cloud-fan commented on code in PR #41088:
URL: https://github.com/apache/spark/pull/41088#discussion_r1188178513
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala:
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@@ -188,7 +188,13 @@ object FileSourceStrategy extends Strategy with
PredicateHelper with Logging {
// Partition keys are not available in the statistics of the files.
// `dataColumns` might have partition columns, we need to filter them
out.
val dataColumnsWithoutPartitionCols =
dataColumns.filterNot(partitionSet.contains)
- val dataFilters = normalizedFiltersWithoutSubqueries.flatMap { f =>
+ // Scalar subquery can be pushed down as data filter at runtime, since
we always
Review Comment:
how about partition filters?
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