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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/03/20 14:42:32 UTC

[GitHub] [spark] viirya opened a new pull request #24158: [SPARK-26847][SQL] Pruning nested serializers from object serializers: MapType support

viirya opened a new pull request #24158: [SPARK-26847][SQL] Pruning nested serializers from object serializers: MapType support
URL: https://github.com/apache/spark/pull/24158
 
 
   ## What changes were proposed in this pull request?
   
   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 proposes to support map type.
   
   ## How was this patch tested?
   
   Added tests.
   

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