提交 d0f7074a authored 作者: Thomas Mueller's avatar Thomas Mueller

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上级 db2c6dd5
......@@ -123,7 +123,7 @@ See <a href="advanced.html#limits_limitations">Limits and Limitations</a>.
<br /><a name="reliable"></a>
<h3>Is it Reliable?</h3>
<p>
Some users have reported that after a power failure, the database can sometimes not be
Some users have reported that after a power failure, the database can sometimes not be
opened because the index file is corrupt. In that case, the index file can be deleted
(it is automatically re-created). To avoid this, append ;LOG=2 to the database URL.
See also: <a href="grammar.html#set_log">SET LOG</a>. This problem will be solved
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......@@ -82,6 +82,7 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Improve recovery: improve code for log recovery problems (less try/catch)
</li><li>Index usage for (ID, NAME)=(1, 'Hi'); document
</li><li>Make DDL (Data Definition) operations transactional
</li><li>RANK() and DENSE_RANK(), Partition using OVER()
</li><li>Suggestion: include Jetty as Servlet Container (like LAMP)
</li><li>Trace shipping to server
</li><li>Version check: docs / web console (using Javascript), and maybe in the library (using TCP/IP)
......@@ -124,7 +125,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Maybe use the 0x1234 notation for binary fields, see MS SQL Server
</li><li>Support Oracle CONNECT BY in some way: http://www.adp-gmbh.ch/ora/sql/connect_by.html, http://philip.greenspun.com/sql/trees.html
</li><li>SQL Server 2005, Oracle: support COUNT(*) OVER(). See http://www.orafusion.com/art_anlytc.htm
</li><li>RANK() and DENSE_RANK(), Partition using OVER()
</li><li>SQL 2003 (http://www.wiscorp.com/sql_2003_standard.zip)
</li><li>Version column (number/sequence and timestamp based)
</li><li>Optimize getGeneratedKey: send last identity after each execute (server).
......@@ -180,7 +180,7 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Make sure H2 is supported by Execute Query: http://executequery.org/
</li><li>Read InputStream when executing, as late as possible (maybe only embedded mode). Problem with re-execute.
</li><li>Native fulltext search: min word length; store word positions
</li><li>Store dates in local time zone (portability of database files)
</li><li>[Requires page store] Store dates in local time zone (portability of database files)
</li><li>Recursive Queries (see details)
</li><li>Add an option to the SCRIPT command to generate only portable / standard SQL
</li><li>Test Dezign for Databases (http://www.datanamic.com)
......@@ -445,6 +445,9 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Optimize A=? OR B=? to UNION if the cost is lower.
</li><li>More secure default configuration if remote access is enabled.
</li><li>Optimization for EXISTS: convert to inner join if possible.
</li><li>Improve database file locking (maybe use native file locking). The current approach seems to be problematic
if the file system is on a remote share (see Google Group 'Lock file modification time is in the future').
</li><li>Document internal features such as BELONGS_TO_TABLE, NULL_TO_DEFAULT, SEQUENCE.
</li></ul>
<h2>Not Planned</h2>
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......@@ -609,4 +609,5 @@ iaload getstatic ifle iand decompiling isub ifgt dreturn iushr aaload aload
lrem lstore monitorexit lmul monitorenter fadd interpreting ishl istore dcmpg
daload dstore saload anewarray tableswitch lushr ladd lshr lreturn acmpne
locals multianewarray icmpne fneg faload ifeq decompiler zeroes forgot
modern slight boost characteristics significantly gae vfs
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modern slight boost characteristics significantly gae vfs centrally ten
approach risky
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