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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2023/01/20 06:52:53 UTC
[GitHub] [spark] cloud-fan commented on a diff in pull request #39543: [SPARK-42044][SQL] Fix incorrect error message for `MUST_AGGREGATE_CORRELATED_SCALAR_SUBQUERY`
cloud-fan commented on code in PR #39543:
URL: https://github.com/apache/spark/pull/39543#discussion_r1082159637
##########
core/src/main/resources/error/error-classes.json:
##########
@@ -1592,7 +1592,7 @@
},
"MUST_AGGREGATE_CORRELATED_SCALAR_SUBQUERY" : {
"message" : [
- "Correlated scalar subqueries in the GROUP BY clause must also be in the aggregate expressions<treeNode>"
+ "Correlated scalar subqueries must be aggregated to return at most one row."
Review Comment:
not related to this PR, but how is this different from `MUST_AGGREGATE_CORRELATED_SCALAR_SUBQUERY_OUTPUT`?
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