snuyanzin commented on code in PR #28152:
URL: https://github.com/apache/flink/pull/28152#discussion_r3235179643
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flink-table/flink-table-planner/src/test/resources/org/apache/flink/table/planner/plan/rules/logical/FlinkPruneEmptyRulesTest.xml:
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@@ -152,7 +152,13 @@ LogicalMinus(all=[false])
</Resource>
<Resource name="optimized rel plan">
<![CDATA[
-LogicalValues(tuples=[[]])
+LogicalMinus(all=[false])
+:- LogicalMinus(all=[false])
+: :- LogicalValues(tuples=[[]])
+: +- LogicalProject(EXPR$0=[20], EXPR$1=[2])
+: +- LogicalValues(tuples=[[{ 20, 2 }]])
++- LogicalProject(EXPR$0=[40], EXPR$1=[4])
+ +- LogicalValues(tuples=[[{ 40, 4 }]])
Review Comment:
this is the result of https://issues.apache.org/jira/browse/CALCITE-6044
optimization
however such behavior is only for case of `VALUES`, so probably should be
acceptable
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