wangyum commented on code in PR #38649:
URL: https://github.com/apache/spark/pull/38649#discussion_r1043126971
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala:
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@@ -762,10 +762,40 @@ object LikeSimplification extends Rule[LogicalPlan] with
PredicateHelper {
val and = buildBalancedPredicate(replacements.map(Not(_)), And)
if (remainPatterns.nonEmpty) And(and, l.copy(patterns =
remainPatterns)) else and
case l: LikeAny =>
- val or = buildBalancedPredicate(replacements, Or)
+ val equalPatterns = MutableHashset[Any]()
Review Comment:
Do you have some benchmark number?
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