[jira] [Updated] (HIVE-20132) External Table: Alter Table Change column is not supported.

["Stamatis Zampetakis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-20132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stamatis Zampetakis updated HIVE-20132:
---------------------------------------
    Fix Version/s:     (was: 3.0.0)

I cleared the fixVersion field since this ticket is still open. Please review this ticket and if the fix is already committed to a specific version please set the version accordingly and mark the ticket as RESOLVED.

According to the [JIRA guidelines|https://cwiki.apache.org/confluence/display/Hive/HowToContribute] the fixVersion should be set only when the issue is resolved/closed.

> External Table: Alter Table Change column is not supported.
> -----------------------------------------------------------
>
>                 Key: HIVE-20132
>                 URL: https://issues.apache.org/jira/browse/HIVE-20132
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 3.0.0
>            Reporter: Dileep Kumar Chiguruvada
>            Assignee: Ashutosh Chauhan
>            Priority: Major
>
> External Table: Alter Table Change column is not supported..
> It fails with "ALTER TABLE can only be used for [ADDPROPS, DROPPROPS, ADDCOLS] to a non-native table"
> {code}
> 0: jdbc:hive2://ctr-e138-1518143905142-404953> alter table calcs change column key string int;
> Error: Error while compiling statement: FAILED: SemanticException [Error 10134]: ALTER TABLE can only be used for [ADDPROPS, DROPPROPS, ADDCOLS] to a non-native table  calcs (state=42000,code=10134)
> {code}
> This is very much required for upgraded clusters where managed tables(in 2.6 clusters) automatically converted to external tables(in 3.0.0).
> One such use case is  Storagehandler Tables, where we might need to alter columns.



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