Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/6712#discussion_r32089158
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -460,7 +460,7 @@ class Analyzer(
def apply(plan: LogicalPlan): LogicalPlan = plan transform {
case q: LogicalPlan =>
q transformExpressions {
- case u @ UnresolvedFunction(name, children) if
u.childrenResolved =>
+ case u @ UnresolvedFunction(name, children) =>
--- End diff --
note that this is required -- otherwise this rule would never trigger for
udfs in HAVING but not in the select clause (UnresolvedHavingClauseAttributes).
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