rkkorlapati-db commented on code in PR #39571:
URL: https://github.com/apache/spark/pull/39571#discussion_r1106535935
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sql/core/src/test/scala/org/apache/spark/sql/InjectRuntimeFilterSuite.scala:
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@@ -607,4 +607,13 @@ class InjectRuntimeFilterSuite extends QueryTest with
SQLTestUtils with SharedSp
"Missing or unexpected reused ReusedSubqueryExec in the plan")
}
}
+
+ test("SPARK-42064: bloom filter join hint") {
+ assertDidNotRewriteWithBloomFilter(
+ "SELECT * FROM bf1 JOIN bf2 ON bf1.c1 = bf2.c2")
+ assertRewroteWithBloomFilter(
+ "SELECT /*+ BLOOM_FILTER_JOIN(bf1) */ * FROM bf1 JOIN bf2 ON bf1.c1 =
bf2.c2")
Review Comment:
I suppose we build multiple bloom filters if there are composite join
predicates. Can we add some tests to verify?
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