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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3247) Sorted by order of table not respected
Date Thu, 12 Jul 2012 05:53:36 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13412534#comment-13412534
] 

Namit Jain commented on HIVE-3247:
----------------------------------

+1

Running tests
                
> Sorted by order of table not respected
> --------------------------------------
>
>                 Key: HIVE-3247
>                 URL: https://issues.apache.org/jira/browse/HIVE-3247
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.10.0
>            Reporter: Kevin Wilfong
>            Assignee: Navis
>
> When a table a sorted by a column or columns, and data is inserted with hive.enforce.sorting=true,
regardless of whether the metadata says the table is sorted in ascending or descending order,
the data will be sorted in ascending order.
> e.g.
> create table table_desc(key string, value string) clustered by (key) sorted by (key DESC)
into 1 BUCKETS;
> create table table_asc(key string, value string) clustered by (key) sorted by (key ASC)
into 1 BUCKETS;
> insert overwrite table table_desc select key, value from src;
> insert overwrite table table_asc select key, value from src;
> select * from table_desc;
> ...
> 96	val_96
> 97	val_97
> 97	val_97
> 98	val_98
> 98	val_98
> select * from table_asc;
> ...
> 96	val_96
> 97	val_97
> 97	val_97
> 98	val_98
> 98	val_98

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