mingjialiu commented on a change in pull request #29564:
URL: https://github.com/apache/spark/pull/29564#discussion_r486063202
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2ScanExec.scala
##########
@@ -52,6 +53,17 @@ case class DataSourceV2ScanExec(
case _ => false
}
+ override def doCanonicalize(): DataSourceV2ScanExec = {
+ DataSourceV2ScanExec(
+ output.map(QueryPlan.normalizeExprId(_, output)),
+ source,
+ options,
+ QueryPlan.normalizePredicates(
+ pushedFilters,
+ AttributeSeq(pushedFilters.flatMap(_.references).distinct)),
Review comment:
Output here doesn't contain all predicate columns due to implementation
at :
https://github.com/apache/spark/blob/branch-2.4/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2Strategy.scala#L108
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