luluorta commented on a change in pull request #30625:
URL: https://github.com/apache/spark/pull/30625#discussion_r537496093
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala
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@@ -543,27 +543,27 @@ object LikeSimplification extends Rule[LogicalPlan] {
private val equalTo = "([^_%]*)".r
def apply(plan: LogicalPlan): LogicalPlan = plan transformAllExpressions {
- case Like(input, Literal(pattern, StringType), escapeChar) =>
+ case l @ Like(input, Literal(pattern, StringType), escapeChar) =>
if (pattern == null) {
// If pattern is null, return null value directly, since "col like
null" == null.
Literal(null, BooleanType)
} else {
- val escapeStr = String.valueOf(escapeChar)
pattern.toString match {
- case startsWith(prefix) if !prefix.endsWith(escapeStr) =>
+ case p if p.contains(escapeChar) => l
Review comment:
done
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