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Posted to issues@trafodion.apache.org by "Howard Qin (JIRA)" <ji...@apache.org> on 2015/09/02 10:17:45 UTC

[jira] [Commented] (TRAFODION-1450) Hybrid Query Cache needs to take into account multiple column family support

    [ https://issues.apache.org/jira/browse/TRAFODION-1450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14726973#comment-14726973 ] 

Howard Qin commented on TRAFODION-1450:
---------------------------------------

TEST042 failed many days ago, it seems not to related to "multiple column family support", rather it's just wrong compile time in EXPECT042.

> Hybrid Query Cache needs to take into account multiple column family support
> ----------------------------------------------------------------------------
>
>                 Key: TRAFODION-1450
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-1450
>             Project: Apache Trafodion
>          Issue Type: Bug
>          Components: sql-cmp
>    Affects Versions: 1.1 (pre-incubation)
>         Environment: SQL developer regression testing - compGeneral/TTEST042
>            Reporter: Sandhya Sundaresan
>            Priority: Minor
>             Fix For: 2.0-incubating
>
>
> The test compGeneral/TEST042 failed after the multiple column family support was merged. The symptom points at missed caching entries in HQC.With multi column family support, it is possible that the HQC parser key formulated now for a repeating query is not the same as before (under certain conditions) and thus leads to HQC cache misses. 



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