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https://issues.apache.org/jira/browse/HIVE-20132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dileep Kumar Chiguruvada reassigned HIVE-20132:
-----------------------------------------------
Assignee: Ashutosh Chauhan
> 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
> Fix For: 3.0.0
>
>
> 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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