Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/16467#discussion_r97667507
--- Diff:
sql/core/src/test/resources/sql-tests/results/subquery/in-subquery/not-in-multiple-columns.sql.out
---
@@ -0,0 +1,59 @@
+-- Automatically generated by SQLQueryTestSuite
+-- Number of queries: 5
+
+
+-- !query 0
+create temporary view t1 as select * from values
+ (1, 1), (2, 1), (null, 1),
+ (1, 3), (null, 3),
+ (1, null), (null, 2)
+as t1(a1, b1)
+-- !query 0 schema
+struct<>
+-- !query 0 output
+
+
+
+-- !query 1
+create temporary view t2 as select * from values
+ (1, 1),
+ (null, 3),
+ (1, null)
+as t2(a2, b2)
+-- !query 1 schema
+struct<>
+-- !query 1 output
+
+
+
+-- !query 2
+select a1,b1
+from t1
+where (a1,b1) not in (select a2,b2
+ from t2)
+-- !query 2 schema
+struct<a1:int,b1:int>
+-- !query 2 output
+2 1
+
--- End diff --
Ok yeah you are right. I was confusing this with the or rules.
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