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Posted to issues@spark.apache.org by "Dongjoon Hyun (JIRA)" <ji...@apache.org> on 2019/03/27 21:16:00 UTC
[jira] [Commented] (SPARK-27288) Pruning nested field in complex
map key from object serializers
[ https://issues.apache.org/jira/browse/SPARK-27288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16803367#comment-16803367 ]
Dongjoon Hyun commented on SPARK-27288:
---------------------------------------
[~viirya] and [~maropu]. To give more visibility for the others, I converted this into SPARK-25603's subtask.
cc [~dbtsai]
> Pruning nested field in complex map key from object serializers
> ---------------------------------------------------------------
>
> Key: SPARK-27288
> URL: https://issues.apache.org/jira/browse/SPARK-27288
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
> Priority: Major
> Fix For: 3.0.0
>
>
> In SPARK-26847, pruning nested field in complex map key was not supported, because some methods in schema pruning did't support it at that moment. Now as those methods support it, we can prune nested field in complex map key.
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