zml1206 commented on code in PR #49202:
URL: https://github.com/apache/spark/pull/49202#discussion_r1896303595
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala:
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@@ -107,6 +107,14 @@ trait PredicateHelper extends AliasHelper with Logging {
}
}
+ /**
+ * First split the predicates by And, then combine the predicates with the
same references.
Review Comment:
Merge `With` requires a certain cost. It seems that we only need to merge
once before rewriting `With`.
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