cloud-fan commented on code in PR #46143:
URL: https://github.com/apache/spark/pull/46143#discussion_r2848063501
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sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FilterPushdownSuite.scala:
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@@ -258,6 +239,23 @@ class FilterPushdownSuite extends PlanTest {
comparePlans(optimized, correctAnswer)
}
+ // Case 3: Filter references expensive to compute references.
+ test("SPARK-47672: Avoid double evaluation with projections can't push past
certain items") {
+ val originalQuery = testStringRelation
+ .select($"a", $"e".rlike("magic") as "f")
+ .where($"a" > 5 || $"f")
+ .analyze
+
+ val optimized = Optimize.execute(originalQuery)
+
+ val correctAnswer = testStringRelation
Review Comment:
`correctAnswer` is the same as `originalQuery`?
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