fuwhu commented on a change in pull request #27232:
[SPARK-30525][SQL]HiveTableScanExec do not need to prune partitions again
URL: https://github.com/apache/spark/pull/27232#discussion_r373508552
##########
File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScanExec.scala
##########
@@ -162,22 +162,36 @@ case class HiveTableScanExec(
}
}
- // exposed for tests
- @transient lazy val rawPartitions = {
- val prunedPartitions =
- if (sparkSession.sessionState.conf.metastorePartitionPruning &&
- partitionPruningPred.nonEmpty) {
- // Retrieve the original attributes based on expression ID so that
capitalization matches.
- val normalizedFilters = partitionPruningPred.map(_.transform {
- case a: AttributeReference => originalAttributes(a)
- })
- relation.prunedPartitions.getOrElse(
- sparkSession.sessionState.catalog
- .listPartitionsByFilter(relation.tableMeta.identifier,
normalizedFilters))
+ @transient lazy val prunedPartitions: Seq[HivePartition] = {
+ if (relation.prunedPartitions.nonEmpty &&
Review comment:
> else {
> val rawPartitions = prunedPartitionsViaHiveMetaStore()
> prunePartitions(relation.prunedPartitions)
> }
Since prunedPartitionsViaHiveMetaStore will return None if the
HIVE_METASTORE_PARTITION_PRUNING is disabled, so we need to check the result of
prunedPartitionsViaHiveMetaStore here.
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