提交 f2578a29 authored 作者: Thomas Mueller's avatar Thomas Mueller

Documentation.

上级 3635c4e1
...@@ -152,8 +152,9 @@ script (including insert statements) is written to this file, and a result set ...@@ -152,8 +152,9 @@ script (including insert statements) is written to this file, and a result set
without the insert statements is returned. When using encryption, only DEFLATE without the insert statements is returned. When using encryption, only DEFLATE
and LZF are supported (LZF is faster but uses more space). and LZF are supported (LZF is faster but uses more space).
This command locks objects while it is running. The password must be in The password must be in single quotes; it is case sensitive and can contain spaces.
single quotes; it is case sensitive and can contain spaces.
This command locks objects while it is running.
"," ","
SCRIPT NODATA SCRIPT NODATA
" "
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...@@ -52,6 +52,8 @@ Change Log ...@@ -52,6 +52,8 @@ Change Log
<h2>Version 1.2.137 (2010-06-06)</h2> <h2>Version 1.2.137 (2010-06-06)</h2>
<ul><li>Statements with a nested query and a condition that was always NULL threw an <ul><li>Statements with a nested query and a condition that was always NULL threw an
IndexOutOfBoundsException. Example: select * from (select null as x) where x=1 IndexOutOfBoundsException. Example: select * from (select null as x) where x=1
</li><li>The changes that were made to support large transactions also fixed a bug
with large transactions (when the undo log file size is larger than 2 GB).
</li><li>Experimental feature to support very large transactions (except when using MVCC). </li><li>Experimental feature to support very large transactions (except when using MVCC).
To enable, set the system property h2.largeTransactions to true. To enable, set the system property h2.largeTransactions to true.
If enabled, changes to tables without a primary key can be buffered to disk. If enabled, changes to tables without a primary key can be buffered to disk.
......
...@@ -250,7 +250,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -250,7 +250,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Remember the user defined data type (domain) of a column </li><li>Remember the user defined data type (domain) of a column
</li><li>Support Jackcess (MS Access databases) </li><li>Support Jackcess (MS Access databases)
</li><li>Built-in methods to write large objects (BLOB and CLOB): FILE_WRITE('test.txt', 'Hello World') </li><li>Built-in methods to write large objects (BLOB and CLOB): FILE_WRITE('test.txt', 'Hello World')
</li><li>MVCC: support transactionally consistent backups using SCRIPT.
</li><li>Improve time to open large databases (see mail 'init time for distributed setup') </li><li>Improve time to open large databases (see mail 'init time for distributed setup')
</li><li>Move Maven 2 repository from hsql.sf.net to h2database.sf.net </li><li>Move Maven 2 repository from hsql.sf.net to h2database.sf.net
</li><li>Java 1.5 tool: JdbcUtils.closeSilently(s1, s2,...) </li><li>Java 1.5 tool: JdbcUtils.closeSilently(s1, s2,...)
...@@ -342,8 +341,8 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -342,8 +341,8 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>CSV: currently # is a line comment and can start at any field. Make it optional. </li><li>CSV: currently # is a line comment and can start at any field. Make it optional.
</li><li>Finer granularity for SLF4J trace - See http://code.google.com/p/h2database/issues/detail?id=62 </li><li>Finer granularity for SLF4J trace - See http://code.google.com/p/h2database/issues/detail?id=62
</li><li>Add database creation date and time to the database. </li><li>Add database creation date and time to the database.
</li><li>Support ASSERTIONS. </li><li>Support ASSERTION.
</li><li>Support multi-threaded kernel with multi-version concurrency. </li><li>MVCC: support multi-threaded kernel with multi-version concurrency.
</li><li>MySQL compatibility: support comparing 1='a' </li><li>MySQL compatibility: support comparing 1='a'
</li><li>Support PostgreSQL lock modes: http://www.postgresql.org/docs/8.3/static/explicit-locking.html </li><li>Support PostgreSQL lock modes: http://www.postgresql.org/docs/8.3/static/explicit-locking.html
</li><li>PostgreSQL compatibility: test DbVisualizer and Squirrel SQL using a new PostgreSQL JDBC driver. </li><li>PostgreSQL compatibility: test DbVisualizer and Squirrel SQL using a new PostgreSQL JDBC driver.
...@@ -509,6 +508,9 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -509,6 +508,9 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>DatabaseEventListener.openConnection(id) and closeConnection(id). </li><li>DatabaseEventListener.openConnection(id) and closeConnection(id).
</li><li>Compatibility for data type CHAR (Derby, HSQLDB). Issue 212. </li><li>Compatibility for data type CHAR (Derby, HSQLDB). Issue 212.
</li><li>Compatibility with MySQL TIMESTAMPDIFF. Issue 209. </li><li>Compatibility with MySQL TIMESTAMPDIFF. Issue 209.
</li><li>Optimizer: use a histogram of the data, specially for non-normal distributions.
</li><li>Trigger: allow declaring as source code (like functions).
</li><li>User defined aggregate: allow declaring as source code (like functions).
</li></ul> </li></ul>
<h2>Not Planned</h2> <h2>Not Planned</h2>
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...@@ -647,4 +647,4 @@ recorder grajciar recording slovensky uninitialized arriving lubomir unchanged ...@@ -647,4 +647,4 @@ recorder grajciar recording slovensky uninitialized arriving lubomir unchanged
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pengxiang china timestampadd picked pengxiang china timestampadd picked histogram
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