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From "Liang-Chi Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-26847) Prune nested serializers from object serializers: MapType support
Date Fri, 08 Feb 2019 01:26:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-26847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16763211#comment-16763211
] 

Liang-Chi Hsieh commented on SPARK-26847:
-----------------------------------------

I will finish this once SPARK-26837 is merged.

> Prune nested serializers from object serializers: MapType support
> -----------------------------------------------------------------
>
>                 Key: SPARK-26847
>                 URL: https://issues.apache.org/jira/browse/SPARK-26847
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Liang-Chi Hsieh
>            Priority: Major
>
> This is TODO PR for SPARK-26837. In SPARK-26837, we prune nested fields from object serializers
if they are unnecessary in the query execution. SPARK-26837 leaves the support of MapType
as a TODO item. This ticket is created to track it.



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