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Posted to issues@drill.apache.org by "Aman Sinha (JIRA)" <ji...@apache.org> on 2015/04/13 19:05:12 UTC
[jira] [Updated] (DRILL-2345) Join between drill table and view
created on the same table throws unsupported exception
[ https://issues.apache.org/jira/browse/DRILL-2345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aman Sinha updated DRILL-2345:
------------------------------
Fix Version/s: (was: 0.9.0)
1.0.0
> Join between drill table and view created on the same table throws unsupported exception
> ----------------------------------------------------------------------------------------
>
> Key: DRILL-2345
> URL: https://issues.apache.org/jira/browse/DRILL-2345
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.8.0
> Reporter: Victoria Markman
> Assignee: Sean Hsuan-Yi Chu
> Fix For: 1.0.0
>
>
> {code}
> 0: jdbc:drill:schema=dfs> select * from t1 limit 1;
> +------------+------------+------------+
> | a1 | b1 | c1 |
> +------------+------------+------------+
> | 1 | aaaaa | 2015-01-01 |
> +------------+------------+------------+
> 1 row selected (0.068 seconds)
> 0: jdbc:drill:schema=dfs> create view v1(x,y,z) as select a1, b1, c1 from t1;
> +------------+------------+
> | ok | summary |
> +------------+------------+
> | true | View 'v1' created successfully in 'dfs.aggregation' schema |
> +------------+------------+
> 1 row selected (0.084 seconds)
> {code}
> Inner join between table and a view on the same table should work:
> {code}
> 0: jdbc:drill:schema=dfs> select * from t1 inner join v1 on t1.a1 = v1.x;
> Query failed: UnsupportedRelOperatorException: This query cannot be planned possibly due to either a cartesian join or an inequality join
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> Self join works:
> {code}
> 0: jdbc:drill:schema=dfs> select t1.a1, t1_alias.a1 from t1 inner join t1 t1_alias on t1.a1 = t1_alias.a1;
> +------------+------------+
> | a1 | a10 |
> +------------+------------+
> | 1 | 1 |
> | 2 | 2 |
> | 3 | 3 |
> | 4 | 4 |
> | 5 | 5 |
> | 6 | 6 |
> | 7 | 7 |
> | 9 | 9 |
> | 10 | 10 |
> +------------+------------+
> 9 rows selected (0.09 seconds)
> {code}
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