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From "Phabricator (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2781) HBaseSerDe should allow users to specify the timestamp passed to Puts
Date Thu, 23 Feb 2012 01:45:49 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Phabricator updated HIVE-2781:
------------------------------

    Attachment: HIVE-2781.D1863.2.patch

navis updated the revision "HIVE-2781 [jira] HBaseSerDe should allow users to specify the
timestamp passed to Puts".
Reviewers: JIRA

  Bug fix for timestamp=-1

REVISION DETAIL
  https://reviews.facebook.net/D1863

AFFECTED FILES
  hbase-handler/src/java/org/apache/hadoop/hive/hbase/HBaseSerDe.java
  hbase-handler/src/java/org/apache/hadoop/hive/hbase/HBaseStorageHandler.java
  hbase-handler/src/java/org/apache/hadoop/hive/hbase/HiveHBaseTableInputFormat.java
  hbase-handler/src/java/org/apache/hadoop/hive/hbase/LazyHBaseRow.java
  hbase-handler/src/test/org/apache/hadoop/hive/hbase/TestLazyHBaseObject.java
  hbase-handler/src/test/queries/hbase_timestamp.q
  hbase-handler/src/test/results/hbase_timestamp.q.out

                
> 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: Navis
>             Fix For: 0.9.0
>
>         Attachments: HIVE-2781.D1863.1.patch, HIVE-2781.D1863.2.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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