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From "Prasad Chakka (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-341) Specifying partition column without table alias causes unknown exception
Date Wed, 11 Mar 2009 08:30:50 GMT

    [ https://issues.apache.org/jira/browse/HIVE-341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680800#action_12680800
] 

Prasad Chakka commented on HIVE-341:
------------------------------------

it is the partition pruning code that is bailing out here. if we fix that code few other JIRAs
also will be closed.

> Specifying partition column without table alias causes unknown exception
> ------------------------------------------------------------------------
>
>                 Key: HIVE-341
>                 URL: https://issues.apache.org/jira/browse/HIVE-341
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.2.0
>            Reporter: Raghotham Murthy
>
> Created two tables - tmp_rsm_abc and tmp_rsm_abc1. The latter is partitioned on ds. Query
on first table succeeds, but query on second fails. See the session below.
> hive> describe tmp_rsm_abc;                                                      
                                                  
> a	string
> b	int
> Time taken: 0.116 seconds
> hive> select a, b from tmp_rsm_abc where b > 5;  <-------------------------------------
this query succeeds
> Unknown	19
> Unknown	29
> Unknown	29
> Unknown	29
> Unknown	30
> Unknown	25
> Unknown	15
> Unknown	17
> Unknown	28
> Unknown	17
> Time taken: 8.198 seconds
> hive> create table tmp_rsm_abc1(a string, b int) partitioned by (ds string);
> OK
> Time taken: 0.118 seconds
> hive> insert overwrite table tmp_rsm_abc1 partition (ds = '10') select a, b from tmp_rsm_abc
where b > 5;
> 10 Rows loaded to tmp_rsm_abc1
> OK
> Time taken: 9.319 seconds
> hive> select a, b from tmp_rsm_abc1 where ds = '10'; <---------------------------------------------
this query fails
> FAILED: Unknown exception : null
> Time taken: 0.053 seconds
> hive> 

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