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From "Victoria Markman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4009) Assert in a query with concat function in a group by and limit in outer query
Date Mon, 02 Nov 2015 23:03:27 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14986221#comment-14986221
] 

Victoria Markman commented on DRILL-4009:
-----------------------------------------

No limit is necessary, just wrap it in subquery:

{code}
0: jdbc:drill:schema=dfs> select * from ( select concat(b1, '***') from t1 group by concat(b1,
'***') ) as foo ;
Error: SYSTEM ERROR: AssertionError: Internal error: Type 'RecordType(ANY $f0)' has no field
'EXPR$0'
[Error Id: a276465d-87fa-4b94-899d-4003b6917bc7 on atsqa4-133.qa.lab:31010] (state=,code=0)
{code}

> Assert in a query with concat function in a group by and limit in outer query
> -----------------------------------------------------------------------------
>
>                 Key: DRILL-4009
>                 URL: https://issues.apache.org/jira/browse/DRILL-4009
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 1.2.0
>            Reporter: Victoria Markman
>
> {code}
> 0: jdbc:drill:schema=dfs> select * from ( select concat(b1, '***') from t1 group by
concat(b1, '***') ) limit 10;
> Error: SYSTEM ERROR: AssertionError: Internal error: Type 'RecordType(ANY $f0)' has no
field 'EXPR$0'
> [Error Id: 3366119e-baec-4aa1-b4fe-a58947bba088 on atsqa4-133.qa.lab:31010] (state=,code=0)
> {code}
> Works:
> {code}
> 0: jdbc:drill:schema=dfs> select concat(b1, '***') from t1 group by concat(b1, '***')
limit 10;
> +-----------+
> |  EXPR$0   |
> +-----------+
> | ***       |
> | aaaaa***  |
> | bbbbb***  |
> | ccccc***  |
> | eeeee***  |
> | fffff***  |
> | ggggg***  |
> | hhhhh***  |
> | iiiii***  |
> | jjjjj***  |
> +-----------+
> 10 rows selected (0.672 seconds)
> {code}
> Drill version:
> {code}
> #Sat Oct 31 01:10:06 UTC 2015
> git.commit.id.abbrev=e4b94a7
> {code}



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