peter-toth commented on a change in pull request #23802: [SPARK-26893][SQL]
Allow partition pruning with subquery filters on file source
URL: https://github.com/apache/spark/pull/23802#discussion_r257713396
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/DataSourceScanExec.scala
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@@ -185,6 +185,13 @@ case class FileSourceScanExec(
ret
}
+ @transient private lazy val selectedPartitionsCount =
+ if (partitionFilters.exists(ExecSubqueryExpression.hasSubquery)) {
+ None
Review comment:
No. This is required due to this PR. `partitionFilters` always filtered out
subqueries. [SPARK-25482](https://issues.apache.org/jira/browse/SPARK-25482)
just filtered out subqueries from `dataFilters` (pushed down filters) because
they were not used but caused double execution.
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