allisonwang-db commented on code in PR #39759:
URL: https://github.com/apache/spark/pull/39759#discussion_r1110473587
##########
sql/core/src/test/resources/sql-tests/results/join-lateral.sql.out:
##########
@@ -1120,6 +1258,105 @@ struct<c1:int,c2:int,c2:int>
1 2 3
+-- !query
+SELECT * FROM t1 JOIN LATERAL
+ ((SELECT t2.c2
+ FROM t2
+ WHERE t2.c1 = t1.c1
+ EXCEPT DISTINCT
+ SELECT t4.c2
+ FROM t4
+ WHERE t4.c1 > t1.c2)
+ UNION DISTINCT
+ (SELECT t4.c1
+ FROM t4
+ WHERE t4.c1 <= t1.c2
+ INTERSECT ALL
+ SELECT t4.c2
+ FROM t4
+ WHERE t4.c1 <> t1.c1)
+)
+-- !query schema
+struct<c1:int,c2:int,c2:int>
+-- !query output
+0 1 1
+0 1 2
+0 1 3
+1 2 1
+
+
+-- !query
+SELECT * FROM t1 JOIN LATERAL
+ ((SELECT t2.c2
+ FROM t2
+ WHERE t2.c1 = t1.c1
+ UNION ALL
+ SELECT t4.c2
+ FROM t4
+ WHERE t4.c1 > t1.c2)
+ INTERSECT DISTINCT
+ (SELECT t4.c1
+ FROM t4
+ WHERE t4.c1 <= t1.c2
+ EXCEPT ALL
+ SELECT t4.c2
+ FROM t4
+ WHERE t4.c1 <> t1.c1)
+)
+-- !query schema
+struct<c1:int,c2:int,c2:int>
+-- !query output
+
+
+
+-- !query
+SELECT * FROM t1 JOIN LATERAL (SELECT sum(c1) FROM
+ (SELECT *
+ FROM t2
+ WHERE t2.c1 <= t1.c1) lhs
+ LEFT SEMI JOIN
+ (SELECT *
+ FROM t4) rhs
+ ON lhs.c1 <=> rhs.c1 and lhs.c2 <=> rhs.c2
+)
+-- !query schema
+struct<c1:int,c2:int,sum(c1):bigint>
+-- !query output
+0 1 0
+1 2 0
+
+
+-- !query
+SELECT * FROM t1 JOIN LATERAL (SELECT sum(c1) FROM
+ (SELECT *
+ FROM t2
+ WHERE t2.c1 <= t1.c1) lhs
+ LEFT SEMI JOIN
+ (SELECT *
+ FROM t4
+ WHERE t4.c1 > t1.c2) rhs
+ ON lhs.c1 <=> rhs.c1 and lhs.c2 <=> rhs.c2
+)
+-- !query schema
+struct<>
+-- !query output
+org.apache.spark.sql.AnalysisException
+{
+ "errorClass" :
"UNSUPPORTED_SUBQUERY_EXPRESSION_CATEGORY.ACCESSING_OUTER_QUERY_COLUMN_IS_NOT_ALLOWED",
Review Comment:
Is this expected?
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