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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-13497) eliminate TXN_COMPONENTS
Date Tue, 03 May 2016 16:18:14 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eugene Koifman resolved HIVE-13497.
-----------------------------------
    Resolution: Won't Fix

due to dynamic partition logic, the lock information doesn't match what was actually written
in a txn so we still need TXN_COMPONENTS

> eliminate TXN_COMPONENTS
> ------------------------
>
>                 Key: HIVE-13497
>                 URL: https://issues.apache.org/jira/browse/HIVE-13497
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 1.3.0
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>
> {noformat}
> CREATE TABLE TXN_COMPONENTS (
>   TC_TXNID bigint REFERENCES TXNS (TXN_ID),
>   TC_DATABASE varchar(128) NOT NULL,
>   TC_TABLE varchar(128),
>   TC_PARTITION varchar(767)
> );
> {noformat}
> but 
> {noformat}
> select hl_db, hl_table, hl_partition, hl_txnid, from HIVE_LOCKS where hl_txnid=" + txnid
+ " and hl_lock_type=" + quoteChar(LOCK_SEMI_SHARED)
> {noformat}
> produces the same info...  
> cc [~alangates]
> But see TxnHandler.addDynamicPartitions()...



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