dongjoon-hyun commented on a change in pull request #27562:
[SPARK-30811][SQL][BRANCH-2.4] CTE should not cause stack overflow when it
refers to non-existent table with same name
URL: https://github.com/apache/spark/pull/27562#discussion_r379024955
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
##########
@@ -2641,4 +2641,12 @@ class DataFrameSuite extends QueryTest with
SharedSQLContext {
val idTuples = sampled.collect().map(row => row.getLong(0) ->
row.getLong(1))
assert(idTuples.length == idTuples.toSet.size)
}
+
+ test("SPARK-30811: CTE should not cause stack overflow when " +
Review comment:
Can we have a unit test in `AnalysisErrorSuite` in `sql/catalyst` instead of
this test suite in `sql/core`?
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