[jira] [Updated] (DRILL-6744) Support filter push down for varchar / decimal data types

["Arina Ielchiieva (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-6744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arina Ielchiieva updated DRILL-6744:
------------------------------------
    Reviewer: Volodymyr Vysotskyi

> Support filter push down for varchar / decimal data types
> ---------------------------------------------------------
>
>                 Key: DRILL-6744
>                 URL: https://issues.apache.org/jira/browse/DRILL-6744
>             Project: Apache Drill
>          Issue Type: Improvement
>    Affects Versions: 1.14.0
>            Reporter: Arina Ielchiieva
>            Assignee: Arina Ielchiieva
>            Priority: Major
>              Labels: doc-impacting
>             Fix For: 1.15.0
>
>
> Since now Drill is using Apache Parquet 1.10.0 where issue with incorrectly stored varchar / decimal min / max statistics is resolved, we should add support for varchar / decimal filter push down. Only files created with parquet lib 1.9.1 and later will be subjected to push down. In cases if user knows that prior created files have correct min / max statistics (i.e. user exactly knows that data in binary columns in ASCII (not UTF-8)) than parquet.strings.signed-min-max.enabled can be set to true to enable filter push down.



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