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Subject [GitHub] [spark] cloud-fan commented on a change in pull request #27535: Add class document for PruneFileSourcePartitions and PruneHiveTablePartitions
Date Tue, 11 Feb 2020 04:07:30 GMT
cloud-fan commented on a change in pull request #27535: Add class document for PruneFileSourcePartitions
and PruneHiveTablePartitions
URL: https://github.com/apache/spark/pull/27535#discussion_r377439182
 
 

 ##########
 File path: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/PruneFileSourcePartitions.scala
 ##########
 @@ -26,6 +26,18 @@ import org.apache.spark.sql.catalyst.rules.Rule
 import org.apache.spark.sql.execution.datasources.v2.{DataSourceV2ScanRelation, FileScan}
 import org.apache.spark.sql.types.StructType
 
+/**
+ * Prune the partitions of file source based table using partition filters. Currently, this
rule
+ * is applied to [[HadoopFsRelation]] and [[DataSourceV2ScanRelation]].
 
 Review comment:
   `DataSourceV2ScanRelation` -> `FileScan`

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