提交 b682bd27 authored 作者: Thomas Mueller's avatar Thomas Mueller

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上级 19c497f0
...@@ -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>JaQu: the plan is to support natural (pure Java) conditions such as <ul><li>Better support GaeVFS (Google App Engine Virtual File System).
</li><li>JaQu: the plan is to support natural (pure Java) conditions such as
(id == 1 && name.equals("Test")). A proof of concept decompiler is now included (it doesn't work yet). (id == 1 && name.equals("Test")). A proof of concept decompiler is now included (it doesn't work yet).
</li><li>Various bugfixes and improvements in the page store mechanism (still experimental). </li><li>Various bugfixes and improvements in the page store mechanism (still experimental).
</li><li>PreparedStatement.setObject now converts a java.lang.Character to a string. </li><li>PreparedStatement.setObject now converts a java.lang.Character to a string.
...@@ -28,7 +29,7 @@ Change Log ...@@ -28,7 +29,7 @@ Change Log
</li><li>Issue 111: Multi-version concurrency / duplicate primary key after rollback. </li><li>Issue 111: Multi-version concurrency / duplicate primary key after rollback.
</li><li>Issue 110: Multi-version concurrency / wrong exception is thrown. </li><li>Issue 110: Multi-version concurrency / wrong exception is thrown.
</li><li>Parser: sequenceName.NEXTVAL and CURRVAL did not respect the schema search path. </li><li>Parser: sequenceName.NEXTVAL and CURRVAL did not respect the schema search path.
</li><li>The following sequence could throw the exception "Row not found when trying to delete": </li><li>Issue 101: The following sequence could throw the exception "Row not found when trying to delete":
start a transaction, insert many rows, delete many rows, rollback. The number of rows depends start a transaction, insert many rows, delete many rows, rollback. The number of rows depends
on the cache size. on the cache size.
</li><li>The stack trace of very common exceptions is no longer written to the .trace.db file by default. </li><li>The stack trace of very common exceptions is no longer written to the .trace.db file by default.
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...@@ -123,6 +123,13 @@ See <a href="advanced.html#limits_limitations">Limits and Limitations</a>. ...@@ -123,6 +123,13 @@ See <a href="advanced.html#limits_limitations">Limits and Limitations</a>.
<br /><a name="reliable"></a> <br /><a name="reliable"></a>
<h3>Is it Reliable?</h3> <h3>Is it Reliable?</h3>
<p> <p>
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
using the new 'page store' mechanism (currently experimental).
</p>
<p>
That is not easy to say. It is still a quite new product. A lot of tests have been written, That is not easy to say. It is still a quite new product. A lot of tests have been written,
and the code coverage of these tests is very high. Randomized stress tests and the code coverage of these tests is very high. Randomized stress tests
are run regularly. But there are probably still are run regularly. But there are probably still
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