Github user twalthr commented on a diff in the pull request: https://github.com/apache/flink/pull/5070#discussion_r153448795 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/calls/ScalarOperators.scala --- @@ -188,13 +188,6 @@ object ScalarOperators { (leftTerm, rightTerm) => s"java.util.Arrays.equals($leftTerm, $rightTerm)" } } - // map types - else if (isMap(left.resultType) && - left.resultType.getTypeClass == right.resultType.getTypeClass) { - generateOperatorIfNotNull(nullCheck, BOOLEAN_TYPE_INFO, left, right) { - (leftTerm, rightTerm) => s"java.util.Map.equals($leftTerm, $rightTerm)" --- End diff -- Do we really need to remove the entire functionality? Wouldn't be `$leftTerm.equals($rightTerm)` be enough?
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