Github user tejasapatil commented on a diff in the pull request:
https://github.com/apache/spark/pull/16985#discussion_r132715845
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/sources/BucketedReadSuite.scala ---
@@ -543,6 +551,68 @@ abstract class BucketedReadSuite extends QueryTest
with SQLTestUtils {
)
}
+ test("SPARK-19122 Re-order join predicates if they match with the
child's output partitioning") {
+ val bucketedTableTestSpec = BucketedTableTestSpec(
+ Some(BucketSpec(8, Seq("i", "j", "k"), Seq("i", "j", "k"))),
+ numPartitions = 1,
+ expectedShuffle = false,
+ expectedSort = false)
+
+ def testBucketingWithPredicate(
+ joinCondition: (DataFrame, DataFrame) => Column,
+ expectedResult: Option[Array[Row]]): Array[Row] = {
+ testBucketing(
+ bucketedTableTestSpecLeft = bucketedTableTestSpec,
+ bucketedTableTestSpecRight = bucketedTableTestSpec,
+ joinCondition = joinCondition,
+ expectedResult = expectedResult
+ )
+ }
+
+ // Irrespective of the ordering of keys in the join predicate, the
query plan and
+ // query results should always be the same
--- End diff --
removed validation of query result
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