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From "Chun Chang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-726) order by fails when a column has null value
Date Fri, 23 May 2014 23:50:04 GMT

     [ https://issues.apache.org/jira/browse/DRILL-726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chun Chang updated DRILL-726:
-----------------------------

    Priority: Blocker  (was: Major)

> order by fails when a column has null value
> -------------------------------------------
>
>                 Key: DRILL-726
>                 URL: https://issues.apache.org/jira/browse/DRILL-726
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Chun Chang
>            Priority: Blocker
>
> postgres:
> foodmart=# select c_row, c_groupby from data order by c_row;
>  c_row | c_groupby
> -------+-----------
>      1 | a
>      2 | ab
>      3 | abc
>      4 |
>      5 |
>      6 | abc
>      7 | ab
>      8 | a
>      9 | a
>     10 | ab
>     11 | abc
>     12 |
>     13 |
>     14 | abc
>     15 | ab
>     16 | a
>     17 | a
>     18 | ab
>     19 | abc
>     20 |
>     21 |
>     22 | abc
>     23 | ab
> (23 rows)
> drill:
> 0: jdbc:drill:schema=dfs> select c_row, c_groupby from data order by c_row;
> Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while running query.[error_id:
"8dcb47ec-9c27-4a04-8b48-61e2aad2ad19"
> endpoint {
>   address: "qa-node120.qa.lab"
>   user_port: 31010
>   control_port: 31011
>   data_port: 31012
> }
> error_type: 0
> message: "Failure while running fragment. < ClassCastException:[ org.apache.drill.exec.vector.NullableIntVector
cannot be cast to org.apache.drill.exec.vector.NullableVarBinaryVector ]"
> ]
> Error: exception while executing query (state=,code=0)



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