[jira] [Commented] (ATLAS-752) Column renames should retain traits/tags

["Vimal Sharma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ATLAS-752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15279817#comment-15279817 ] 

Vimal Sharma commented on ATLAS-752:
------------------------------------

It makes sense to retain traits/tags for a column after a RENAME COLUMN command. However a REPLACE COLUMNS command is quite generic in the sense that we may or may not want to preserve the traits/tags associated with the original set of columns in the table.


[~suma.shivaprasad] What are your thoughts on preserving tags for columns after a REPLACE COLUMNS operation.

> Column renames should retain traits/tags
> ----------------------------------------
>
>                 Key: ATLAS-752
>                 URL: https://issues.apache.org/jira/browse/ATLAS-752
>             Project: Atlas
>          Issue Type: Bug
>    Affects Versions: 0.7-incubating
>            Reporter: Suma Shivaprasad
>            Assignee: Vimal Sharma
>             Fix For: 0.7-incubating
>
>
> Currently ALTER TABLE REPLACE COLUMNS which renames a column, recreates the columns since the name has changed. Instead it should just update column name and qualifiedName



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