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Posted to dev@hive.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2014/09/08 04:28:28 UTC

[jira] [Assigned] (HIVE-7818) Support boolean PPD for ORC

     [ https://issues.apache.org/jira/browse/HIVE-7818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Dai reassigned HIVE-7818:
--------------------------------

    Assignee: Daniel Dai

> Support boolean PPD for ORC
> ---------------------------
>
>                 Key: HIVE-7818
>                 URL: https://issues.apache.org/jira/browse/HIVE-7818
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>         Attachments: HIVE-7818.1.patch
>
>
> Currently ORC does collect stats for boolean field. However, the boolean stats is not range based, instead, it collects counts of true records. RecordReaderImpl.evaluatePredicate currently only deals with range based stats, we need to improve it to deal with the boolean stats.



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