enhance storage handler interface to allow for atomic operations
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Key: HIVE-1225
URL: https://issues.apache.org/jira/browse/HIVE-1225
Project: Hadoop Hive
Issue Type: Improvement
Components: Query Processor
Affects Versions: 0.6.0
Reporter: John Sichi
Assignee: John Sichi
Fix For: 0.6.0
For native tables, we support atomic operations such as INSERT by only moving
files from tmp to the real location once the operation is complete. Some
storage handlers may be able to support something equivalent; e.g. for HBase,
we could purge new timestamps if the operation fails. Even if we don't go all
the way to two-phase-commit, we could at least enable something that handles
most simple cases.
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