julianhyde commented on a change in pull request #2092:
URL: https://github.com/apache/calcite/pull/2092#discussion_r469727143
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File path:
core/src/test/resources/org/apache/calcite/test/SqlToRelConverterTest.xml
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@@ -323,7 +323,121 @@ LogicalProject(DEPTNO=[$0], NAME=[$1], I=[$2])
]]>
</Resource>
</TestCase>
- <TestCase name="testSnapshotOnTemporalTable1">
+ <TestCase name="testTableFunctionInSelect">
+ <Resource name="sql">
+ <![CDATA[select * from (select table_func(dept.deptno) as (f0, f1)
from dept)]]>
+ </Resource>
+ <Resource name="plan">
+ <![CDATA[
+LogicalProject(F0=[$2], F1=[$3])
+ LogicalCorrelate(correlation=[$cor0], joinType=[inner],
requiredColumns=[{0}])
+ LogicalTableScan(table=[[CATALOG, SALES, DEPT]])
+ LogicalTableFunctionScan(invocation=[TABLE_FUNC($cor0.DEPTNO)],
rowType=[RecordType(BIGINT f0, VARCHAR f1)], elementType=[class
[Ljava.lang.Object;])
Review comment:
I think `LoggicalCorrelate` is the right thing. This is a function that
RETURNS a table on each invocation but its arguments are scalars, and the
scalars are correlating variables.
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