cloud-fan commented on a change in pull request #29831:
URL: https://github.com/apache/spark/pull/29831#discussion_r503800662
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File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveStrategies.scala
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@@ -256,20 +256,21 @@ private[hive] trait HiveStrategies {
*/
object HiveTableScans extends Strategy {
def apply(plan: LogicalPlan): Seq[SparkPlan] = plan match {
- case ScanOperation(projectList, predicates, relation: HiveTableRelation)
=>
+ case ScanOperation(projectList, filters, relation: HiveTableRelation) =>
// Filter out all predicates that only deal with partition keys, these
are given to the
// hive table scan operator to be used for partition pruning.
val partitionKeyIds = AttributeSet(relation.partitionCols)
- val (pruningPredicates, otherPredicates) = predicates.partition {
predicate =>
- !predicate.references.isEmpty &&
- predicate.references.subsetOf(partitionKeyIds)
- }
+ val normalizedFilters = DataSourceStrategy.normalizeExprs(
+ filters.filter(_.deterministic), relation.output)
+
+ val partitionKeyFilters =
DataSourceStrategy.getPushedDownFilters(relation.partitionCols,
+ normalizedFilters)
pruneFilterProject(
projectList,
- otherPredicates,
+ filters.filter(f => f.references.isEmpty ||
!f.references.subsetOf(partitionKeyIds)),
Review comment:
`f.references.isEmpty` means it's true or false literal?
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