[GitHub] [spark] dongjoon-hyun commented on a change in pull request #27531: Revert "[SPARK-30625][SQL] Support `escape` as third parameter of the `like` function

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dongjoon-hyun commented on a change in pull request #27531: Revert "[SPARK-30625][SQL] Support `escape` as third parameter of the `like` function
URL: https://github.com/apache/spark/pull/27531#discussion_r377809008
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala
 ##########
 @@ -188,12 +167,12 @@ case class Like(str: Expression, pattern: Expression, escape: Expression)
       } else {
         escapeChar
       }
-      nullSafeCodeGen(ctx, ev, (eval1, eval2, _) => {
+      nullSafeCodeGen(ctx, ev, (eval1, eval2) => {
         s"""
-          String $patternStr = $eval2.toString();
-          $patternClass $compiledPattern = $patternClass.compile(
-            $escapeFunc($patternStr, '$newEscapeChar'));
-          ${ev.value} = $compiledPattern.matcher($eval1.toString()).matches();
+          String $rightStr = $eval2.toString();
+          $patternClass $pattern = $patternClass.compile(
+            $escapeFunc($rightStr, '$newEscapeChar'));
+          ${ev.value} = $pattern.matcher($eval1.toString()).matches();
 
 Review comment:
   This part is a logical reverting.

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