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From "Lars Volker (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (IMPALA-4977) Evaluate IN predicates against parquet::Statistics
Date Thu, 11 May 2017 10:58:04 GMT

     [ https://issues.apache.org/jira/browse/IMPALA-4977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Volker resolved IMPALA-4977.
---------------------------------
       Resolution: Duplicate
    Fix Version/s: Impala 2.9.0

> Evaluate IN predicates against parquet::Statistics
> --------------------------------------------------
>
>                 Key: IMPALA-4977
>                 URL: https://issues.apache.org/jira/browse/IMPALA-4977
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend
>    Affects Versions: Impala 2.9.0
>            Reporter: Lars Volker
>            Assignee: Lars Volker
>              Labels: parquet, perf, performance
>             Fix For: Impala 2.9.0
>
>
> IN predicates should be evaluated against parquet::Statistics to skip data when reading
parquet files. The values can be sorted and two predicates from the min and max values of
the IN list.



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