Github user dvogelbacher commented on a diff in the pull request:
https://github.com/apache/spark/pull/20779#discussion_r173484471
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/WholeStageCodegenSuite.scala
---
@@ -307,4 +309,47 @@ class WholeStageCodegenSuite extends QueryTest with
SharedSQLContext {
// a different query can result in codegen cache miss, that's by
design
}
}
+
+ test("SPARK-23598: Avoid compilation error with a lot of aggregation
operations") {
--- End diff --
It's not a compilation but a runtime error. maybe better say: `codegen
working for lots of aggregation operations without runtime errors`
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