[jira] [Commented] (DRILL-1986) Natural join query returns wrong result

["Victoria Markman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-1986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535710#comment-14535710 ] 

Victoria Markman commented on DRILL-1986:
-----------------------------------------

Verified fixed in 1.0.0

#Thu May 07 19:07:43 EDT 2015
git.commit.id.abbrev=79a712a

0: jdbc:drill:schema=dfs> select * from t1 natural join t2;
Error: SYSTEM ERROR: NATURAL JOIN is not supported
See Apache Drill JIRA: DRILL-1986
[Error Id: 3f642783-5ac6-46b2-9497-94fba6ac2a72 on atsqa4-133.qa.lab:31010] (state=,code=0)


> Natural join query returns wrong result
> ---------------------------------------
>
>                 Key: DRILL-1986
>                 URL: https://issues.apache.org/jira/browse/DRILL-1986
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 0.8.0
>            Reporter: Victoria Markman
>            Assignee: Sean Hsuan-Yi Chu
>              Labels: no_verified_test
>
> Natural join returns wrong result:
> {code}
> 0: jdbc:drill:schema=dfs> select * from `t1.json`;
> +------------+------------+------------+
> |     a1     |     b1     |     c1     |
> +------------+------------+------------+
> | 1          | 1          | 2015-01-01 |
> | 2          | 2          | 2015-01-02 |
> +------------+------------+------------+
> 2 rows selected (0.087 seconds)
> 0: jdbc:drill:schema=dfs> select * from `t2.json`;
> +------------+------------+------------+
> |     a1     |     b1     |     c1     |
> +------------+------------+------------+
> | 1          | 1          | 2015-01-01 |
> +------------+------------+------------+
> 1 row selected (0.112 seconds)
> 0: jdbc:drill:schema=dfs> select * from `t1.json` natural join `t2.json`;
> +------------+------------+------------+------------+------------+------------+
> |     a1     |     b1     |     c1     |    a10     |    b10     |    c10     |
> +------------+------------+------------+------------+------------+------------+
> +------------+------------+------------+------------+------------+------------+
> No rows selected (0.223 seconds)
> {code}
> Equivalent inner join query returns one row:
> {code}
> 0: jdbc:drill:schema=dfs> select * from `t1.json` t1, `t2.json` t2 where t1.a1=t2.a1 and t1.b1=t2.b1 and t1.c1=t2.c1;
> +------------+------------+------------+------------+------------+------------+
> |     a1     |     b1     |     c1     |    a10     |    b10     |    c10     |
> +------------+------------+------------+------------+------------+------------+
> | 1          | 1          | 2015-01-01 | 1          | 1          | 2015-01-01 |
> +------------+------------+------------+------------+------------+------------+
> 1 row selected (0.732 seconds)
> {code}
> Natural join is listed as supported in our documentation. 
> If we decide not to support it, we need to make sure to remove it from docs as well.



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