allisonwang-db commented on a change in pull request #32303:
URL: https://github.com/apache/spark/pull/32303#discussion_r644404041
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File path: sql/core/src/test/resources/sql-tests/inputs/join-lateral.sql
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@@ -0,0 +1,97 @@
+-- Test cases for lateral join
+
+CREATE VIEW t1(c1, c2) AS VALUES (0, 1), (1, 2);
+CREATE VIEW t2(c1, c2) AS VALUES (0, 2), (0, 3);
+
+-- lateral join with single column select
+SELECT * FROM t1, LATERAL (SELECT c1);
+SELECT * FROM t1, LATERAL (SELECT c1 FROM t2);
+SELECT * FROM t1, LATERAL (SELECT t1.c1 FROM t2);
+SELECT * FROM t1, LATERAL (SELECT t1.c1 + t2.c1 FROM t2);
+
+-- lateral join with star expansion
Review comment:
All star expressions will be handled in a separate PR: SPARK-35618
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