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https://issues.apache.org/jira/browse/DRILL-2011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aman Sinha updated DRILL-2011:
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Fix Version/s: (was: 1.2.0)
1.3.0
> 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
> Components: Query Planning & Optimization
> Affects Versions: 0.7.0
> Reporter: Jason Altekruse
> Assignee: Jinfeng Ni
> Fix For: 1.3.0
>
>
> 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:
> 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)
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