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https://issues.apache.org/jira/browse/HIVE-12902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211149#comment-15211149
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Lefty Leverenz commented on HIVE-12902:
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Also see HIVE-13344, which adds *hive.metastore.txn.store.impl* in branch-1 for
release 1.3.0.
> Refactor TxnHandler to be an interface
> --------------------------------------
>
> Key: HIVE-12902
> URL: https://issues.apache.org/jira/browse/HIVE-12902
> Project: Hive
> Issue Type: Improvement
> Components: Metastore, Transactions
> Affects Versions: 2.0.0
> Reporter: Alan Gates
> Assignee: Alan Gates
> Labels: TODOC2.1
> Fix For: 2.1.0
>
> Attachments: HIVE-12902.2.patch, HIVE-12902.3.patch, HIVE-12902.patch
>
>
> TxnHandler (and it's extender CompactionTxnHandler) implement the transaction
> functionality in the metastore. These need to be re-factored as interfaces
> so that we can have a separate implementation for the HBase metastore.
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