cloud-fan commented on code in PR #51686:
URL: https://github.com/apache/spark/pull/51686#discussion_r2242066133
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sql/core/src/test/scala/org/apache/spark/sql/jdbc/v2/JDBCV2JoinPushdownIntegrationSuiteBase.scala:
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@@ -640,4 +641,35 @@ trait JDBCV2JoinPushdownIntegrationSuiteBase
checkAnswer(df, rows)
}
}
+
+ test("Test complex duplicate column name alias") {
+ sql(s"create table $catalogAndNamespace.t1(id int, id_1 int, id_2 int,
id_1_1 int)")
+ sql(s"create table $catalogAndNamespace.t2(id int, id_1 int, id_2 int,
id_2_1 int)")
Review Comment:
can we create them in `def tablePreparation`?
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