uros-db commented on code in PR #45216:
URL: https://github.com/apache/spark/pull/45216#discussion_r1508803718


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala:
##########
@@ -585,10 +604,23 @@ object ContainsExpressionBuilder extends 
StringBinaryPredicateExpressionBuilderB
   }
 }
 
-case class Contains(left: Expression, right: Expression) extends 
StringPredicate {
-  override def compare(l: UTF8String, r: UTF8String): Boolean = l.contains(r)
+case class Contains(left: Expression, right: Expression) extends 
StringPredicate
+  with CollationCompatibilityCheck {
+  override def compare(l: UTF8String, r: UTF8String): Boolean = {
+    val collationId = checkCollationIds()

Review Comment:
   fixed!



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