david-mollitor-db commented on code in PR #58484:
URL: https://github.com/apache/spark/pull/58484#discussion_r3970607997
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala:
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@@ -881,7 +923,10 @@ object LikeSimplification extends Rule[LogicalPlan] with
PredicateHelper {
// If pattern is null, return null value directly, since "col like
null" == null.
Literal(null, BooleanType)
} else {
- simplifyLike(input, pattern.toString, escapeChar).getOrElse(l)
+ val patternStr = pattern.toString
+ simplifyLike(input, patternStr, escapeChar)
+ .orElse(derivePrefixStartsWith(input, patternStr, escapeChar, l))
Review Comment:
@stevomitric Updated. I have also identified another code path that lacked
this gate: #58663
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