cloud-fan commented on a change in pull request #35130:
URL: https://github.com/apache/spark/pull/35130#discussion_r785767123
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File path: sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCV2Suite.scala
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@@ -874,4 +876,47 @@ class JDBCV2Suite extends QueryTest with
SharedSparkSession with ExplainSuiteHel
checkAnswer(df, Seq(Row(2)))
// scalastyle:on
}
+
+ private def checkAverageConversion(df: DataFrame): Unit = {
Review comment:
this does not check the partial agg pushdown. I think we need to test
two cases:
1. the JDBC table has only 1 partition and supports complete pushdown, so
there is no agg operator at Spark side
2. the JDBC table doesn't support complete pushdown, there is only one agg
operator at Spark side as the partial agg has been pushed.
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