snuyanzin commented on code in PR #21759:
URL: https://github.com/apache/flink/pull/21759#discussion_r1091853874
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flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/codegen/calls/SearchOperatorGen.scala:
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@@ -97,6 +97,9 @@ object SearchOperatorGen {
|if (!${needle.nullTerm}) {
| $resultTerm = $negation$setTerm.contains(${needle.resultTerm});
| $nullTerm = !$resultTerm && $setTerm.containsNull();
+ |} else if (${sarg.nullAs == RexUnknownAs.TRUE}) {
+ | $resultTerm = $negation$setTerm.containsNull();
+ | $nullTerm = !$resultTerm && $setTerm.containsNull();
Review Comment:
thanks for your feedback, i was able to reproduce the issue
will have a look and add more tests for that
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