viirya commented on a change in pull request #31567:
URL: https://github.com/apache/spark/pull/31567#discussion_r577306759
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/LimitPushdownSuite.scala
##########
@@ -194,4 +194,22 @@ class LimitPushdownSuite extends PlanTest {
LocalLimit(1, y.groupBy(Symbol("b"))(count(1))))).analyze
comparePlans(expected2, optimized2)
}
+
+ test("SPARK-26138: pushdown limit through InnerLike when condition is
empty") {
Review comment:
Shall we have a e2e test to check answer too?
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