gengliangwang commented on a change in pull request #29831:
URL: https://github.com/apache/spark/pull/29831#discussion_r502391339
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala
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@@ -154,15 +154,8 @@ object FileSourceStrategy extends Strategy with
PredicateHelper with Logging {
l.resolve(
fsRelation.partitionSchema,
fsRelation.sparkSession.sessionState.analyzer.resolver)
val partitionSet = AttributeSet(partitionColumns)
- val partitionKeyFilters = if (partitionColumns.isEmpty) {
- ExpressionSet(Nil)
- } else {
- val predicates = ExpressionSet(normalizedFilters
- .filter(_.references.subsetOf(partitionSet)))
- logInfo(s"Pruning directories with: ${predicates.mkString(",")}")
- predicates
- }
-
+ val partitionKeyFilters =
DataSourceStrategy.getPushedDownFilters(partitionColumns,
Review comment:
Nit: It would be better to add a comment saying that the
`partitionKeyFilters` here is the same as the filters used in the partition
pruning rule `PruneFileSourcePartitions`.
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