Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/17636#discussion_r111833139 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala --- @@ -1362,7 +1389,7 @@ class Analyzer( // Note: // Generator with join=false is treated as Category 4. case g: Generate if g.join => - failOnOuterReference(g) + failOnInvalidOuterReference(g) // Category 4: Any other operators not in the above 3 categories // cannot be on a correlation path, that is they are allowed only --- End diff -- Do we have any test case to cover this scenario?
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