lower value, for example 10000.
changelog_1183_li=New system property h2.aliasColumnName. When enabled, aliased columns (as in SELECT ID AS I FROM TEST) return the real table and column name in ResultSetMetaData.getTableName() and getColumnName(). This is disabled by default for compatibility with other databases (HSQLDB, Apache Derby, PostgreSQL, some version of MySQL). In version 1.1 this setting will be enabled.
changelog_1183_li=A error is now thrown when trying to call a method inside a trigger that implicitly commits the current transaction, if an object is locked.
changelog_1184_li=When using encrypted databases, and using the wrong file password, the log file was renamed if the database was not already open. Fixed.
changelog_1184_li=Unused LOB files were deleted much too late. Now they are deleted if no longer referenced in memory.
changelog_1185_li=Improved performance when using lob files in directories (however this is still disabled by default)
changelog_1185_li=ALTER SEQUENCE and ALTER TABLE ALTER COLUMN RESTART can now be used inside a transaction.
changelog_1186_li=H2 Console\:autocomplete didn't work with very large scripts. Fixed.
changelog_1186_li=New system property h2.aliasColumnName. When enabled, aliased columns (as in SELECT ID AS I FROM TEST) return the real table and column name in ResultSetMetaData.getTableName() and getColumnName(). This is disabled by default for compatibility with other databases (HSQLDB, Apache Derby, PostgreSQL, some version of MySQL). In version 1.1 this setting will be enabled.
changelog_1187_li=Fulltext search\:new method SEARCH_DATA that returns the column names and primary keys as arrays.
changelog_1187_li=When using encrypted databases, and using the wrong file password, the log file was renamed if the database was not already open. Fixed.
changelog_1188_li=New experimental optimization for GROUP BY queries if an index can be used that matches the group by columns. To enable this optimization, set the system property h2.optimizeGroupSorted to true.
changelog_1188_li=Improved performance when using lob files in directories (however this is still disabled by default)
changelog_1189_li=When using multi-version concurrency (MVCC\=TRUE), duplicate rows could appear in the result set when running queries with uncommitted changes in the same session.
changelog_1189_li=H2 Console\:autocomplete didn't work with very large scripts. Fixed.
changelog_1190_li=H2 Console\:remote connections were very slow because getHostName/getRemoteHost was used. Fixed (now using getHostAddress/getRemoteAddr.
changelog_1190_li=Fulltext search\:new method SEARCH_DATA that returns the column names and primary keys as arrays.
changelog_1191_li=H2 Console\:on Linux, Firefox, Konqueror, or Opera (in this order) are now started if available. This has been tested on Ubuntu.
changelog_1191_li=New experimental optimization for GROUP BY queries if an index can be used that matches the group by columns. To enable this optimization, set the system property h2.optimizeGroupSorted to true.
changelog_1192_li=H2 Console\:the start window works better with IKVM
changelog_1192_li=When using multi-version concurrency (MVCC\=TRUE), duplicate rows could appear in the result set when running queries with uncommitted changes in the same session.
changelog_1193_li=H2 Console\:improved compatibility with Safari (Safari requires keep-alive)
changelog_1193_li=H2 Console\:remote connections were very slow because getHostName/getRemoteHost was used. Fixed (now using getHostAddress/getRemoteAddr.
changelog_1194_li=Random\:the process didn't stop if generating the random seed using the standard way (SecureRandom.generateSeed) was very slow. Now using a daemon thread to avoid this problem.
changelog_1194_li=H2 Console\:on Linux, Firefox, Konqueror, or Opera (in this order) are now started if available. This has been tested on Ubuntu.
changelog_1195_li=SELECT UNION with a different number of ORDER BY columns did throw an ArrayIndexOutOfBoundsException.
changelog_1195_li=H2 Console\:the start window works better with IKVM
changelog_1196_li=When using a view, the column precision was changed to the default scale for some data types.
changelog_1196_li=H2 Console\:improved compatibility with Safari (Safari requires keep-alive)
changelog_1197_li=CSVWRITE now supports a 'null string' that is used for parsing and writing NULL.
changelog_1197_li=Random\:the process didn't stop if generating the random seed using the standard way (SecureRandom.generateSeed) was very slow. Now using a daemon thread to avoid this problem.
changelog_1198_li=Some long running queries could not be canceled.
changelog_1198_li=SELECT UNION with a different number of ORDER BY columns did throw an ArrayIndexOutOfBoundsException.
changelog_1199_li=Queries with many outer join tables were very slow. Fixed.
changelog_1199_li=When using a view, the column precision was changed to the default scale for some data types.
changelog_1200_li=The performance of text comparison has been improved when using locale sensitive string comparison (SET COLLATOR). Now CollationKey is used with a LRU cache. The default cache size is 10000, and can be changed using the system property h2.collatorCacheSize. Use 0 to disable the cache.
changelog_1200_li=CSVWRITE now supports a 'null string' that is used for parsing and writing NULL.
changelog_1201_li=UPDATE SET column\=DEFAULT is now supported.
changelog_1201_li=Some long running queries could not be canceled.
changelog_1202_h2=Version 1.0.67 (2008-02-22)
changelog_1202_li=Queries with many outer join tables were very slow. Fixed.
changelog_1203_li=New function FILE_READ to read a file or from an URL. Both binary and text data is supported.
changelog_1203_li=The performance of text comparison has been improved when using locale sensitive string comparison (SET COLLATOR). Now CollationKey is used with a LRU cache. The default cache size is 10000, and can be changed using the system property h2.collatorCacheSize. Use 0 to disable the cache.
changelog_1204_li=CREATE TABLE AS SELECT now supports specifying the column list and data types.
changelog_1204_li=UPDATE SET column\=DEFAULT is now supported.
changelog_1205_li=Connecting to a TCP server and at shutting it down at the same time could cause a Java level deadlock.
changelog_1205_h2=Version 1.0.67 (2008-02-22)
changelog_1206_li=A user now has all rights on his own local temporary tables.
changelog_1206_li=New function FILE_READ to read a file or from an URL. Both binary and text data is supported.
changelog_1207_li=The CSV tool now supports a custom lineSeparator.
changelog_1207_li=CREATE TABLE AS SELECT now supports specifying the column list and data types.
changelog_1208_li=When using multiple connections, empty space was reused too early sometimes. This could corrupt the database when recovering.
changelog_1208_li=Connecting to a TCP server and at shutting it down at the same time could cause a Java level deadlock.
changelog_1209_li=The H2 Console has been translated to Dutch. Thanks a lot to Remco Schoen\!
changelog_1209_li=A user now has all rights on his own local temporary tables.
changelog_1210_li=Databases can now be opened even if trigger classes are not in the classpath. The exception is thrown when trying to fire the trigger.
changelog_1210_li=The CSV tool now supports a custom lineSeparator.
changelog_1211_li=Opening databases with ACCESS_MODE_DATA\=r is now supported. In this case the database is read-only, but the files don't not need to be read-only.
changelog_1211_li=When using multiple connections, empty space was reused too early sometimes. This could corrupt the database when recovering.
changelog_1212_li=Security\:The database now waits 200 ms before throwing an exception if the user name or password don't match, to slow down dictionary attacks.
changelog_1212_li=The H2 Console has been translated to Dutch. Thanks a lot to Remco Schoen\!
changelog_1213_li=The value cache is now a soft reference cache. This should help save memory.
changelog_1213_li=Databases can now be opened even if trigger classes are not in the classpath. The exception is thrown when trying to fire the trigger.
changelog_1214_li=CREATE INDEX on a table with many rows could run out of memory. Fixed.
changelog_1214_li=Opening databases with ACCESS_MODE_DATA\=r is now supported. In this case the database is read-only, but the files don't not need to be read-only.
changelog_1215_li=Large result sets are now a bit faster.
changelog_1215_li=Security\:The database now waits 200 ms before throwing an exception if the user name or password don't match, to slow down dictionary attacks.
changelog_1216_li=ALTER TABLE ALTER COLUMN RESTART and ALTER SEQUENCE now support parameters (any expressions).
changelog_1216_li=The value cache is now a soft reference cache. This should help save memory.
changelog_1217_li=When setting the base directory on the command line, the user directory prefix ('~') was ignored.
changelog_1217_li=CREATE INDEX on a table with many rows could run out of memory. Fixed.
changelog_1218_li=The DbStarter servlet didn't start the TCP listener even if configured.
changelog_1218_li=Large result sets are now a bit faster.
changelog_1219_li=Statement.setQueryTimeout() is now supported.
changelog_1219_li=ALTER TABLE ALTER COLUMN RESTART and ALTER SEQUENCE now support parameters (any expressions).
changelog_1220_li=New session setting QUERY_TIMEOUT, and new system property h2.maxQueryTimeout.
changelog_1220_li=When setting the base directory on the command line, the user directory prefix ('~') was ignored.
changelog_1221_li=Changing the transaction log level (SET LOG) is now written to the trace file by default.
changelog_1221_li=The DbStarter servlet didn't start the TCP listener even if configured.
changelog_1222_li=In a SQL script, primary key constraints are now ordered before foreign key constraints.
changelog_1222_li=Statement.setQueryTimeout() is now supported.
changelog_1223_li=It was not possible to create a referential constraint to a table in a different schema in some situations.
changelog_1223_li=New session setting QUERY_TIMEOUT, and new system property h2.maxQueryTimeout.
changelog_1224_li=The H2 Console was slow when the database contains many tables. Now the column names are not shown in this case.
changelog_1224_li=Changing the transaction log level (SET LOG) is now written to the trace file by default.
changelog_1225_h2=Version 1.0.66 (2008-02-02)
changelog_1225_li=In a SQL script, primary key constraints are now ordered before foreign key constraints.
changelog_1226_li=There is a new online error analyzer tool.
changelog_1226_li=It was not possible to create a referential constraint to a table in a different schema in some situations.
changelog_1227_li=H2 Console\:stack traces are now links to the source code in the source repository (H2 database only).
changelog_1227_li=The H2 Console was slow when the database contains many tables. Now the column names are not shown in this case.
changelog_1228_li=CHAR data type equals comparison was case insensitive instead of case sensitive.
changelog_1228_h2=Version 1.0.66 (2008-02-02)
changelog_1229_li=The exception 'Value too long for column' now includes the data.
changelog_1229_li=There is a new online error analyzer tool.
changelog_1230_li=The table name was missing in the documentation of CREATE INDEX.
changelog_1230_li=H2 Console\:stack traces are now links to the source code in the source repository (H2 database only).
changelog_1231_li=Better support for IKVM (www.ikvm.net)\:the H2 Console now opens a browser window.
changelog_1231_li=CHAR data type equals comparison was case insensitive instead of case sensitive.
changelog_1232_li=The cache size was not correctly calculated for tables with large objects (specially if compression is used). This could lead to out-of-memory exceptions.
changelog_1232_li=The exception 'Value too long for column' now includes the data.
changelog_1233_li=The exception "Hexadecimal string contains non-hex character" was not always thrown when it should have been. Fixed.
changelog_1233_li=The table name was missing in the documentation of CREATE INDEX.
changelog_1234_li=The H2 Console now provides a link to the documentation when an error occurs (H2 databases only so far).
changelog_1234_li=Better support for IKVM (www.ikvm.net)\:the H2 Console now opens a browser window.
changelog_1235_li=The acting as PostgreSQL server, when a base directory was set, and the H2 Console was started as well, the base directory was applied twice.
changelog_1235_li=The cache size was not correctly calculated for tables with large objects (specially if compression is used). This could lead to out-of-memory exceptions.
changelog_1236_li=Calling EXTRACT(HOUR FROM ...) or EXTRACT(HH FROM ...) returned the wrong values (0 to 11 instead of 0 to 23). All other tested databases return values from 0 to 23. Please check if your application relies on the old behavior before upgrading.
changelog_1236_li=The exception "Hexadecimal string contains non-hex character" was not always thrown when it should have been. Fixed.
changelog_1237_li=For compatibility with other databases the column default (COLUMN_DEF) for columns without default is now null (it was an empty string).
changelog_1237_li=The H2 Console now provides a link to the documentation when an error occurs (H2 databases only so far).
changelog_1238_li=Statements that contain very large subqueries (where the subquery result does not fit in memory) are now faster.
changelog_1238_li=The acting as PostgreSQL server, when a base directory was set, and the H2 Console was started as well, the base directory was applied twice.
changelog_1239_li=Variables\:large objects (CLOB and BLOB) that don't fit in memory did not work correctly when used as variables.
changelog_1239_li=Calling EXTRACT(HOUR FROM ...) or EXTRACT(HH FROM ...) returned the wrong values (0 to 11 instead of 0 to 23). All other tested databases return values from 0 to 23. Please check if your application relies on the old behavior before upgrading.
changelog_1240_li=Fulltext search is now supported in named in-memory databases.
changelog_1240_li=For compatibility with other databases the column default (COLUMN_DEF) for columns without default is now null (it was an empty string).
changelog_1241_li=H2 Console\:multiple consecutive spaces in the setting name did not work. Fixed.
changelog_1241_li=Statements that contain very large subqueries (where the subquery result does not fit in memory) are now faster.
changelog_1242_h2=Version 1.0.65 (2008-01-18)
changelog_1242_li=Variables\:large objects (CLOB and BLOB) that don't fit in memory did not work correctly when used as variables.
changelog_1243_li=The build (ant) now automatically switches the source code to the correct version (JDK 1.4/1.5 or 1.6).
changelog_1243_li=Fulltext search is now supported in named in-memory databases.
changelog_1244_li=A recovery bug has been fixed. With older versions, it was necessary to add ;RECOVER\=1 to the database URL in cases where it should not have been required.
changelog_1244_li=H2 Console\:multiple consecutive spaces in the setting name did not work. Fixed.
changelog_1245_li=The performance for DROP and DROP ALL OBJECTS has been improved.
changelog_1245_h2=Version 1.0.65 (2008-01-18)
changelog_1246_li=The ChangePassword API has been improved.
changelog_1246_li=The build (ant) now automatically switches the source code to the correct version (JDK 1.4/1.5 or 1.6).
changelog_1247_li=User defined variables are now supported. Examples\:SET @VAR\=10;CALL @VAR. This can be used for running totals as in\:select x, set(@t, ifnull(@t, 0) + x) from system_range(1, 10)
changelog_1247_li=A recovery bug has been fixed. With older versions, it was necessary to add ;RECOVER\=1 to the database URL in cases where it should not have been required.
changelog_1248_li=The Ukrainian translation has been improved.
changelog_1248_li=The performance for DROP and DROP ALL OBJECTS has been improved.
changelog_1249_li=CALL statements can now be used in batch updates and called using Statement.executeUpdate.
changelog_1249_li=The ChangePassword API has been improved.
changelog_1250_li=New read-only setting CREATE_BUILD (the build number of the database engine that created the database).
changelog_1250_li=User defined variables are now supported. Examples\:SET @VAR\=10;CALL @VAR. This can be used for running totals as in\:select x, set(@t, ifnull(@t, 0) + x) from system_range(1, 10)
changelog_1251_li=The optimizer did not use multi column indexes for range queries in some cases. Fixed.
changelog_1251_li=The Ukrainian translation has been improved.
changelog_1252_li=The H2 Console now calls DataSource.getConnection() instead of DataSource.getConnection(user, password) when user name and password are not specified.
changelog_1252_li=CALL statements can now be used in batch updates and called using Statement.executeUpdate.
changelog_1253_li=The bind IP address can now be set when using multi-homed host (if multiple network adapters are available) using the system property h2.bindAddress.
changelog_1253_li=New read-only setting CREATE_BUILD (the build number of the database engine that created the database).
changelog_1254_li=Batch update\:Calling BatchUpdateException.printStackTrace() could result in out of memory. Fixed.
changelog_1254_li=The optimizer did not use multi column indexes for range queries in some cases. Fixed.
changelog_1255_li=Indexes of unique or foreign constraints where not dropped when the constraint was dropped after altering the table (for example dropping a column). Fixed.
changelog_1255_li=The H2 Console now calls DataSource.getConnection() instead of DataSource.getConnection(user, password) when user name and password are not specified.
changelog_1256_li=The performance for large result sets in the server mode has been improved.
changelog_1256_li=The bind IP address can now be set when using multi-homed host (if multiple network adapters are available) using the system property h2.bindAddress.
changelog_1257_li=The setting h2.serverSmallResultSetSize has been renamed to h2.serverResultSetFetchSize.
changelog_1257_li=Batch update\:Calling BatchUpdateException.printStackTrace() could result in out of memory. Fixed.
changelog_1258_li=The SCRIPT command now uses multi-row insert statements to save space except if the option SIMPLE is used.
changelog_1258_li=Indexes of unique or foreign constraints where not dropped when the constraint was dropped after altering the table (for example dropping a column). Fixed.
changelog_1259_li=The SCRIPT command did not split up CLOB data correctly. Fixed.
changelog_1259_li=The performance for large result sets in the server mode has been improved.
changelog_1260_li=Optimization for single column distinct queries with an index\:select distinct name from test. Can be disabled by setting the system property h2.optimizeDistinct to false.
changelog_1260_li=The setting h2.serverSmallResultSetSize has been renamed to h2.serverResultSetFetchSize.
changelog_1261_li=DROP ALL OBJECTS did not drop user defined aggregate functions and domains.
changelog_1261_li=The SCRIPT command now uses multi-row insert statements to save space except if the option SIMPLE is used.
changelog_1262_li=PostgreSQL compatibility\:COUNT(T.*) is now supported.
changelog_1262_li=The SCRIPT command did not split up CLOB data correctly. Fixed.
changelog_1263_li=LIKE comparisons are now faster.
changelog_1263_li=Optimization for single column distinct queries with an index\:select distinct name from test. Can be disabled by setting the system property h2.optimizeDistinct to false.
changelog_1264_li=Encrypted databases are now faster.
changelog_1264_li=DROP ALL OBJECTS did not drop user defined aggregate functions and domains.
changelog_1265_h2=Version 1.0.64 (2007-12-27)
changelog_1265_li=PostgreSQL compatibility\:COUNT(T.*) is now supported.
changelog_1266_li=3-way union queries with prepared statement or views could return the wrong results. Fixed.
changelog_1266_li=LIKE comparisons are now faster.
changelog_1267_li=The PostgreSQL ODBC driver did not work in the last release due to a parser regression. Fixed.
changelog_1267_li=Encrypted databases are now faster.
changelog_1268_li=CSV tool\:some escape/separator character combinations did not work. Fixed.
changelog_1268_h2=Version 1.0.64 (2007-12-27)
changelog_1269_li=CSV tool\:the character \#could not be used as a separator when reading.
changelog_1269_li=3-way union queries with prepared statement or views could return the wrong results. Fixed.
changelog_1270_li=Recovery\:when the index file is corrupt, now the database deletes it and re-creates it automatically.
changelog_1270_li=The PostgreSQL ODBC driver did not work in the last release due to a parser regression. Fixed.
changelog_1271_li=The MVCC mode did not work well with in-memory databases. Fixed.
changelog_1271_li=CSV tool\:some escape/separator character combinations did not work. Fixed.
changelog_1272_li=The FTP server now supports a event listener. Thanks Fulvio Biondi for the help\!
changelog_1272_li=CSV tool\:the character \#could not be used as a separator when reading.
changelog_1273_li=New system function CANCEL_SESSION to cancel the currently executing statement of another session.
changelog_1273_li=Recovery\:when the index file is corrupt, now the database deletes it and re-creates it automatically.
changelog_1274_li=The database now supports an exclusive mode. In exclusive mode, new connections are rejected.
changelog_1274_li=The MVCC mode did not work well with in-memory databases. Fixed.
changelog_1275_li=H2 Console\:when editing result sets, columns can now be set to null. The text 'null' must be escaped using '\=null'.
changelog_1275_li=The FTP server now supports a event listener. Thanks Fulvio Biondi for the help\!
changelog_1276_li=New built-in functions RPAD and LPAD.
changelog_1276_li=New system function CANCEL_SESSION to cancel the currently executing statement of another session.
changelog_1277_li=New meta data table INFORMATION_SCHEMA.SESSIONS and LOCKS to get information about active connections and locks. Admins will see all connections, non-admins only their own session.
changelog_1277_li=The database now supports an exclusive mode. In exclusive mode, new connections are rejected.
changelog_1278_li=The Ukrainian translation was not working in the last release. Fixed.
changelog_1278_li=H2 Console\:when editing result sets, columns can now be set to null. The text 'null' must be escaped using '\=null'.
changelog_1279_li=Creating many tables (many hundreds) was slow. Fixed.
changelog_1279_li=New built-in functions RPAD and LPAD.
changelog_1280_li=Opening a database with many indexes (thousands) was slow. Fixed.
changelog_1280_li=New meta data table INFORMATION_SCHEMA.SESSIONS and LOCKS to get information about active connections and locks. Admins will see all connections, non-admins only their own session.
changelog_1281_li=H2 Console / autocomplete\:Ctrl+Space now shows the list in all modes.
changelog_1281_li=The Ukrainian translation was not working in the last release. Fixed.
changelog_1282_li=The method Trigger.init has been changed\:the parameters 'before' and 'type', have been added to the init method.
changelog_1282_li=Creating many tables (many hundreds) was slow. Fixed.
changelog_1283_li=The performance has been improved for ResultSet methods with column name.
changelog_1283_li=Opening a database with many indexes (thousands) was slow. Fixed.
changelog_1284_li=A stack trace was thrown if the system did not provide a quick secure random source and if there is no network or the network settings are not configured. Fixed.
changelog_1284_li=H2 Console / autocomplete\:Ctrl+Space now shows the list in all modes.
changelog_1285_li=The H2 Console has been translated to Turkish. Thanks a lot to Ridvan Agar\!
changelog_1285_li=The method Trigger.init has been changed\:the parameters 'before' and 'type', have been added to the init method.
changelog_1286_li=Improved debugging support\:toString methods of most object now return a meaningful text.
changelog_1286_li=The performance has been improved for ResultSet methods with column name.
changelog_1287_li=The classes DbStarter and WebServlet have been moved to src/main.
changelog_1287_li=A stack trace was thrown if the system did not provide a quick secure random source and if there is no network or the network settings are not configured. Fixed.
changelog_1288_li=The column INFORMATION_SCHEMA.TRIGGERS.SQL now contains the CREATE TRIGGER statement.
changelog_1288_li=The H2 Console has been translated to Turkish. Thanks a lot to Ridvan Agar\!
changelog_1289_li=Loading classes and calling methods can be restricted using the new system property h2.allowedClasses.
changelog_1289_li=Improved debugging support\:toString methods of most object now return a meaningful text.
changelog_1290_li=The database could not be used in Java applets due to security exceptions. Fixed.
changelog_1290_li=The classes DbStarter and WebServlet have been moved to src/main.
changelog_1291_h2=Version 1.0.63 (2007-12-02)
changelog_1291_li=The column INFORMATION_SCHEMA.TRIGGERS.SQL now contains the CREATE TRIGGER statement.
changelog_1292_li=The SecurePassword example has been improved.
changelog_1292_li=Loading classes and calling methods can be restricted using the new system property h2.allowedClasses.
changelog_1293_li=In time zones where the summer time saving limit is at midnight, some dates do not work in some virtual machines, for example 2007-10-14 in Chile, using the Sun JVM 1.6.0_03-b05. Fixed.
changelog_1293_li=The database could not be used in Java applets due to security exceptions. Fixed.
changelog_1294_li=The native fulltext search was not working properly after re-connecting.
changelog_1294_h2=Version 1.0.63 (2007-12-02)
changelog_1295_li=Improved FTP server\:now the PORT command is supported.
changelog_1295_li=The SecurePassword example has been improved.
changelog_1296_li=Temporary views (FROM(...)) with UNION didn't work if nested. Fixed.
changelog_1296_li=In time zones where the summer time saving limit is at midnight, some dates do not work in some virtual machines, for example 2007-10-14 in Chile, using the Sun JVM 1.6.0_03-b05. Fixed.
changelog_1297_li=Performance optimization for IN(...) and IN(SELECT...), currently disabled by default. To enable, use java -Dh2.optimizeInJoin\=true
changelog_1297_li=The native fulltext search was not working properly after re-connecting.
changelog_1298_li=The H2 Console has been translated to Ukrainian by Igor Dobrovolskyi. Thanks a lot\!
changelog_1298_li=Improved FTP server\:now the PORT command is supported.
changelog_1299_li=New function TABLE_DISTINCT.
changelog_1299_li=Temporary views (FROM(...)) with UNION didn't work if nested. Fixed.
changelog_1300_li=Using LIMIT with values close to Integer.MAX_VALUE didn't work correctly.
changelog_1300_li=Performance optimization for IN(...) and IN(SELECT...), currently disabled by default. To enable, use java -Dh2.optimizeInJoin\=true
changelog_1301_li=Certain setting in the Server didn't work (http\://code.google.com/p/h2database/issues/detail?id\=7).
changelog_1301_li=The H2 Console has been translated to Ukrainian by Igor Dobrovolskyi. Thanks a lot\!
changelog_1302_h2=Version 1.0.62 (2007-11-25)
changelog_1302_li=New function TABLE_DISTINCT.
changelog_1303_li=Large updates and deletes are now supported by buffering data to disk if required. The threshold is currently set to 100'000 bytes and can be changed using SET MAX_OPERATION_MEMORY or using by appending ;MAX_OPERATION_MEMORY\=.. to the database URL. See also the docs.
changelog_1303_li=Using LIMIT with values close to Integer.MAX_VALUE didn't work correctly.
changelog_1304_li=MVCC\:now an exception is thrown when an application tries to change the MVCC setting while the database is already open.
changelog_1304_li=Certain setting in the Server didn't work (http\://code.google.com/p/h2database/issues/detail?id\=7).
changelog_1305_li=Referential integrity checks didn't lock the referenced table, and thus could read uncommitted rows of other connections. In that way the referential constraints could get violated (except when using MVCC).
changelog_1305_h2=Version 1.0.62 (2007-11-25)
changelog_1306_li=Renaming or dropping a user with a schema, or removing the admin property of that user made the schema inaccessible after re-opening the database. Fixed.
changelog_1306_li=Large updates and deletes are now supported by buffering data to disk if required. The threshold is currently set to 100'000 bytes and can be changed using SET MAX_OPERATION_MEMORY or using by appending ;MAX_OPERATION_MEMORY\=.. to the database URL. See also the docs.
changelog_1307_li=The H2 Console now also support the command line option -ifExists when started from the Server tool, but only when connecting to H2 databases.
changelog_1307_li=MVCC\:now an exception is thrown when an application tries to change the MVCC setting while the database is already open.
changelog_1308_li=Duplicate column names were not detected when renaming columns. Fixed.
changelog_1308_li=Referential integrity checks didn't lock the referenced table, and thus could read uncommitted rows of other connections. In that way the referential constraints could get violated (except when using MVCC).
changelog_1309_li=The console did not display multiple embedded spaces in text correctly. Fixed.
changelog_1309_li=Renaming or dropping a user with a schema, or removing the admin property of that user made the schema inaccessible after re-opening the database. Fixed.
changelog_1310_li=Google Android support\:use 'ant codeswitchAndroid' to switch the source code to Android.
changelog_1310_li=The H2 Console now also support the command line option -ifExists when started from the Server tool, but only when connecting to H2 databases.
changelog_1311_li=Values of type ARRAY are now sorted as in PostgreSQL.
changelog_1311_li=Duplicate column names were not detected when renaming columns. Fixed.
changelog_1312_li=In the cluster mode, could not connect if only one server was running (last release only). Fixed.
changelog_1312_li=The console did not display multiple embedded spaces in text correctly. Fixed.
changelog_1313_li=The performance of large CSV operations has been improved.
changelog_1313_li=Google Android support\:use 'ant codeswitchAndroid' to switch the source code to Android.
changelog_1314_li=Now using custom toString() for most JDBC objects and commands.
changelog_1314_li=Values of type ARRAY are now sorted as in PostgreSQL.
changelog_1315_li=Nested temporary views (SELECT * FROM (SELECT ...)) with parameters didn't work in some cases. Fixed.
changelog_1315_li=In the cluster mode, could not connect if only one server was running (last release only). Fixed.
changelog_1316_li=CSV\:Using an empty field delimiter didn't work (a workaround was using char(0)). Fixed.
changelog_1316_li=The performance of large CSV operations has been improved.
changelog_1317_li=A patch for Apache DDL Utils is available at https\://issues.apache.org/jira/browse/DDLUTILS-185
changelog_1317_li=Now using custom toString() for most JDBC objects and commands.
changelog_1318_li=The default value for h2.emergencySpaceInitial is now 256 KB (to speed up creating encrypted databases)
changelog_1318_li=Nested temporary views (SELECT * FROM (SELECT ...)) with parameters didn't work in some cases. Fixed.
changelog_1319_li=Eduardo Velasques has translated the H2 Console and the error messages to Brazilian Portuguese. Thanks a lot\!
changelog_1319_li=CSV\:Using an empty field delimiter didn't work (a workaround was using char(0)). Fixed.
changelog_1320_li=Creating a table from GROUP_CONCAT didn't work if the data was longer than 255 characters
changelog_1320_li=A patch for Apache DDL Utils is available at https\://issues.apache.org/jira/browse/DDLUTILS-185
changelog_1321_li=The default value for h2.emergencySpaceInitial is now 256 KB (to speed up creating encrypted databases)
changelog_1322_li=Eduardo Velasques has translated the H2 Console and the error messages to Brazilian Portuguese. Thanks a lot\!
changelog_1323_li=Creating a table from GROUP_CONCAT didn't work if the data was longer than 255 characters
