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Posted to issues@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/10/17 15:46:00 UTC

[jira] [Commented] (HIVE-17821) TxnHandler.enqueueLockWithRetry() should not write TXN_COMPONENTS if partName=null and table is partitioned

    [ https://issues.apache.org/jira/browse/HIVE-17821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16207811#comment-16207811 ] 

Eugene Koifman commented on HIVE-17821:
---------------------------------------

Thanks Lefty

> TxnHandler.enqueueLockWithRetry() should not write TXN_COMPONENTS if partName=null and table is partitioned
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-17821
>                 URL: https://issues.apache.org/jira/browse/HIVE-17821
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Minor
>
> LM may acquire read locks on the table when writing a partition.
> There is no need to make an entry for the table if we know it's partitioned since any I/U/D must affect a partition (or set of).
> Pass isPartitioned() in LockComponent/LockRequest or look up in TxnHandler



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