Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/22518#discussion_r232906652 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala --- @@ -155,15 +155,14 @@ object FileSourceStrategy extends Strategy with Logging { case a: AttributeReference => a.withName(l.output.find(_.semanticEquals(a)).get.name) } - } + }.filterNot(SubqueryExpression.hasSubquery) --- End diff -- shall we do the filter before the `map`?
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