提交 8000e8e9 authored 作者: Thomas Mueller's avatar Thomas Mueller

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上级 cde29719
...@@ -20,7 +20,7 @@ Change Log ...@@ -20,7 +20,7 @@ Change Log
<h2>Next Version (unreleased)</h2> <h2>Next Version (unreleased)</h2>
<ul><li>Optimizer: the expected runtime calculation was incorrect. The fixed calculation <ul><li>Optimizer: the expected runtime calculation was incorrect. The fixed calculation
should give slightly better query plans when using many joins. should give slightly better query plans when using many joins.
</li><li>Improved exception message when connecting to a just started server fails. </li><li>Improved exception message when connecting to a just started server fails.
</li><li>Connection.isValid is a bit faster. </li><li>Connection.isValid is a bit faster.
</li><li>H2 Console: The autocomplete feature has been improved a bit. It can now better </li><li>H2 Console: The autocomplete feature has been improved a bit. It can now better
parse conditions. parse conditions.
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...@@ -46,15 +46,15 @@ Frequently Asked Questions ...@@ -46,15 +46,15 @@ Frequently Asked Questions
Usually, bugs get fixes as they are found. There is a release every few weeks. Usually, bugs get fixes as they are found. There is a release every few weeks.
Here is the list of known and confirmed issues: Here is the list of known and confirmed issues:
</p> </p>
<ul><li>Tomcat and Glassfish 3 sets all static fields (final or non-final) to null when <ul><li>Tomcat and Glassfish 3 sets all static fields (final or non-final) to null when
unloading a web application. This can cause a NullPointerException in H2 versions unloading a web application. This can cause a NullPointerException in H2 versions
1.1.107 and older, and may still not work in newer versions. Please report it if you 1.1.107 and older, and may still not work in newer versions. Please report it if you
run into this issue. In Tomcat >= 6.0 this behavior can be disabled by setting the run into this issue. In Tomcat >= 6.0 this behavior can be disabled by setting the
system property org.apache.catalina.loader.WebappClassLoader.ENABLE_CLEAR_REFERENCES system property org.apache.catalina.loader.WebappClassLoader.ENABLE_CLEAR_REFERENCES
to false, however Tomcat may then run out of memory. A known workaround is to to false, however Tomcat may then run out of memory. A known workaround is to
put the h2.jar file in the <code>lib</code> directory. put the h2.jar file in the <code>lib</code> directory.
</li><li>Some problems have been found with right outer join. Internally, it is converted </li><li>Some problems have been found with right outer join. Internally, it is converted
to left outer join, which does not always produce the same results as other databases to left outer join, which does not always produce the same results as other databases
when used in combination with other joins. when used in combination with other joins.
</li><li>When using Install4j before 4.1.4 on Linux and enabling 'pack200', </li><li>When using Install4j before 4.1.4 on Linux and enabling 'pack200',
the h2*.jar becomes corrupted by the install process, causing application failure. the h2*.jar becomes corrupted by the install process, causing application failure.
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...@@ -243,7 +243,7 @@ Of course, patches are always welcome, but are not always applied as is. Patches ...@@ -243,7 +243,7 @@ Of course, patches are always welcome, but are not always applied as is. Patches
</li><li>Time based cache writing (one second after writing the log) </li><li>Time based cache writing (one second after writing the log)
</li><li>Check state of H2 driver for DDLUtils: https://issues.apache.org/jira/browse/DDLUTILS-185 </li><li>Check state of H2 driver for DDLUtils: https://issues.apache.org/jira/browse/DDLUTILS-185
</li><li>Index usage for REGEXP LIKE. </li><li>Index usage for REGEXP LIKE.
</li><li>Add a role DBA (like ADMIN). </li><li>Compatibility: add a role DBA (like ADMIN).
</li><li>Better support multiple processors for in-memory databases. </li><li>Better support multiple processors for in-memory databases.
</li><li>Access rights: remember the owner of an object. COMMENT: allow owner of object to change it. </li><li>Access rights: remember the owner of an object. COMMENT: allow owner of object to change it.
</li><li>Access rights: Finer grained access control (grant access for specific functions) </li><li>Access rights: Finer grained access control (grant access for specific functions)
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...@@ -626,7 +626,7 @@ public class SysProperties { ...@@ -626,7 +626,7 @@ public class SysProperties {
} }
/** /**
* INTERNAL * INTERNAL.
* System property <code>h2.scriptDirectory</code> (default: empty * System property <code>h2.scriptDirectory</code> (default: empty
* string).<br /> * string).<br />
* Relative or absolute directory where the script files are stored to or * Relative or absolute directory where the script files are stored to or
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...@@ -72,7 +72,7 @@ I am sorry to say that, but it looks like a corruption problem. I am very intere ...@@ -72,7 +72,7 @@ I am sorry to say that, but it looks like a corruption problem. I am very intere
- Is the application multi-threaded? - Is the application multi-threaded?
- What operating system, file system, and virtual machine - What operating system, file system, and virtual machine
(java -version) do you use? (java -version) do you use?
- Is it (or was it at some point) a networked file system? - Is it (or was it at some point) a networked file system?
- How big is the database (file sizes)? - How big is the database (file sizes)?
- Is the database usually closed normally, or is process terminated forcefully - Is the database usually closed normally, or is process terminated forcefully
or the computer switched off? or the computer switched off?
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