olaky commented on code in PR #39408:
URL: https://github.com/apache/spark/pull/39408#discussion_r1062496723
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala:
##########
@@ -258,6 +258,24 @@ object FileSourceStrategy extends Strategy with
PredicateHelper with Logging {
val outputAttributes = readDataColumns ++ generatedMetadataColumns ++
partitionColumns ++ constantMetadataColumns
+
+ // The metadata attribute references in the filters also have to be
categorized as either
+ // constant or generated metadata attributes. Only data filters can
contain metadata filters.
+ def categorizeFileSourceMetadataAttributesInFilters(
+ filters: Seq[Expression]): Seq[Expression] =
+ filters.map { filter =>
+ filter.transform {
+ case attr: AttributeReference if
FileSourceMetadataAttribute.unapply(attr).isDefined =>
Review Comment:
one more generic way to do this I could imagine is to unbind the references
and have that process run again for all filters, but that seems rather wasteful
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
