提交 df07f1a0 authored 作者: Thomas Mueller's avatar Thomas Mueller

Documentation.

上级 ea7c55c1
...@@ -2513,7 +2513,7 @@ RAND( [ int ] ) ...@@ -2513,7 +2513,7 @@ RAND( [ int ] )
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Calling the function without parameter returns the next a pseudo random number. Calling the function without parameter returns the next a pseudo random number.
Calling it with an parameter seeds the session's random number generator. Calling it with an parameter seeds the session's random number generator.
This method returns a double. This method returns a double between 0 (including) and 1 (excluding).
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RAND() RAND()
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...@@ -20,6 +20,8 @@ Change Log ...@@ -20,6 +20,8 @@ Change Log
<h2>Next Version (unreleased)</h2> <h2>Next Version (unreleased)</h2>
<ul><li>New experimental feature "SHUTDOWN DEFRAG". This option optimizes the page layout so <ul><li>New experimental feature "SHUTDOWN DEFRAG". This option optimizes the page layout so
that a full table scan is faster. that a full table scan is faster.
</li><li>When using the MULTI_THREADED option, concurrently reading from a database
(specially from a larger database, or when using a small cache size) could throw an exception.
</li><li>When adding a comment to a column that has a check constraint, </li><li>When adding a comment to a column that has a check constraint,
the database couldn't be re-opened. the database couldn't be re-opened.
</li><li>New system property h2.lobClientMaxSizeMemory to set the maximum size </li><li>New system property h2.lobClientMaxSizeMemory to set the maximum size
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...@@ -243,6 +243,7 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -243,6 +243,7 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Issue 146: Support merge join. </li><li>Issue 146: Support merge join.
</li><li>Integrate spatial functions from http://geosysin.iict.ch/irstv-trac/wiki/H2spatial/Download </li><li>Integrate spatial functions from http://geosysin.iict.ch/irstv-trac/wiki/H2spatial/Download
</li><li>Cluster: hot deploy (adding a node at runtime) </li><li>Cluster: hot deploy (adding a node at runtime)
</li><li>Support DatabaseMetaData.insertsAreDetected: updatable result sets should detect inserts.
</li><li>Support COSH, SINH, and TANH functions </li><li>Support COSH, SINH, and TANH functions
</li><li>Oracle: support DECODE method (convert to CASE WHEN). </li><li>Oracle: support DECODE method (convert to CASE WHEN).
</li><li>Native search: support "phrase search", wildcard search (* and ?), case-insensitive search, boolean operators, and grouping </li><li>Native search: support "phrase search", wildcard search (* and ?), case-insensitive search, boolean operators, and grouping
...@@ -318,7 +319,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -318,7 +319,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>H2 Console: support single file upload and directory download (optional). </li><li>H2 Console: support single file upload and directory download (optional).
</li><li>Document FTL_SEARCH, FTL_SEARCH_DATA. </li><li>Document FTL_SEARCH, FTL_SEARCH_DATA.
</li><li>Sequences: CURRVAL should be session specific. Compatibility with PostgreSQL. </li><li>Sequences: CURRVAL should be session specific. Compatibility with PostgreSQL.
</li><li>Support DatabaseMetaData.insertsAreDetected: updatable result sets should detect inserts.
</li><li>Auto-server: add option to define the IP address range or list. </li><li>Auto-server: add option to define the IP address range or list.
</li><li>Index creation using deterministic functions. </li><li>Index creation using deterministic functions.
</li><li>Support DELETE with TOP or LIMIT. See also: http://dev.mysql.com/doc/refman/5.1/de/delete.html </li><li>Support DELETE with TOP or LIMIT. See also: http://dev.mysql.com/doc/refman/5.1/de/delete.html
...@@ -520,7 +520,10 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -520,7 +520,10 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>JaQu should support a DataSource and a way to create a Db object using a Connection (for multi-threaded usage with a connection pool). </li><li>JaQu should support a DataSource and a way to create a Db object using a Connection (for multi-threaded usage with a connection pool).
</li><li>Move table to a different schema (rename table to a different schema), possibly using ALTER TABLE ... SET SCHEMA ...; </li><li>Move table to a different schema (rename table to a different schema), possibly using ALTER TABLE ... SET SCHEMA ...;
</li><li>nioMapped file system: automatically fall back to regular (non mapped) IO if there is a problem (out of memory exception for example). </li><li>nioMapped file system: automatically fall back to regular (non mapped) IO if there is a problem (out of memory exception for example).
</li><li>Column as parameter of function table. Issue 228 </li><li>Column as parameter of function table. Issue 228.
</li><li>Support -webPassword to require a password to shutdown the H2 Console.
</li><li>Connection pool: detect ;AUTOCOMMIT=FALSE in the database URL, and if set,
disable autoconnect for all connections.
</li></ul> </li></ul>
<h2>Not Planned</h2> <h2>Not Planned</h2>
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...@@ -736,6 +736,7 @@ Fulltext search was not yet tested, however the native fulltext search should wo ...@@ -736,6 +736,7 @@ Fulltext search was not yet tested, however the native fulltext search should wo
Reasons to use H2 instead of SQLite are: Reasons to use H2 instead of SQLite are:
</p> </p>
<ul><li>Full Unicode support including UPPER() and LOWER() (unlike SQLite). <ul><li>Full Unicode support including UPPER() and LOWER() (unlike SQLite).
</li><li>Streaming API for BLOB and CLOB data.
</li><li>Fulltext search. </li><li>Fulltext search.
</li><li>Multiple connections. </li><li>Multiple connections.
</li><li>User defined functions, triggers. </li><li>User defined functions, triggers.
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