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https://issues.apache.org/jira/browse/DERBY-4869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13008993#comment-13008993
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Knut Anders Hatlen commented on DERBY-4869:
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Committed "fix-compiler-warning.diff" with revision 1083628.
I'm wondering, though, if the call to put() on the map returned by getTypeMap()
in the new test case is valid. When using the JDBC 3.0 or earlier variants of
the Connection class, the returned map is immutable, and put() will throw an
exception. With the JDBC 4.0 driver, the map is mutable, but I think that is
just an unintended side effect of a hack used to silence a compiler warning.
I've logged DERBY-5143 to track this difference between the JDBC 3.0 driver and
the JDBC 4.0 driver.
> Implement JDBC 4.1, the api increment introduced by Java 7
> ----------------------------------------------------------
>
> Key: DERBY-4869
> URL: https://issues.apache.org/jira/browse/DERBY-4869
> Project: Derby
> Issue Type: Improvement
> Components: JDBC
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: Drv41.java, JDBC_4.1_Changes.html,
> derby-4869-01-ac-rs-getObject.diff, derby-4869-01-ad-rs-getObject.diff,
> derby-4869-02-aa-cs-ps-addBatch.diff, derby-4869-02-ab-cs-ps-addBatch.diff,
> derby-4869-03-aa-rs-getObject-errorCleanup.diff,
> derby-4869-04-aa-rs-getObject-simplification.diff,
> derby-4869-05-aa-rs-getObject-exception.diff,
> derby-4869-06-aa-cs-getObject.diff, derby-4869-06-ab-cs-getObject.diff,
> derby-4869-07-aa-timedisplacement.diff, derby-4869-08-ac-nullHandling.diff,
> derby-4869-09-ac-abort.diff, derby-4869-10-aa-abortSecurityTest.diff,
> derby-4869-11-aa-abortHidePrivates.diff,
> derby-4869-12-aa-xaAndPooledAborts.diff,
> derby-4869-13-aa-xaAndPooledAbortsSecurityManager.diff,
> derby-4869-14-ac-closeOnCompletion.diff, derby-4869-15-aa-autoGenKeys.diff,
> derby-4869-16-aa-clarifyStatementSpec.diff,
> derby-4869-17-aa-statementTimeoutException.diff,
> derby-4869-18-aa-getSetSchema.diff,
> derby-4869-19-aa-getSetNetworkTimeout.diff,
> derby-4869-20-aa-setSchemaFastPath.diff,
> derby-4869-21-aa-implicitlyClosedResultSets.diff,
> derby-4869-21-ab-implicitlyClosedResultSets.diff,
> derby-4869-22-aa-unstableStatementTest.diff, derby-4869-23-aa-dbmd.diff,
> derby-4869-24-ab-getParentLogger.diff,
> derby-4869-25-aa-removeClosureCheck.diff,
> derby-4869-26-aa-signatureTests.diff, derby-4869-27-aa-driver40.diff,
> derby-4869-28-ab-autoloadExceptionFactory.diff,
> derby-4869-29-aa-fixAutoloadTest.diff,
> derby-4869-30-aa-unstableStatementTest.diff,
> derby-4869-31-aa-unstableStatementTest.diff,
> derby-4869-31-ab-unstableStatementTest.diff,
> derby-4869-32_add_CallableStatement_Connection_getTypeMap_test.diff,
> derby-4869-exp-01-aa-noTryCatch.diff, disable-tests.diff,
> fix-compiler-warning.diff, timezone.diff
>
>
> This is a master issue logged to track our work implementing JDBC 4.1, the
> changes to the java.sql and javax.sql packages introduced by Java 7.
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