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From "Francis Liu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2781) HBaseSerDe should allow users to specify the timestamp passed to Puts
Date Fri, 24 Feb 2012 22:51:49 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13216032#comment-13216032
] 

Francis Liu commented on HIVE-2781:
-----------------------------------

license granted :-)
                
> HBaseSerDe should allow users to specify the timestamp passed to Puts 
> ----------------------------------------------------------------------
>
>                 Key: HIVE-2781
>                 URL: https://issues.apache.org/jira/browse/HIVE-2781
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 0.9.0
>            Reporter: Francis Liu
>            Assignee: Francis Liu
>             Fix For: 0.9.0
>
>         Attachments: HIVE-2781.D1863.1.patch, HIVE-2781.D1863.2.patch, HIVE-2781.D1881.1.patch,
HIVE-2781.D1881.1.patch
>
>
> Users may want to specify the timestamp used for Put requests to hbase. Thus enabling
users to have the same timestamp for a single batch of writes. Which would be useful for a
number of things. HCatalog's HBase storageHandler implementation makes use of this feature
to provide users with snapshot isolation and write transactions. My proposal is to add the
timestamp option as a final static member:
> public static final long HBASE_PUT_TIMESTAMP = "hbase.put_timestamp"
> And passing this value to all the Puts created by serialize()

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