viirya commented on a change in pull request #32559:
URL: https://github.com/apache/spark/pull/32559#discussion_r633986606
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/SubexpressionEliminationSuite.scala
##########
@@ -309,6 +309,22 @@ class SubexpressionEliminationSuite extends SparkFunSuite
with ExpressionEvalHel
CodeGenerator.compile(code)
}
}
+
+ test("SPARK-35410: SubExpr elimination should not include redundant child
exprs " +
+ "for conditional expressions") {
Review comment:
Oh, I figured out. This might be an issue since we have sub-expr
elimination. We also need to remove redundant children exprs for
non-conditional cases.
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