beliefer commented on a change in pull request #26656: [SPARK-27986][SQL]
Support ANSI SQL filter clause for aggregate expression
URL: https://github.com/apache/spark/pull/26656#discussion_r361042960
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File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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@@ -2835,6 +2835,54 @@ class SQLQuerySuite extends QueryTest with
SharedSparkSession {
checkAnswer(df, Row(1, 3, 4) :: Row(2, 3, 4) :: Row(3, 3, 4) :: Nil)
}
+ test("Support filter clause for aggregate function with hash aggregate") {
+ Seq(("COUNT(a)", 3), ("COLLECT_LIST(a)", Seq(1, 2, 3))).foreach {
funcToResult =>
+ val query = s"SELECT ${funcToResult._1} FILTER (WHERE b > 1) FROM
testData2"
+ val df = sql(query)
+ val physical = df.queryExecution.sparkPlan
+ val aggregateExpressions = physical.collectFirst {
+ case agg: HashAggregateExec => agg.aggregateExpressions
+ case agg: ObjectHashAggregateExec => agg.aggregateExpressions
+ }
+ assert(aggregateExpressions.isDefined)
+ assert(aggregateExpressions.get.size == 1)
+ aggregateExpressions.get.foreach { expr =>
+ assert(expr.filter.isDefined)
+ }
+ checkAnswer(df, Row(funcToResult._2) :: Nil)
+ }
+ }
+
+ test("Support filter clause for aggregate function uses SortAggregateExec") {
+ withSQLConf(SQLConf.USE_OBJECT_HASH_AGG.key -> "false") {
+ val query = s"SELECT PERCENTILE(a, 1) FILTER (WHERE b > 1) FROM
testData2"
+ val df = sql(query)
Review comment:
OK
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