huaxingao commented on a change in pull request #35130:
URL: https://github.com/apache/spark/pull/35130#discussion_r784389060
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File path: sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCV2Suite.scala
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@@ -874,4 +874,32 @@ class JDBCV2Suite extends QueryTest with
SharedSparkSession with ExplainSuiteHel
checkAnswer(df, Seq(Row(2)))
// scalastyle:on
}
+
+ test("scan with aggregate push-down: partial push-down SUM, AVG, COUNT") {
+ val df = spark.read
+ .option("partitionColumn", "dept")
+ .option("lowerBound", "0")
+ .option("upperBound", "2")
+ .option("numPartitions", "2")
+ .table("h2.test.employee")
+ .agg(sum($"SALARY").as("sum"), avg($"SALARY").as("avg"),
count($"SALARY").as("count"))
+ checkAggregateRemoved(df, false)
Review comment:
This only verifies the aggregates are not completely pushed down. We
still need to check if the partial push down works, right?
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