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https://issues.apache.org/jira/browse/HIVE-23318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17096309#comment-17096309
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Denys Kuzmenko commented on HIVE-23318:
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I think it would be a cleaner solution if we could introduce new TxnType for
materialized views and set it in OpenTxnRequest when opening new transaction.
> TxnHandler need not delete from MATERIALIZATION_REBUILD_LOCKS on need basis
> ---------------------------------------------------------------------------
>
> Key: HIVE-23318
> URL: https://issues.apache.org/jira/browse/HIVE-23318
> Project: Hive
> Issue Type: Improvement
> Components: Hive, Materialized views
> Reporter: Rajesh Balamohan
> Priority: Minor
>
> Observed the following queries when materialized view or any of its feature
> was not used.
> TxnHandler need not clear this part of txn commit. It would help in reducing
> the sql parsing time in server side as well.
> {noformat}
> G....delete from MATERIALIZATION_REBUILD_LOCKS where mrl_txn_id = 120398082
> G....delete from MATERIALIZATION_REBUILD_LOCKS where mrl_txn_id = 120398084
> G....delete from MATERIALIZATION_REBUILD_LOCKS where mrl_txn_id = 120398112
> {noformat}
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