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https://issues.apache.org/jira/browse/HIVE-18852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16555976#comment-16555976
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Andrew Sherman commented on HIVE-18852:
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Thanks [~vgarg]
> Misleading error message in alter table validation
> --------------------------------------------------
>
> Key: HIVE-18852
> URL: https://issues.apache.org/jira/browse/HIVE-18852
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Affects Versions: 2.4.0
> Reporter: Dan Burkert
> Assignee: Andrew Sherman
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-18852.1.patch, HIVE-18852.2.patch
>
>
> The metastore's validation error message when attempting to rename a table to
> a non-existent database is wrong. For instance, attempting to alter table
> 'db.table' to 'non_existent_database.table' results in the Thrift error:
> {{TException - service has thrown: InvalidOperationException(message=Unable
> to change partition or table. Database db does not exist Check metastore logs
> for detailed stack.non_existent_database)}}
> I believe the offending line of code is
> [here|https://github.com/apache/hive/blob/branch-2/metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java?utf8=%E2%9C%93#L331-L333],
> notice that {{dbname}} is used in the message, not {{newDbName}}. I don't
> know if switching that would cause the case of a non-existing {{dbname}} case
> to regress, though.
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