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https://issues.apache.org/jira/browse/DERBY-4754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-4754:
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Attachment: derby-4754-01-aa-harmonyLOBs.diff
Attaching derby-4754-01-aa-harmonyLOBs.diff. This patch needs to be cleaned up
a bit and I need to see what breaks when I run the regression tests.
This patch adds the Harmony SerialBlob and SerialClob implementations to Derby.
These are used as fallback implementations of Blob and Clob to be returned by
SQLBlob.getObject() and SQLClob.getObject() when those data values do not wrap
LOBs.
Touches the following files:
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M NOTICE
Thanks Harmony for its code.
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A java/engine/org/apache/derby/iapi/types/HarmonySerialBlob.java
A java/engine/org/apache/derby/iapi/types/HarmonySerialClob.java
The cloned Harmony code.
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M java/engine/org/apache/derby/iapi/types/SQLChar.java
M java/engine/org/apache/derby/iapi/types/SQLClob.java
Fixes SQLClob.getObject() so that it always returns a java.sql.Clob.
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M java/engine/org/apache/derby/iapi/types/SQLBlob.java
M java/engine/org/apache/derby/iapi/types/SQLBinary.java
Fixes SQLBlob.getObject() so that it always returns a java.sql.Blob.
> SQLClob.getObject() should always return a java.sql.Clob
> --------------------------------------------------------
>
> Key: DERBY-4754
> URL: https://issues.apache.org/jira/browse/DERBY-4754
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.6.1.0
> Reporter: Rick Hillegas
> Attachments: derby-4754-01-aa-harmonyLOBs.diff
>
>
> Depending on what SQLClob wraps (a string, a stream, a java.sql.Clob),
> SQLClob.getObject() sometimes returns a string and other times returns a
> java.sql.Clob. In at least one spot, the compiler expects that
> SQLClob.getObject() will always return a java.sql.Clob. See the final cast
> compiled by SQLToJavaValueNode.generateJavaValue(). I believe that the
> compiler is correct and SQLClob.getObject() should behave predictably.
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