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https://issues.apache.org/jira/browse/SPARK-27329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liang-Chi Hsieh updated SPARK-27329:
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Issue Type: Sub-task (was: Improvement)
Parent: SPARK-25603
> Pruning nested field in map of map key and value from object serializers
> ------------------------------------------------------------------------
>
> Key: SPARK-27329
> URL: https://issues.apache.org/jira/browse/SPARK-27329
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Liang-Chi Hsieh
> Priority: Major
>
> If object serializer has map of map key/value, pruning nested field should
> work.
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