zabetak commented on code in PR #2825:
URL: https://github.com/apache/calcite/pull/2825#discussion_r889992773
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core/src/test/resources/org/apache/calcite/test/SqlToRelConverterTest.xml:
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@@ -664,6 +664,46 @@ LogicalProject(EMPNO=[$0], JOB=[$2])
]]>
</Resource>
</TestCase>
+ <TestCase name="testCorrelatedScalarSubQueryInSelectList">
+ <Resource name="planNotExpanded">
+ <![CDATA[
+LogicalProject(DEPTNO=[$0], I0=[$SCALAR_QUERY({
+LogicalAggregate(group=[{}], EXPR$0=[MIN($0)])
+ LogicalProject($f0=[1])
+ LogicalFilter(condition=[>($0, $cor0.DEPTNO)])
+ LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+})], I1=[$SCALAR_QUERY({
+LogicalAggregate(group=[{}], EXPR$0=[MIN($0)])
+ LogicalProject($f0=[0])
+ LogicalFilter(condition=[AND(=($7, $cor0.DEPTNO), =($1, 'SMITH'),
>($cor0.DEPTNO, 0))])
+ LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+})])
+ LogicalTableScan(table=[[CATALOG, SALES, DEPT]])
+]]>
+ </Resource>
+ <Resource name="planExpanded">
+ <![CDATA[
+LogicalProject(DEPTNO=[$0], I0=[$2], I1=[$3])
+ LogicalCorrelate(correlation=[$cor1], joinType=[left], requiredColumns=[{0}])
+ LogicalCorrelate(correlation=[$cor0], joinType=[left],
requiredColumns=[{0}])
+ LogicalTableScan(table=[[CATALOG, SALES, DEPT]])
+ LogicalAggregate(group=[{}], EXPR$0=[MIN($0)])
+ LogicalProject($f0=[1])
+ LogicalFilter(condition=[>($0, $cor0.DEPTNO)])
+ LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+ LogicalAggregate(group=[{}], EXPR$0=[MIN($0)])
+ LogicalProject($f0=[0])
+ LogicalFilter(condition=[AND(=($7, $cor1.DEPTNO), =($1, 'SMITH'),
>($cor1.DEPTNO, 0))])
+ LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+]]>
+ </Resource>
+ <Resource name="sql">
+ <![CDATA[select e.deptno,
+ (select count(*) from emp where e.deptno > 0),
+ (select count(*) from emp where e.deptno > 0 and e.deptno < 10)
+from emp e]]>
Review Comment:
@korlov42 This is not the same query that is used in the test. To avoid this
kind of problems in the future it is better to rely on the
`./core/build/resources/test/org/apache/calcite/test/SqlToRelConverterTest_actual.xml`
that is generated automatically by the framework. You can copy-paste the
latter instead of manually editing the resources file yourself.
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