Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/17191#discussion_r113598206 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala --- @@ -998,6 +998,22 @@ class Analyzer( } /** + * Replace unresolved expressions in grouping keys with resolved ones in SELECT clauses. + */ + object ResolveAggAliasInGroupBy extends Rule[LogicalPlan] { + + override def apply(plan: LogicalPlan): LogicalPlan = plan.resolveOperators { + case agg @ Aggregate(groups, aggs, child) + if conf.groupByAliases && child.resolved && aggs.forall(_.resolved) && + groups.exists(!_.resolved) => --- End diff -- nit: we can check `groups.exists(_.isInstanceOf[UnresolvedAttribute])`
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org