Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16762#discussion_r104306401
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/JoinSuite.scala ---
@@ -584,24 +602,39 @@ class JoinSuite extends QueryTest with
SharedSQLContext {
val cartesianQueries = Seq(
/** The following should error out since there is no explicit cross
join */
"SELECT * FROM testData inner join testData2",
- "SELECT * FROM testData left outer join testData2",
- "SELECT * FROM testData right outer join testData2",
- "SELECT * FROM testData full outer join testData2",
+
"SELECT * FROM testData, testData2",
"SELECT * FROM testData, testData2 where testData.key = 1 and
testData2.a = 22",
+ "SELECT * FROM testData, testData2 where testData.key > testData2.a",
+ "SELECT * FROM testData INNER JOIN testData2 ON testData.key +
testData2.a = testData2.b",
/** The following should fail because after reordering there are
cartesian products */
"select * from (A join B on (A.key = B.key)) join D on (A.key=D.a)
join C",
"select * from ((A join B on (A.key = B.key)) join C) join D on
(A.key = D.a)",
/** Cartesian product involving C, which is not involved in a CROSS
join */
- "select * from ((A join B on (A.key = B.key)) cross join D) join C
on (A.key = D.a)");
+ "select * from ((A join B on (A.key = B.key)) cross join D) join C
on (A.key = D.a)")
- def checkCartesianDetection(query: String): Unit = {
- val e = intercept[Exception] {
- checkAnswer(sql(query), Nil);
- }
- assert(e.getMessage.contains("Detected cartesian product"))
+ def checkCartesianDetection(query: String): Unit = {
+ val e = intercept[AnalysisException](sql(query).collect()).getMessage
+ assert(e.contains("Detected cartesian product"))
}
cartesianQueries.foreach(checkCartesianDetection)
+
+ val broadcastNestedLoopJoinOutOfBroadcastThresholdQueries = Seq(
+ /** The following should error out since the flag
spark.sql.crossJoin.enabled is not on */
+ "SELECT * FROM testData left outer join testData2",
+ "SELECT * FROM testData right outer join testData2",
+ "SELECT * FROM testData full outer join testData2",
+ "SELECT * FROM testData full outer join testData2 on testData.key >
testData2.a",
+ "SELECT b FROM testData2 WHERE EXISTS(SELECT a FROM testData3)"
--- End diff --
This is a subquery that will use `BroadcastNestedLoopJoin`.
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