viirya commented on a change in pull request #25328: [SPARK-28595][SQL] explain
should not trigger partition listing
URL: https://github.com/apache/spark/pull/25328#discussion_r310907987
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/DataSourceScanExec.scala
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@@ -346,6 +348,12 @@ case class FileSourceScanExec(
} else {
None
}
+ } ++ {
+ if (relation.partitionSchemaOption.isDefined) {
+ Some("numPartitions" -> SQLMetrics.createMetric(sparkContext, "number of
partitions read"))
Review comment:
Although previously it is `PartitionCount`, `numPartitions` looks more
consistent.
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