[GitHub] [spark] fuwhu commented on a change in pull request #27535: [MINOR][DOC] Add class document for PruneFileSourcePartitions and PruneHiveTablePartitions

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fuwhu commented on a change in pull request #27535: [MINOR][DOC] Add class document for PruneFileSourcePartitions and PruneHiveTablePartitions
URL: https://github.com/apache/spark/pull/27535#discussion_r377451447
 
 

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 File path: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/PruneFileSourcePartitions.scala
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 @@ -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:
   @cloud-fan updated as : 
   
   DataSourceV2ScanRelation -> DataSourceV2ScanRelation with FileScan
   HadoopFsRelation -> HadoopFsRelation with CatalogFileIndex
   

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