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Posted to issues@trafodion.apache.org by "Suresh Subbiah (JIRA)" <ji...@apache.org> on 2015/10/05 18:09:27 UTC

[jira] [Updated] (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:all-tabpanel ]

Suresh Subbiah updated TRAFODION-1450:
--------------------------------------
    Assignee: Howard Qin

> 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
>            Assignee: Howard Qin
>            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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