Add datanucleus.identifierFactory property HiveConf to avoid unintentional
MetaStore Schema corruption
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Key: HIVE-2059
URL: https://issues.apache.org/jira/browse/HIVE-2059
Project: Hive
Issue Type: Bug
Components: Metastore
Affects Versions: 0.7.0
Reporter: Carl Steinbach
Assignee: Carl Steinbach
Fix For: 0.7.0
Attachments: HIVE-2059.1.patch.txt
Hive 0.6.0 we upgraded the version of DataNucleus from 1.0 to 2.0, which
changed some of the defaults for how field names get mapped to datastore
identifiers. This was problem was resolved in HIVE-1435 by setting
datanucleus.identifierFactory=datanucleus in hive-default.xml
However, this property definition was not added to HiveConf. This can result in
schema corruption if the user upgrades from Hive 0.5.0 to 0.6.0 or 0.7.0 and
retains the Hive 0.5.0 version hive-default.xml on their classpath.
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