Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/15484#discussion_r83426422
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -335,13 +366,16 @@ class Analyzer(
Aggregate(groupingAttrs, aggregations, expand)
- case f @ Filter(cond, child) if hasGroupingFunction(cond) =>
+ // We should make sure all expressions in condition have been
resolved.
--- End diff --
expression in condition could be unresolved, we should check this and
respect the operator until `Filter.condition` is resolved. A testcase in
`ResolveGroupingAnalyticsSuite` would fail before this PR.
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