maropu commented on a change in pull request #25001: [SPARK-28083][SQL] Enhance
ANSI SQL: LIKE predicate: ESCAPE clause.
URL: https://github.com/apache/spark/pull/25001#discussion_r299362424
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala
##########
@@ -65,6 +65,59 @@ abstract class StringRegexExpression extends
BinaryExpression
override def sql: String = s"${left.sql}
${prettyName.toUpperCase(Locale.ROOT)} ${right.sql}"
}
+abstract class StringRegexV2Expression extends TernaryExpression
Review comment:
Have you tried this?
```
case class Like(
inputExpr: Expression,
patternExpr: Expression,
escapeExpr: Option[String] = None) extends StringRegexExpression
```
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