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Posted to issues@spark.apache.org by "Cheng Lian (JIRA)" <ji...@apache.org> on 2016/01/29 01:26:39 UTC

[jira] [Updated] (SPARK-11955) Mark one side fields in merging schema for safely pushdowning filters in parquet

     [ https://issues.apache.org/jira/browse/SPARK-11955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cheng Lian updated SPARK-11955:
-------------------------------
    Assignee: Liang-Chi Hsieh

> Mark one side fields in merging schema for safely pushdowning filters in parquet
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-11955
>                 URL: https://issues.apache.org/jira/browse/SPARK-11955
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>            Assignee: Liang-Chi Hsieh
>             Fix For: 2.0.0
>
>
> Currently we simply skip pushdowning filters in parquet if we enable schema merging.
> However, we can actually mark one side fields in merging schema for safely pushdowning filters in parquet.



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