zml1206 commented on code in PR #49202:
URL: https://github.com/apache/spark/pull/49202#discussion_r1893542664
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/With.scala:
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@@ -112,6 +112,22 @@ object With {
With(replaced(commonExprRefs), commonExprDefs)
}
+ /**
+ * Helper function to create a [[With]] statement when push down filter.
+ * @param expr original expression
+ * @param replaceMap Replaced attributes and common expressions
+ */
+ def apply(expr: Expression, replaceMap: Map[Attribute, Expression]): With = {
Review Comment:
This logic in `PushPredicateThroughNonJoin.rewriteByWith()`.
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