zml1206 commented on code in PR #49202:
URL: https://github.com/apache/spark/pull/49202#discussion_r1896521655
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala:
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@@ -1831,8 +1841,8 @@ object PushPredicateThroughNonJoin extends
Rule[LogicalPlan] with PredicateHelpe
}
if (pushDown.nonEmpty) {
- val pushDownPredicate = pushDown.reduce(And)
- val replaced = replaceAlias(pushDownPredicate, aliasMap)
+ val replacedByWith = rewriteConditionByWith(pushDown.reduce(And),
aliasMap)
Review Comment:
Calculate the number of times each common expression is used through the
entire condition.
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