[jira] Resolved: (HIVE-814) exception alter a int typed column to date/datetime/timestamp

["Paul Yang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Yang resolved HIVE-814.
----------------------------

       Resolution: Fixed
    Fix Version/s: 0.6.0
                   0.5.0
     Release Note: Addressed by HIVE-1059

> exception alter a int typed column to date/datetime/timestamp
> -------------------------------------------------------------
>
>                 Key: HIVE-814
>                 URL: https://issues.apache.org/jira/browse/HIVE-814
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Min Zhou
>             Fix For: 0.5.0, 0.6.0
>
>
> As fas as i know, time types can only be used in partitions,  normal columns is not allowed to be set as those types . But it's found can alter a no time types column to date/datetime/timestamp,but exceptions will be throwed when describing.
> hive> create table pokes(foo int, bar string);
> OK
> Time taken: 0.894 seconds
> hive> alter table pokes replace columns(foo date, bar string);
> OK
> Time taken: 0.266 seconds
> hive> describe pokes;      
> FAILED: Error in metadata: MetaException(message:java.lang.IllegalArgumentException Error: type expected at the position 0 of 'date:string' but 'date' is found.)
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask

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