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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17821) TxnHandler.enqueueLockWithRetry() should now write TXN_COMPONENTS if partName=null and table is partitioned
Date Tue, 17 Oct 2017 04:30:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16206985#comment-16206985
] 

Lefty Leverenz commented on HIVE-17821:
---------------------------------------

Eugene, in the Summary is "now" a typo for "not"?  (Just a guess, since this is Greek to me.)

> TxnHandler.enqueueLockWithRetry() should now 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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