Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19897#discussion_r155222416
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala
---
@@ -119,33 +119,34 @@ case class Like(left: Expression, right: Expression)
extends StringRegexExpressi
if (rVal != null) {
val regexStr =
StringEscapeUtils.escapeJava(escape(rVal.asInstanceOf[UTF8String].toString()))
- ctx.addMutableState(patternClass, pattern,
- s"""$pattern = ${patternClass}.compile("$regexStr");""")
--- End diff --
but we are adding a new one every time, so we are compiling it every time.
Am I wrong?
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