Jason Altekruse created DRILL-2011:
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Summary: View on top of a aggregation over a subquery fails to plan
Key: DRILL-2011
URL: https://issues.apache.org/jira/browse/DRILL-2011
Project: Apache Drill
Issue Type: Bug
Reporter: Jason Altekruse
This last query in this test will currently fail to plan, the exception is -
SEVERE: org.eigenbase.util.EigenbaseContextException: At line 0, column 0:
Table 'EXPR$0' not found
The anonymous sub-query in the view is not able to be resolved inside of
calcite, simply giving an alias to the subquery fixes the planning issue. The
query runs fine if not defined in a view.
<code>
@Test
public void testAggOnSubquery() throws Exception {
test("use dfs.tmp");
test("create or replace view testAggOnSubquery_view as select n_nationkey,
sum(n_regionkey) from (select n_nationkey,n_regionkey from
cp.`tpch/nation.parquet`) GROUP BY n_nationkey");
test("select n_nationkey from testAggOnSubquery_view");
}
</code>
This runs fine
<code>
select n_nationkey from (select n_nationkey, sum(n_regionkey) from (select
n_nationkey,n_regionkey from cp.`tpch/nation.parquet`) GROUP BY n_nationkey)
</code>
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