Wang Weidong created CALCITE-3466:
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Summary: JDBC adapter dropped group by statement in subquery
Key: CALCITE-3466
URL: https://issues.apache.org/jira/browse/CALCITE-3466
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.21.0, 1.22.0
Reporter: Wang Weidong
Fix For: 1.22.0
While convert RelNode to SqlNode, the "group by" statement in subquery was
dropped unexpectedly. For example,
original sql is:
_select a, avg(c1) from (select a,sum(d),b as c1 from t_testProjectMerge group
by b,a) as t group by a_
RelNode converted by SqlNode is
_LogicalAggregate(group=[{0}], EXPR$1=[AVG($1)])
LogicalProject(A=[$1], C1=[$0])
LogicalAggregate(group=[{0, 1}], EXPR$1=[SUM($2)])
LogicalProject(B=[$1], A=[$0], D=[$3])
EnumerableTableScan(table=[[T_TESTPROJECTMERGE]])
_
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