[jira] Commented: (HIVE-938) dynamic partitions by altering table

["Namit Jain (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12778939#action_12778939 ] 

Namit Jain commented on HIVE-938:
---------------------------------

Prasad Chakka added a comment - 17/Nov/09 03:25 PM
@Namit: you can't change the partition keys of a table. 

> dynamic partitions by altering table
> ------------------------------------
>
>                 Key: HIVE-938
>                 URL: https://issues.apache.org/jira/browse/HIVE-938
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Namit Jain
>
> { create table T(a int, b string, ds string); insert overwrite table T select * from S where ds >= '2009-11-1' and ds <= '2009-11-16'; alter table T partitioned by (ds); } 
> should make T partitioned by the unique values of ds

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