Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/12720#discussion_r61652169
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -984,12 +1154,24 @@ class Analyzer(
// If resolution was successful and we see the filter has an
aggregate in it, add it to
// the original aggregate operator.
- if (resolvedOperator.resolved &&
containsAggregate(resolvedAggregateFilter)) {
- val aggExprsWithHaving = resolvedAggregateFilter +:
originalAggExprs
+ if (resolvedOperator.resolved) {
+ // Try to replace all aggregate expressions in the filter by
an alias.
+ val aggregateExpressions = ArrayBuffer.empty[NamedExpression]
--- End diff --
This is need to support outer aggregate predicates in a subquery.
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