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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5010) [patch] bad equivalence check
Date Thu, 16 Jun 2011 14:13:47 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13050437#comment-13050437
] 

Bryan Pendleton commented on DERBY-5010:
----------------------------------------

Now that you know that the aggregate test exercises this code, can you try Kathey's suggestion
from
https://issues.apache.org/jira/browse/DERBY-5010?focusedCommentId=13021634&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13021634

to see if you can further isolate the particular statement that is being executed?


> [patch] bad equivalence check
> -----------------------------
>
>                 Key: DERBY-5010
>                 URL: https://issues.apache.org/jira/browse/DERBY-5010
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.7.1.1
>            Reporter: Dave Brosius
>            Priority: Trivial
>             Fix For: 10.8.1.4
>
>         Attachments: IsEquivalent_DoNotCommit_June11.txt, IsEquivalent_Donotcommit_june14.txt,
bad_equivalence_check.diff, june15.out, runoutputJune14.out, runoutputJune2.out
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> code attempts to compare two BaseColumnNodes but doesn't compare the tableName correctly.

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