cloud-fan commented on a change in pull request #28805:
URL: https://github.com/apache/spark/pull/28805#discussion_r444663074



##########
File path: 
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/PruneFileSourcePartitions.scala
##########
@@ -87,8 +88,17 @@ private[sql] object PruneFileSourcePartitions extends 
Rule[LogicalPlan] {
             _,
             _))
         if filters.nonEmpty && fsRelation.partitionSchemaOption.isDefined =>
-      val (partitionKeyFilters, _) = getPartitionKeyFiltersAndDataFilters(
-        fsRelation.sparkSession, logicalRelation, partitionSchema, filters, 
logicalRelation.output)
+      val predicates = 
conjunctiveNormalFormAndGroupExpsByReference(filters.reduceLeft(And))
+      val (partitionKeyFilters, _) = if (predicates.nonEmpty) {

Review comment:
       nit:
   ```
   val finalPredicates = if (predicates.nonEmpty) predicates else filters
   getPartitionKeyFiltersAndDataFilters(
     fsRelation.sparkSession, logicalRelation, partitionSchema, finalPredicates,
     logicalRelation.output)
   ```

##########
File path: 
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/PruneHiveTablePartitions.scala
##########
@@ -103,7 +103,12 @@ private[sql] class PruneHiveTablePartitions(session: 
SparkSession)
   override def apply(plan: LogicalPlan): LogicalPlan = plan resolveOperators {
     case op @ PhysicalOperation(projections, filters, relation: 
HiveTableRelation)
       if filters.nonEmpty && relation.isPartitioned && 
relation.prunedPartitions.isEmpty =>
-      val partitionKeyFilters = getPartitionKeyFilters(filters, relation)
+      val predicates = 
conjunctiveNormalFormAndGroupExpsByReference(filters.reduceLeft(And))
+      val partitionKeyFilters = if (predicates.nonEmpty) {

Review comment:
       ditto




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