changelog.html 25.9 KB
Newer Older
1 2
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!--
Thomas Mueller's avatar
Thomas Mueller committed
3
Copyright 2004-2013 H2 Group. Multiple-Licensed under the H2 License, Version 1.0,
4 5
and under the Eclipse Public License, Version 1.0
(http://h2database.com/html/license.html).
6 7 8 9 10 11
Initial Developer: H2 Group
-->
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head><meta http-equiv="Content-Type" content="text/html;charset=utf-8" /><title>
Change Log
</title><link rel="stylesheet" type="text/css" href="stylesheet.css" />
12
<!-- [search] { -->
13 14 15
<script type="text/javascript" src="navigation.js"></script>
</head><body onload="frameMe();">
<table class="content"><tr class="content"><td class="content"><div class="contentDiv">
16
<!-- } -->
17 18

<h1>Change Log</h1>
19

20
<h2>Next Version (unreleased)</h2>
21 22
<ul><li>The profiler tool can now process files with full thread dumps.
</li><li>MVStore mode: the CLOB and BLOB storage was re-implemented and is
23
    now much faster than with the PageStore (which is still the default storage).
24 25 26 27
</li><li>MVStore mode: creating indexes is now much faster
    (in many cases faster than with the default PageStore).
</li><li>Various bugs in the MVStore storage and have been fixed,
    including a bug in the R-tree implementation.
28
</li><li>The method org.h2.expression.Function.getCost could throw a NullPointException.
29 30
</li><li>Storing LOBs in separate files (outside of the main database file)
    is no longer supported for new databases.
31
</li><li>Lucene 2 is no longer supported.
32
</li><li>Fix bug in calculating default MIN and MAX values for SEQUENCE.
Thomas Mueller's avatar
Thomas Mueller committed
33 34
</li></ul>

35
<h2>Version 1.3.175 (2014-01-18)</h2>
Thomas Mueller's avatar
Thomas Mueller committed
36 37
<ul><li>EXPLAIN was incorrect for queries with "ANY" or "SOME" conditions.
</li><li>CallableStatement with "out" parameters: running the same statement twice
38 39
    could result in an exception ("parameter not set").
</li><li>Union queries: duplicate rows could be returned if the sub-queries contained "order by".
40
</li><li>The GEOMETRY data type now works for user defined functions that return a result set.
41
</li><li>PostgreSQL compatibility: the PgServer was not working properly when the setting
42 43
    database_to_upper was set to false.
</li><li>JdbcDataSource: the methods setUrl and getUrl where added as aliases for setURL and getURL.
44 45
    This should solve problems with the HikariCP (Hikari connection pool).
</li><li>Issue 537: H2 Console: when loading the schema, incorrect JDBC calls where issued, which caused
46 47
    the exception "Column PRECISION not found".
</li><li>Improved Geometry processing (issue 535).
48
</li><li>The collation can now be set in the database URL, even if there are data tables,
49 50
    if the collection is the same as the current collation.
</li><li>Improved Oracle compatibility for CASE WHEN and DECODE.
51
</li><li>The statement "drop all objects" did not work if a table depends on a view via a constraint.
52
</li><li>Subqueries or views with "order by" an alias expression could not be executed
53 54
    due to a regression introduced in version 1.3.174.
</li><li>Issue 73: MySQL compatibility: support REPLACE, patch by Cemo Koc.
55
</li><li>The spatial index now works in MVCC mode when using the MVStore storage.
56
</li><li>MVStore: concurrency problems have been fixed.
57
    The API has been simplified.
58 59
</li><li>Improve error message when dropping an index that belongs to a constraint,
    specify constraint in error message.
60
</li><li>Issue 518: java.sql.Connection.commit() freezes after LOB modification with EXCLUSIVE connection
61 62
</li><li>Issue 517: Create or replace view statement has no effect on the others already existing JDBC connection
</li><li>Support 123L syntax as in Java; example: SELECT (2000000000L*2).
63
</li><li>Issue 520: Add support for sequence max value, min value and cycle, patch by Daniel Gredler.
64
</li><li>Issue 521: ScriptReader should implement Closeable
65
</li><li>Issue 524: RunScript.execute does not close its Statement, patch from Gaul.
66
</li><li>Add support for DB2 "WITH UR" clause, patch from litailang
67 68
</li><li>Added support for ON DUPLICATE KEY UPDATE like MySQL with the values() function to update with the value that
    was to be inserted. Patch from Jean-Francois Noel.
69
</li><li>Issue 522: Treat empty strings like NULL in Oracle compatibility mode, patch by Daniel Gredler.
70
</li><li>Issue 527: Oracle compatibility mode: incorrect scale behavior, patch by Daniel Gredler.
71
</li><li>Slightly reduce the memory cost of View metadata.
72
</li><li>Extend support of "GRANT ALTER ANY SCHEMA TO &lt;user&gt;" to allow grantee ability to manipulate tables
73
</li><li>Issue 532: Javadoc for ErrorCode.ROLES_AND_RIGHT_CANNOT_BE_MIXED looks wrong
74
</li><li>Issue 528: Add Oracle-compatible TO_CHAR function, patch by Daniel Gredler.
75
</li><li>Issue 534: CREATE ALIAS NOCACHE, Patch by Nicolas Fortin
76
</li><li>Fix an issue with storing Unicode surrogate pairs in CLOB columns.
77
</li><li>H2 console: add SHIFT+ENTER "run selected" functionality
78
</li><li>Fix bug in DB2 syntax "select * from test with ur", patch from litailang
79
</li><li>Fix bug in DROP ALL OBJECTS when dealing with inter-schema dependencies.
Thomas Mueller's avatar
Thomas Mueller committed
80 81 82
</li></ul>

<h2>Version 1.3.174 (2013-10-19)</h2>
83
<ul><li>LIRS cache: bugfix for caches that only contain non-resident entries.
84
</li><li>For in-memory databases, queries with a "group by" column that
85 86
    is also a hash index threw a RuntimeException.
</li><li>Improved error message for some syntax errors.
87
</li><li>File system abstraction: if used directly, some file systems did not work correctly
88 89
    with spliced byte buffers (the database engine doesn't use those).
</li><li>To use the MVStore storage engine (which is still work in progress), append
Thomas Mueller's avatar
Thomas Mueller committed
90 91 92
    ";mv_store=true" to the database URL. Using the MVTableEngine when creating the table
    is no longer recommended.
</li><li>To compile user defined functions, the javax.tools.JavaCompiler is now used if available,
Thomas Mueller's avatar
Thomas Mueller committed
93
    and no temporary files are created. This should solve problems when
Thomas Mueller's avatar
Thomas Mueller committed
94 95
    multiple H2 database concurrently compile the same user defined functions.
    To disable, system the system property "h2.javaSystemCompiler" to false.
Thomas Mueller's avatar
Thomas Mueller committed
96 97 98
</li><li>Concurrently creating function aliases in different databases
    could result in the exception "javac: file not found".
</li><li>The function "regexp_replace" threw the wrong kind of exception if the
Thomas Mueller's avatar
Thomas Mueller committed
99 100
    replacement string was invalid.
</li><li>A checkpoint is now done every MAX_LOG_SIZE / 2 instead of every
101
    MAX_LOG_SIZE, so that the transaction log doesn't grow as large.
102
</li><li>MVStore table engine: new setting "retention_time" to configure the
103 104
    time to retain old data. The default is 45 seconds.
</li><li>The method TableEngine.createTable() now returns a Table object.
105 106 107
</li><li>For read-only databases, for the trace level "debug",
    the trace info is written to the temp directory.
</li><li>Closing the file lock will now wait until the background thread is stopped.
Thomas Mueller's avatar
Thomas Mueller committed
108
</li><li>In version 1.3.172, a performance regression was introduced when
109
    fixing the issue 389 (when there is a multi-column primary key,
Thomas Mueller's avatar
Thomas Mueller committed
110 111 112 113
    H2 does not seem to always pick the right index). This was related to
    boosting an index that matches the "order by" column list
    (the wrong index was used in some cases).
</li><li>Improved spatial index and data type.
Thomas Mueller's avatar
Thomas Mueller committed
114
</li><li>Issue 467: OSGi Class Loader (ability to create reference to class
115
    in other ClassLoader, for example in another OSGi bundle).
116 117
</li><li>Queries "group by" that contain a subquery with an aggregate function
    returned the wrong result in some cases.
118
</li><li>Fix bug in unique and non-unique hash indexes which manifested as incorrect results
119 120
    when the search key was a different cardinal type from the table index key.
    e.g. where the one was INT and the other was LONG
121
</li><li>Bug: Changes to the database structure did not result
122
    in the Session query cache being invalidated.
123 124
</li><li>New feature from Davide Cavestro - allow using custom Java object serialization
    engines on a per-DB basis.
125
</li><li>When running the Recover tool on very large (&gt;6G) databases, some statistics were reported with
126
    negative numbers.
127
</li><li>Add a CONTAINS_UNCOMMITTED column to the SESSIONS metadata table, to allow detecting when rogue
128
    sessions are creating large transactions.
129
</li><li>Some small fixes to the GEOMETRY support, patches by Nicolas Fortin.
130
</li><li>The BNF tool and the autocomplete feature are exported in OSGi,
Thomas Mueller's avatar
Thomas Mueller committed
131
    which makes it possible for smart editors to do autocomplete. Patch from Nicolas Fortin.
132
</li><li>Fix DROP ALL OBJECTS and DROP SCHEMA in the presence of tables with computed column dependencies.
133 134
</li><li>Session-temporary LOB's could sometimes accumulate, increasing the size of the DB file until shutdown.
    Now they are cleared out at every commit.
noelgrandin's avatar
noelgrandin committed
135
</li><li>There was a bug where a hash index with more than one column would be silently converted to a regular index.
136 137 138
    It will now throw an exception.
</li><li>Query Statistics: new feature which stores the newest 100 SQL queries executed and their performance data.
    Useful for tracking down badly performing queries.
139
</li><li>Fix an LOB deadlock between reading and updating LOB columns.
140
</li><li>Support the JDBC DatabaseMetaData#getClientInfoProperties() method, in the sense of returning an empty result,
141
    in order to make WebSphere happy.
142 143
</li><li>Make Server#openBrowser respect the $BROWSER environment variable. Add "chromium" to the list of browsers tried.
    Patch from Felix Kaiser.
144
</li><li>Fix to org.h2.util.ScriptReader when handling unclosed block comments.
145 146
</li><li>Make org.h2.util.ScriptReader throw a better exception when handling broken scripts which generate
    extremely large statements.
147 148 149
</li><li>Fix bug with ALLOW_LITERALS=NONE,
    where the periodic analyze table on insert would throw an exception.
    A similar problem was fixed in the Console tool.
150
</li><li>Issue 510: Make org.h2.bnf public for consumption by external projects, patch by Nicolas Fortin
151
</li><li>Issue 509: Important fix on ValueGeometry, patch by Nicolas Fortin (with some tweaking)
152 153 154 155 156
    Make ValueGeometry#getDimensionCount more reliable.
    Add unit test to check for illegal ValueGeometry comparison
    Add unit test for conversion of Geometry object into Object
    Add optional export to MANIFEST.MF for JTS Geometry classes
    Validate that geometry values can be represented in WKB.
157
</li><li>Issue 506: RFE: Include Thread.getName() in case of a deadlock
158
</li><li>Adding support for "GRANT ALTER ANY SCHEMA TO &lt;user&gt;", patch by John Yates
Thomas Mueller's avatar
Thomas Mueller committed
159 160 161
</li></ul>

<h2>Version 1.3.173 (2013-07-28)</h2>
162 163
<ul><li>Support empty statements that just contains a comment.
</li><li>Server mode: if there was an error while reading from a LOB, the session was closed in some cases.
164
</li><li>Issue 463: Driver name and version are now the same in OsgiDataSourceFactory and JdbcDatabaseMetaData.
Thomas Mueller's avatar
Thomas Mueller committed
165
</li><li>JaQu: The data type VARCHAR is now (again) used for Strings
Thomas Mueller's avatar
Thomas Mueller committed
166
    (no longer TEXT, except when explicitly set).
Thomas Mueller's avatar
Thomas Mueller committed
167
</li><li>For in-memory databases, creating an index on a CLOB or BLOB column
Thomas Mueller's avatar
Thomas Mueller committed
168 169
    is no longer supported. This is to simplify the MVTableEngine.
</li><li>New column "information_schema.tables.row_count_estimate".
Thomas Mueller's avatar
Thomas Mueller committed
170
</li><li>Issue 468: trunc(timestamp) could return the wrong value (+12 hours), and trunc(number) throw a NullPointerException.
171
</li><li>The expression trunc(number) threw a NullPointerException.
Thomas Mueller's avatar
Thomas Mueller committed
172 173
</li><li>Fixed a deadlock when updating LOB's concurrently. See TestLob.testDeadlock2().
</li><li>Fixed a deadlock related to very large temporary result sets.
Thomas Mueller's avatar
Thomas Mueller committed
174
</li><li>Add "-list" command line option to Shell tool so that result-list-mode can be triggered when reading from a file.
Thomas Mueller's avatar
Thomas Mueller committed
175 176
</li><li>Issue 474: H2 MySQL Compatibility code fails to ignore "COMMENT" in CREATE TABLE, patch from Aaron Azeckoski.
</li><li>Issue 476: Broken link in jaqu.html
Thomas Mueller's avatar
Thomas Mueller committed
177 178 179 180 181 182 183 184 185 186 187
</li><li>Fix potential UTF8 encoding issue in org.h2.store.FileStore, reported by Juerg Spiess.
</li><li>Improve error message when check constraint is broken, test case from Gili (cowwoc).
</li><li>Improve error message when we have a unique constraint violation, displays the offending key in the error message.
</li><li>Issue 478: Support for "SHOW TRANSACTION ISOLATION LEVEL", patch from Andrew Franklin.
</li><li>Issue 475: PgServer: add support for CancelRequest, patch from Andrew Franklin.
</li><li>Issue 473: PgServer missing -key option, patch from Andrew Franklin.
</li><li>Issue 471: CREATE VIEW does not check user rights, patch from Andrew Franklin.
</li><li>Issue 477: PgServer binary transmission of query params is unimplemented, patch from Andrew Franklin.
</li><li>Issue 479: Support for SUBSTRING without a FROM condition, patch from Andrew Franklin.
</li><li>Issue 472: PgServer does not work with any recent Postgres JDBC driver, patch from Andrew Franklin.
</li><li>Add syntax for passing additional parameters into custom TableEngine implementations.
Thomas Mueller's avatar
Thomas Mueller committed
188
</li><li>Issue 480: Bugfix post issue 475, 477, patch from Andrew Franklin.
189
</li><li>Issue 481: Further extensions to PgServer to support better support PG JDBC, patch from Andrew Franklin.
190 191
</li><li>Add support for spatial datatype GEOMETRY.
</li><li>Add support for in-memory spatial index.
Thomas Mueller's avatar
Thomas Mueller committed
192 193
</li><li>change the PageStore#changeCount field from an int to a long,
    to cope with databases with very high transaction rates.
194
</li><li>Fix a NullPointerException when attempting to add foreign key reference to a view.
195
</li><li>Add sufficient ClientInfo support to our javax.sql.Connection implementation to make WebSphere happy.
196
</li><li>Issue 482: class LobStorageBackend$LobInputStream does not override the method InputStream.available().
Thomas Mueller's avatar
Thomas Mueller committed
197
</li><li>Fix corruption resulting from a mix of the "WRITE_DELAY=0" option
198
    and "SELECT DISTINCT" queries that don't fit in memory.
Thomas Mueller's avatar
Thomas Mueller committed
199
</li><li>Fix the combination of updating a table which contains an LOB,
200
    and reading from the LOB at the same time.
201
    Previously it would throw an exception, now it works.
202 203
</li><li>Issue 484: In the H2 Console tool, all schemas starting with "INFO" where hidden.
    Now they are hidden only if the database is not H2. Patch from "mgcodeact"/"cumer d"
Thomas Mueller's avatar
Thomas Mueller committed
204 205
</li><li>MySQL compatibility, support the "AUTO_INCREMENT=3" part of the CREATE TABLE statement.
</li><li>Issue 486: MySQL compatibility, support the "DEFAULT CHARSET" part of the CREATE TABLE statement.
206
</li><li>Issue 487: support the MySQL "SET foreign_key_checks = 0" command
207
</li><li>Issue 490: support MySQL "USING BTREE" index declaration
208
</li><li>Issue 485: Database get corrupted when column is renamed for which check constraint was defined inside create table statement.
209
</li><li>Issue 499: support MySQL "UNIQUE KEY (ID) USING BTREE" constraint syntax
210
</li><li>Issue 501: "CREATE TABLE .. WITH" not serialized, patch from nico.devel
211
</li><li>Avoid problems with runtime-compiled ALIAS methods when people have set the JAVA_TOOL_OPTIONS environment variable.
Thomas Mueller's avatar
Thomas Mueller committed
212 213 214
</li></ul>

<h2>Version 1.3.172 (2013-05-25)</h2>
215 216 217
<ul><li>Referential integrity: when adding a referential integrity constraint failed,
    and if creating the constraint automatically created an index, this index was not removed.
</li><li>The auto-analyze feature now only reads 1000 rows per table instead of 10000.
218
</li><li>The optimization for IN(...) queries combined with OR could result
219 220
    in a strange exception of the type "column x must be included in the group by list".
</li><li>Issue 454: Use Charset for type-safety.
221
</li><li>Queries with both LIMIT and OFFSET could throw an IllegalArgumentException.
Thomas Mueller's avatar
Thomas Mueller committed
222
</li><li>MVStore: multiple issues were fixed: 460, 461, 462, 464, 466.
223
</li><li>MVStore: larger stores (multiple GB) are now much faster.
224
</li><li>When using local temporary tables and not dropping them manually before closing the session,
Thomas Mueller's avatar
Thomas Mueller committed
225 226
    and then killing the process could result in a database that couldn't be opened (except when using
    the recover tool).
Thomas Mueller's avatar
Thomas Mueller committed
227
</li><li>Support TRUNC(timestamp) for improved Oracle compatibility.
Thomas Mueller's avatar
Thomas Mueller committed
228
</li><li>Add support for CREATE TABLE TEST (ID BIGSERIAL) for PostgreSQL compatibility. Patch from Jesse Long.
229
</li><li>Add new collation command SET BINARY_COLLATION UNSIGNED, helps with people testing BINARY columns in MySQL mode.
230 231
</li><li>Issue 453: ABBA race conditions in TABLE LINK connection sharing.
</li><li>Issue 449: Postgres Serial data type should not automatically be marked as primary key
Thomas Mueller's avatar
Thomas Mueller committed
232
</li><li>Issue 406: Support "select h2version()"
233 234
</li><li>Issue 389: When there is a multi-column primary key, H2 does not seem to always pick the right index
</li><li>Issue 305: Implement SELECT ... FOR FETCH ONLY
235 236 237
</li><li>Issue 274: Sybase/MSSQLServer compatibility - Add GETDATE and CHARINDEX system functions
</li><li>Issue 274: Sybase/MSSQLServer compatibility - swap parameters of CONVERT function.
</li><li>Issue 274: Sybase/MSSQLServer compatibility - support index clause e.g. "select * from test (index table1_index)"
Thomas Mueller's avatar
Thomas Mueller committed
238 239
</li><li>Fix bug in Optimizing SELECT * FROM A WHERE X=1 OR X=2 OR X=3 into SELECT * FROM A WHERE X IN (1,2,3)
</li><li>Issue 442: Groovy patch for SourceCompiler (function ALIAS)
240
</li><li>Issue 459: Improve LOB documentation
Thomas Mueller's avatar
Thomas Mueller committed
241 242 243 244 245
</li></ul>

<h2>Version 1.3.171 (2013-03-17)</h2>
<ul><li>Security: the TCP server did not correctly restrict access rights of clients in some cases.
    This was specially a problem when using the flag "tcpAllowOthers".
Thomas Mueller's avatar
Thomas Mueller committed
246
</li><li>H2 Console: the session timeout can now be configured using the system property "h2.consoleTimeout".
Thomas Mueller's avatar
Thomas Mueller committed
247
</li><li>Issue 431: Improved compatibility with MySQL: support for
248
    "ENGINE=InnoDB charset=UTF8" when creating a table.
Thomas Mueller's avatar
Thomas Mueller committed
249
</li><li>Issue 249: Improved compatibility with MySQL in the MySQL mode:
250 251 252
    now the methods DatabaseMetaData methods stores*Case*Identifiers return the same as MySQL
    when using the MySQL mode.
</li><li>Issue 434: H2 Console didn't work in the Chrome browser
Thomas Mueller's avatar
Thomas Mueller committed
253 254
    due to a wrong viewport argument.
</li><li>There was a possibility that the .lock.db file was not deleted
255
    when the database was closed, which could slow down opening the database.
Thomas Mueller's avatar
Thomas Mueller committed
256
</li><li>The SQL script generated by the "script" command contained
257
    inconsistent newlines on Windows.
Thomas Mueller's avatar
Thomas Mueller committed
258
</li><li>When using trace level 4 (SLF4J) in the server mode, a directory "trace.db"
259
    and an empty file was created on the client side. This is no longer made.
260 261
</li><li>Optimize IN(...) queries: there was a bug in version 1.3.170
    if the type of the left hand side didn't match the type of the right hand side. Fixed.
262
</li><li>Optimize IN(...) queries: there was a bug in version 1.3.170 for comparison of the type
263 264
    "X IN(NULL, NULL)". Fixed.
</li><li>Timestamps with timezone that were passed as a string were not always
265 266 267 268
    converted correctly. For example "2012-11-06T23:00:00.000Z" was converted to
    "2012-11-06" instead of to "2012-11-07" in the timezone CET.
    Thanks a lot to Steve Hruda for reporting the problem!
</li><li>New table engine "org.h2.mvstore.db.MVTableEngine"
269 270 271 272 273 274
    that internally uses the MVStore to persist data.
    To try it out, append ";DEFAULT_TABLE_ENGINE=org.h2.mvstore.db.MVTableEngine"
    to the database URL.
    This is still very experimental, and many features are not supported yet.
    The data is stored in a file with the suffix ".mv.db".
</li><li>New connection setting "DEFAULT_TABLE_ENGINE" to use a specific
275
    table engine if none is set explicitly. This is to simplify testing
276
    the MVStore table engine.
277
</li><li>MVStore: encrypted stores are now supported.
278
    Only standardized algorithms are used: PBKDF2, SHA-256, XTS-AES, AES-128.
279
</li><li>MVStore: improved API thanks to Simo Tripodi.
280
</li><li>MVStore: maps can now be renamed.
281
</li><li>MVStore: store the file header also at the end of each chunk,
282 283
    which results in a further reduced number of write operations.
</li><li>MVStore: a map implementation that supports concurrent operations.
284
</li><li>MVStore: unified exception handling; the version is included in the messages.
285
</li><li>MVStore: old data is now retained for 45 seconds by default.
286 287 288 289 290
</li><li>MVStore: compress is now disabled by default, and can be enabled on request.
</li><li>Support ALTER TABLE ADD ... AFTER. Patch from Andrew Gaul (argaul at gmail.com). Fixes issue 401.
</li><li>Improved OSGi support. H2 now registers itself as a DataSourceFactory service. Fixes issue 365.
</li><li>Add a DISK_SPACE_USED system function. Fixes issue 270.
</li><li>Fix a compile-time ambiguity when compiling with JDK7, thanks to a patch from Lukas Eder.
291
</li><li>Supporting dropping an index for Lucene full-text indexes.
Thomas Mueller's avatar
Thomas Mueller committed
292
</li><li>Optimized performance for SELECT ... ORDER BY X LIMIT Y OFFSET Z
Thomas Mueller's avatar
Thomas Mueller committed
293
    queries for in-memory databases using partial sort (by Sergi Vladykin).
294
</li><li>Experimental off-heap memory storage engine "nioMemFS:" and "nioMemLZF:",
295
    suggestion from Mark Addleman.
Thomas Mueller's avatar
Thomas Mueller committed
296 297 298 299
</li><li>Issue 438: JdbcDatabaseMetaData.getSchemas() is no longer supported as of 1.3.169.
</li><li>MySQL compatibility: support for ALTER TABLE tableName MODIFY [COLUMN] columnName columnDef. Patch from Ville Koskela.
</li><li>Issue 404: SHOW COLUMNS FROM tableName does not work with ALLOW_LITERALS=NUMBERS.
</li><li>Throw an explicit error to make it clear we don't support the TRIGGER combination of SELECT and FOR EACH ROW.
300
</li><li>Issue 439: Utils.sortTopN does not handle single-element arrays.
Thomas Mueller's avatar
Thomas Mueller committed
301 302 303
</li></ul>

<h2>Version 1.3.170 (2012-11-30)</h2>
Thomas Mueller's avatar
Thomas Mueller committed
304 305 306 307 308 309
<ul><li>Issue 407: The TriggerAdapter didn't work with CLOB and BLOB columns.
</li><li>PostgreSQL compatibility: support for data types BIGSERIAL and SERIAL
    as an alias for AUTO_INCREMENT.
</li><li>Issue 417: H2 Console: the web session timeout didn't work, resulting in a memory leak.
    This was only a problem if the H2 Console was run for a long time and many sessions were opened.
</li><li>Issue 412: Running the Server tool with just the option "-browser" will now log a warning.
310
</li><li>Issue 411: CloseWatcher registration was not concurrency-safe.
Thomas Mueller's avatar
Thomas Mueller committed
311
</li><li>MySQL compatibility: support for CONCAT_WS.
312 313
    Thanks a lot to litailang for the patch!
</li><li>PostgreSQL compatibility: support for EXTRACT(WEEK FROM dateColumn).
314
    Thanks to Prashant Bhat for the patch!
noelgrandin's avatar
noelgrandin committed
315
</li><li>Fix for a bug where we would sometimes use the wrong unique constraint to validate foreign key constraints.
316
</li><li>Support BOM at the beginning of files for the RUNSCRIPT command
317
</li><li>Fix in calling SET @X = IDENTITY() where it would return NULL incorrectly
noelgrandin's avatar
noelgrandin committed
318
</li><li>Fix ABBA deadlock between adding a constraint and the H2-Log-Writer thread.
noelgrandin's avatar
noelgrandin committed
319
</li><li>Optimize IN(...) queries where the values are constant and of the same type.
320
</li><li>Restore tool: the parameter "quiet" was not used and is now removed.
321
</li><li>Fix ConcurrentModificationException when creating tables and executing SHOW TABLES in parallel. Reported by Viktor Voytovych.
322
</li><li>Serialization is now pluggable using the system property "h2.javaObjectSerializer". Thanks to Sergi Vladykin for the patch!
Thomas Mueller's avatar
Thomas Mueller committed
323 324 325
</li></ul>

<h2>Version 1.3.169 (2012-09-09)</h2>
326 327
<ul><li>The default jar file is now compiled for Java 6.
</li><li>The new jar file will probably not end up in the central Maven repository
Thomas Mueller's avatar
Thomas Mueller committed
328
    in the next few weeks because Sonatype has disabled automatic synchronization
329
    from SourceForge (which they call 'legacy sync' now).
Thomas Mueller's avatar
Thomas Mueller committed
330
    It will probably take some time until this is sorted out. The H2 jar files are deployed to
331 332 333 334
    http://h2database.com/m2-repo/com/h2database/h2/maven-metadata.xml
    and http://hsql.sourceforge.net/m2-repo/com/h2database/h2/maven-metadata.xml
    as usual.
</li><li>A part of the documentation and the H2 Console has been changed to support the Apple retina display.
335 336 337
</li><li>The CreateCluster tool could not be used if the source database contained a CLOB or BLOB.
    The root cause was that the TCP server did not synchronize on the session, which caused a problem
    when using the exclusive mode.
338
</li><li>Statement.getQueryTimeout(): only the first call to this method will query the database.
Thomas Mueller's avatar
Thomas Mueller committed
339
    If the query timeout was changed in another way than calling setQueryTimeout,
340 341 342
    this method will always return the last value. This was changed because Hibernate
    calls getQueryTimeout() a lot.
</li><li>Issue 416: PreparedStatement.setNString throws AbstractMethodError.
Thomas Mueller's avatar
Thomas Mueller committed
343
    All implemented JDBC 4 methods that don't break compatibility with Java 5
344 345
    are now included in the default jar file.
</li><li>Issue 414: for some functions, the parameters were evaluated twice
346
    (for example "char(nextval(..))" ran "nextval(..)" twice).
Thomas Mueller's avatar
Thomas Mueller committed
347
</li><li>The ResultSetMetaData methods getSchemaName and getTableName
348
    could return null instead of "" (an empty string) as specified in the JDBC API.
349 350
</li><li>Added compatibility for "SET NAMES" query in MySQL compatibility mode.</li>
</ul>
Thomas Mueller's avatar
Thomas Mueller committed
351 352

<h2>Version 1.3.168 (2012-07-13)</h2>
353 354
<ul><li>The message "Transaction log could not be truncated" was sometimes written
    to the .trace.db file even if there was no problem truncating the transaction log.
355
</li><li>New system property "h2.serializeJavaObject" (default: true) that allows to disable
356 357
    serializing Java objects, so that the objects compareTo and toString methods can be used.
</li><li>Dylan has translated the H2 Console tool to Korean. Thanks a lot!
Thomas Mueller's avatar
Thomas Mueller committed
358
</li><li>Executing the statement CREATE INDEX IF ALREADY EXISTS if the index already exists
Thomas Mueller's avatar
Thomas Mueller committed
359 360 361 362 363
    no longer fails for a read only database.
</li><li>MVCC: concurrently updating a row could result in the row to appear deleted in the second connection,
    if there are multiple unique indexes (or a primary key and at least one unique index).
    Thanks a lot to Teruo for the patch!
</li><li>Fulltext search: in-memory Lucene indexes are now supported.
364
</li><li>Fulltext search: UUID primary keys are now supported.
365
</li><li>Apache Tomcat 7.x will now longer log a warning when unloading the web application, if using a connection pool.
366
</li><li>H2 Console: support the Midori browser (for Debian / Raspberry Pi)
367
</li><li>When opening a remote session, don't open a temporary file if the trace level is set to zero
368
</li><li>Use HMAC for authenticating remote LOB id's, removing the need for maintaining a cache, and removing the limit
Thomas Mueller's avatar
Thomas Mueller committed
369
    on the number of LOBs per result set.
370 371
</li><li>H2 Console: HTML and XML documents can now be edited in an updatable result set.
    There is (limited) support for editing multi-line documents.
Thomas Mueller's avatar
Thomas Mueller committed
372 373
</li></ul>

374 375
<!-- [close] { --></div></td></tr></table><!-- } --><!-- analytics --></body></html>