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Posted to issues@kudu.apache.org by "Mike Percy (JIRA)" <ji...@apache.org> on 2016/06/08 20:54:21 UTC

[jira] [Commented] (KUDU-1480) alter table: Allow for non-destructive modification of columns

    [ https://issues.apache.org/jira/browse/KUDU-1480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15321425#comment-15321425 ] 

Mike Percy commented on KUDU-1480:
----------------------------------

See AlterTableRequest in https://github.com/apache/incubator-kudu/blob/master/src/kudu/master/master.proto for a list of supported alter operations from a wire protocol perspective.

> alter table: Allow for non-destructive modification of columns
> --------------------------------------------------------------
>
>                 Key: KUDU-1480
>                 URL: https://issues.apache.org/jira/browse/KUDU-1480
>             Project: Kudu
>          Issue Type: Bug
>          Components: tablet
>    Affects Versions: 0.9.0
>            Reporter: Mike Percy
>
> Kudu doesn't currently allow for modifying a column, except for its name.
> We should be able to support additional modifications:
> * Widen a data type (int32 -> int64)
> * Make a column nullable
> * Change a column default



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