Github user dilipbiswal commented on a diff in the pull request:
https://github.com/apache/spark/pull/17636#discussion_r111849525
--- 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 --
@gatorsmile I couldn't find a test for this. I will add one for now in
SubquerySuite. I will move the negative tests to the sqlquerytestsuite in a
follow-up pr.
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