Dan Burkert created HIVE-18852:
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Summary: 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
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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