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https://issues.apache.org/jira/browse/CARBONDATA-1671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16254813#comment-16254813
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Pawan Malwal commented on CARBONDATA-1671:
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Features proposed in this jira::
Table comment set/unset using **ALTER TABLE SET/UNSET TBLPROPERTIES** query is
not supported
eg: ALTER TABLE table_with_comment SET TBLPROPERTIES("comment"= "modified
comment)
If user wants to alter the table properties and adds/updates table comment,
inorder to handle this requirement, update the comment field value with the
newly added/modified comment when user executes **ALTER TABLE SET
TBLPROPERTIES** query.
This will also take care of unsetting the table comment when user executes
query **ALTER TABLE UNSET TBLPROPERTIES** inorder to unset or remove table
comment.
eg: ALTER TABLE table_comment UNSET TBLPROPERTIES IF EXISTS ('comment')
> Support set/unset table comment for ALTER table
> -----------------------------------------------
>
> Key: CARBONDATA-1671
> URL: https://issues.apache.org/jira/browse/CARBONDATA-1671
> Project: CarbonData
> Issue Type: Sub-task
> Reporter: Pawan Malwal
> Assignee: Pawan Malwal
>
> Table comment set/unset using **ALTER TABLE SET/UNSET TBLPROPERTIES**
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