提交 c679ee07 authored 作者: Thomas Mueller's avatar Thomas Mueller

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上级 38efd2c5
...@@ -18,7 +18,13 @@ Change Log ...@@ -18,7 +18,13 @@ Change Log
<h1>Change Log</h1> <h1>Change Log</h1>
<h2>Next Version (unreleased)</h2> <h2>Next Version (unreleased)</h2>
<ul><li>If the database was already closed using SHUTDOWN IMMEDIATELY, closing a second <ul><li>The DeleteDbFiles tool deleted all files in the .lob.db directory,
even files that didn't belong to the database.
</li><li>Automatic conversion of old databases to the page store format failed
if the database contained LOB files.
</li><li>Nested subqueries didn't work for INSERT INTO and IN(..).
Example: insert into test ((select 1));
</li><li>If the database was already closed using SHUTDOWN IMMEDIATELY, closing a second
connection could throw a NullPointerException if there was a local temporary table. connection could throw a NullPointerException if there was a local temporary table.
</li><li>Less classes are loaded when using the database in embedded mode. </li><li>Less classes are loaded when using the database in embedded mode.
</li><li>The information schema tables are only initialized when needed. </li><li>The information schema tables are only initialized when needed.
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...@@ -475,12 +475,14 @@ See also <a href="build.html#providing_patches">Providing Patches</a>. ...@@ -475,12 +475,14 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Support TRUNCATE for linked tables. </li><li>Support TRUNCATE for linked tables.
</li><li>UNION: evaluate INTERSECT before UNION (like most other database except Oracle). </li><li>UNION: evaluate INTERSECT before UNION (like most other database except Oracle).
</li><li>Delay creating the information schema, and share metadata columns. </li><li>Delay creating the information schema, and share metadata columns.
</li><li>TCP Server: use a nonce (number used once) to protect unencrypted channels against replay attacks.
</li></ul> </li></ul>
<h2>Not Planned</h2> <h2>Not Planned</h2>
<ul> <ul>
<li>HSQLDB (did) support this: select id i from test where i&lt;0 (other databases don't). Supporting it may break compatibility. <li>HSQLDB (did) support this: select id i from test where i&lt;0 (other databases don't). Supporting it may break compatibility.
</li><li>String.intern (so that Strings can be compared with ==) will not be used because some VMs have problems when used extensively. </li><li>String.intern (so that Strings can be compared with ==) will not be used because some VMs have problems when used extensively.
</li><li>In prepared statements, identifier names (table names and so on) can not be parameterized. Adding such a feature would complicate the souce code without providing reasonable speedup, and would slow down regular prepared statements.
</li></ul> </li></ul>
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...@@ -299,6 +299,8 @@ java org.h2.test.TestAll timer ...@@ -299,6 +299,8 @@ java org.h2.test.TestAll timer
/* /*
documentation and resources: utf-8
power failure test: larger binaries and additional indexes power failure test: larger binaries and additional indexes
(with many columns). (with many columns).
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