Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17770#discussion_r117663936
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1041,11 +1044,13 @@ class Analyzer(
* The HAVING clause could also used a grouping columns that is not
presented in the SELECT.
*/
object ResolveMissingReferences extends Rule[LogicalPlan] {
- def apply(plan: LogicalPlan): LogicalPlan = plan.resolveOperators {
+ def apply(plan: LogicalPlan): LogicalPlan = plan.transformUp {
// Skip sort with aggregate. This will be handled in
ResolveAggregateFunctions
+ case sa @ Sort(_, _, AnalysisBarrier(child: Aggregate)) => sa
case sa @ Sort(_, _, child: Aggregate) => sa
- case s @ Sort(order, _, child) if !s.resolved && child.resolved =>
+ case s @ Sort(order, _, orgChild) if !s.resolved &&
orgChild.resolved =>
+ val child = EliminateBarriers(orgChild)
--- End diff --
add the `AnalysisBarrier` back at the end?
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