提交 a91f180d authored 作者: Thomas Mueller's avatar Thomas Mueller

Documentation.

上级 4950ad40
...@@ -18,7 +18,8 @@ Change Log ...@@ -18,7 +18,8 @@ Change Log
<h1>Change Log</h1> <h1>Change Log</h1>
<h2>Next Version (unreleased)</h2> <h2>Next Version (unreleased)</h2>
<ul><li>Data modifications (inserts, updates, and deletes) are now up to 5 times faster <ul><li>EXPLAIN ANALYZE with an in-memory database threw an exception. Issue 216.
</li><li>Data modifications (inserts, updates, and deletes) are now up to 5 times faster
because converting objects to byte arrays is avoided if possible. because converting objects to byte arrays is avoided if possible.
</li><li>LOG=0 is now a bit faster (previously undo log entries were still written). </li><li>LOG=0 is now a bit faster (previously undo log entries were still written).
</li><li>The command line tools now say so if the source directory of an option doesn't exist. </li><li>The command line tools now say so if the source directory of an option doesn't exist.
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...@@ -125,6 +125,7 @@ spread the word, and translated this project. Also many thanks to the donors: ...@@ -125,6 +125,7 @@ spread the word, and translated this project. Also many thanks to the donors:
</li><li>Gray Watson, USA </li><li>Gray Watson, USA
</li><li>Erik Dick, Germany </li><li>Erik Dick, Germany
</li><li>Pengxiang Shao, China </li><li>Pengxiang Shao, China
</li><li>Bilingual Marketing Group, USA
</li></ul> </li></ul>
<!-- [close] { --></div></td></tr></table><!-- } --><!-- analytics --></body></html> <!-- [close] { --></div></td></tr></table><!-- } --><!-- analytics --></body></html>
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...@@ -48,8 +48,8 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -48,8 +48,8 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
<h2>Priority 2</h2> <h2>Priority 2</h2>
<ul><li>Improve test code coverage. <ul><li>Improve test code coverage.
</li><li>Access rights: remember the owner of an object. Create, alter and drop privileges. COMMENT: allow owner of object to change it. Issue 208. Access rights for schemas.
</li><li>Test multi-threaded in-memory db access. </li><li>Test multi-threaded in-memory db access.
</li><li>Access rights: remember the owner of an object. Create, alter and drop privileges. COMMENT: allow owner of object to change it. Issue 208.
</li><li>Full outer joins. </li><li>Full outer joins.
</li><li>Clustering: support mixed clustering mode (one embedded, others in server mode). </li><li>Clustering: support mixed clustering mode (one embedded, others in server mode).
</li><li>Clustering: reads should be randomly distributed (optional) or to a designated database on RAM (parameter: READ_FROM=3). </li><li>Clustering: reads should be randomly distributed (optional) or to a designated database on RAM (parameter: READ_FROM=3).
...@@ -509,6 +509,10 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -509,6 +509,10 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>PostgreSQL compatibility: support escape with double \\. </li><li>PostgreSQL compatibility: support escape with double \\.
</li><li>Document the TCP server "management_db". Maybe include the IP address of the client. </li><li>Document the TCP server "management_db". Maybe include the IP address of the client.
</li><li>Use javax.tools.JavaCompilerTool instead of com.sun.tools.javac.Main </li><li>Use javax.tools.JavaCompilerTool instead of com.sun.tools.javac.Main
</li><li>Common Table Expression (CTE): support INSERT INTO ... SELECT ... Issue 219.
</li><li>Support large GROUP BY operations. Issue 216.
</li><li>Common Table Expression (CTE): support non-recursive queries. Issue 217.
</li><li>Common Table Expression (CTE): avoid endless loop. Issue 218.
</li></ul> </li></ul>
<h2>Not Planned</h2> <h2>Not Planned</h2>
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...@@ -1164,7 +1164,7 @@ CALL TIMESTAMP '2008-01-01 12:00:00+01:00'; ...@@ -1164,7 +1164,7 @@ CALL TIMESTAMP '2008-01-01 12:00:00+01:00';
</pre> </pre>
<p> <p>
If the time zone is not set, the value is parsed using the current time zone setting of the system. If the time zone is not set, the value is parsed using the current time zone setting of the system.
Date and time information is stored in H2 database files in GMT (Greenwich Mean Time). Date and time information is stored in H2 database files in local time.
If the database is opened using another system time zone, the date and time will change accordingly. If the database is opened using another system time zone, the date and time will change accordingly.
If you want to move a database from one time zone to the other and don't want this to happen, If you want to move a database from one time zone to the other and don't want this to happen,
you need to create a SQL script file using the <code>SCRIPT</code> command or you need to create a SQL script file using the <code>SCRIPT</code> command or
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