urosstan-db commented on code in PR #58958:
URL: https://github.com/apache/spark/pull/58958#discussion_r4067513475
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sql/core/src/test/scala/org/apache/spark/sql/jdbc/v2/JDBCV2JoinPushdownIntegrationSuiteBase.scala:
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@@ -299,6 +301,30 @@ trait JDBCV2JoinPushdownIntegrationSuiteBase
}
}
+ gridTest("Join pushdown preserves partitioned input reads")(Seq(1, 2)) {
numPartitions =>
+ val tableOptions = s"""WITH (
+ |'partitionColumn' '${caseConvert("id")}',
+ |'lowerBound' '0',
+ |'upperBound' '11',
+ |'numPartitions' '$numPartitions')""".stripMargin
+ val sqlQuery = s"""
+ |SELECT a.id, b.id
+ |FROM $catalogAndNamespace.$casedJoinTableName1 $tableOptions a
+ |JOIN $catalogAndNamespace.$casedJoinTableName1 $tableOptions b ON a.id
= b.id + 1
+ |""".stripMargin
+
+ val rows = withSQLConf(SQLConf.DATA_SOURCE_V2_JOIN_PUSHDOWN.key ->
"false") {
+ sql(sqlQuery).collect().toSeq
+ }
+ assert(rows.nonEmpty)
Review Comment:
Let's use only join pushdown = true path, assert join is not pushed down,
and assert on entire result
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