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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