LakeShen commented on code in PR #3367:
URL: https://github.com/apache/calcite/pull/3367#discussion_r1314867311
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core/src/test/resources/org/apache/calcite/test/RelOptRulesTest.xml:
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@@ -6639,6 +6639,49 @@ LogicalMinus(all=[true])
LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2])
LogicalFilter(condition=[=($7, 30)])
LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+]]>
+ </Resource>
+ </TestCase>
+ <TestCase name="testMinusToDistinctAll1">
+ <Resource name="sql">
+ <![CDATA[select EMPNO, ENAME, JOB from emp where deptno = 10
+except all
+select EMPNO, ENAME, JOB from emp where deptno = 20
+except
+select EMPNO, ENAME, JOB from emp where deptno = 30
+]]>
+ </Resource>
+ <Resource name="planBefore">
+ <![CDATA[
+LogicalMinus(all=[false])
+ LogicalMinus(all=[true])
+ LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2])
+ LogicalFilter(condition=[=($7, 10)])
+ LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+ LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2])
+ LogicalFilter(condition=[=($7, 20)])
+ LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+ LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2])
+ LogicalFilter(condition=[=($7, 30)])
+ LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+]]>
+ </Resource>
+ <Resource name="planAfter">
Review Comment:
I have removed the MinusMerge Rule,then the plan has the LogicalMinus
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