cloud-fan commented on a change in pull request #29999:
URL: https://github.com/apache/spark/pull/29999#discussion_r524213551
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala
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@@ -178,6 +180,90 @@ case class Like(left: Expression, right: Expression,
escapeChar: Char)
}
}
+/**
+ * Optimized version of LIKE ALL, when all pattern values are literal.
+ */
+abstract class LikeAllBase extends UnaryExpression with ImplicitCastInputTypes
with NullIntolerant {
+
+ protected def patterns: Seq[UTF8String]
+
+ protected def isNotDefined: Boolean
Review comment:
nit: `isNotLikeAll`
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