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https://issues.apache.org/jira/browse/DERBY-3819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12669371#action_12669371
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Knut Anders Hatlen commented on DERBY-3819:
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I thought the point of the predicate pushdown test wasn't to verify that the
correct join strategy was chosen, but rather to verify that the predicates were
correctly pushed down from the outer select statement into the nested select
statements. I cannot see that the test does that anymore, though.
> 'Expected Table Scan ResultSet for T3' in
> 'test_predicatePushdown(....PredicatePushdownTest)' since 670215 2008-06-21
> 18:01:08 MEST
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3819
> URL: https://issues.apache.org/jira/browse/DERBY-3819
> Project: Derby
> Issue Type: Bug
> Components: Regression Test Failure
> Affects Versions: 10.5.0.0
> Environment: OS: Solaris 10 5/08 s10x_u5wos_10 X86 64bits - SunOS
> 5.10 Generic_127128-11 (sol)
> JVM: Sun Microsystems Inc.
> java version "1.6.0_06"
> Java(TM) SE Runtime Environment (build 1.6.0_06-b02)
> Java HotSpot(TM) 64-Bit Server VM (build 10.0-b22 mixed mode 64-bit)
> Reporter: Ole Solberg
> Attachments: new_plan.txt, old_plan.txt
>
>
> 'test_predicatePushdown(org.apache.derbyTesting.functionTests.tests.lang.PredicatePushdownTest)junit.framework.AssertionFailedError:
> Expected Table Scan ResultSet for T3' since 670215 2008-06-21 18:01:08 MEST
> http://dbtg.thresher.com/derby/test/Daily/UpdateInfo/670215.txt
> The failure is seen on SunOS 5.10 / Sun Jvm 1.6.0.
> See e.g.
> http://dbtg.thresher.com/derby/test/Daily/jvm1.6/testing/testlog/sol/682186-suitesAll_diff.txt
> The test (suites.All) is run with '-XX:-UseThreadPriorities
> -XX:MaxPermSize=128M -Xmx256M -d64'.
> When run with '-XX:MaxPermSize=128M -Xmx256M' as is used for the other
> platforms in this set of tests we do not see a failure.
> The failure was also seen on Solaris Express Community Edition snv_86 X86bits
> - SunOS 5.11 snv_86 (solN+1) between 670215 and 676638.
> (Run w/ -XX:-UseThreadPriorities -XX:MaxPermSize=128M -Xmx256M -d32)
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