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From "Sean Hsuan-Yi Chu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2345) Join between drill table and view created on the same table throws unsupported exception
Date Mon, 09 Mar 2015 23:18:38 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Hsuan-Yi Chu updated DRILL-2345:
-------------------------------------
    Assignee: Sean Hsuan-Yi Chu  (was: Jinfeng Ni)

> 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
>
> {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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