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Posted to issues@kylin.apache.org by "Dong Li (JIRA)" <ji...@apache.org> on 2017/10/12 14:06:01 UTC

[jira] [Resolved] (KYLIN-2823) Trim TupleFilter after dictionary-based filter optimization

     [ https://issues.apache.org/jira/browse/KYLIN-2823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dong Li resolved KYLIN-2823.
----------------------------
    Resolution: Fixed
      Assignee: hongbin ma

> Trim TupleFilter after dictionary-based filter optimization
> -----------------------------------------------------------
>
>                 Key: KYLIN-2823
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2823
>             Project: Kylin
>          Issue Type: Improvement
>            Reporter: hongbin ma
>            Assignee: hongbin ma
>             Fix For: v2.2.0
>
>
> with cube's dictionary, kylin will optimize filters like:
> ( a = 'value_in_dict' OR a = 'value_not_in_dict')   =>      (a = 'value_in_dict' OR ConstantTupleFilter.FALSE)
> we need to further trim the filter to (a = 'value_in_dict') to avoid too many children after flatten filter step



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