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Date: Tue, 9 Feb 2010 08:37:27 +0000 (UTC)
From: "Zheng Shao (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Updated: (HIVE-1122) Make ql/metadata/Table and Partition
 serializable
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     [ https://issues.apache.org/jira/browse/HIVE-1122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zheng Shao updated HIVE-1122:
-----------------------------

    Attachment: HIVE-1122.4.patch

This patch refactored Table.java and Partition.java to make sure these 2 classes captures all ql operations on the metastore, instead of exposing thrift Table and Partition classes directly to ql.


> Make ql/metadata/Table and Partition serializable
> -------------------------------------------------
>
>                 Key: HIVE-1122
>                 URL: https://issues.apache.org/jira/browse/HIVE-1122
>             Project: Hadoop Hive
>          Issue Type: Improvement
>    Affects Versions: 0.6.0
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>         Attachments: HIVE-1122.4.patch, HIVE-1122.pre.1.patch
>
>
> Both Table and Partition are just wrappers of the thrift class TTable and TPartition.
> However, Table and Partition are not serializable, and there are no guarantee in the code to make sure Table is in sync with the field of TTable.
> We should make Table and Partition serializable by only serializing the TTable and TPartition fields, and we should hide the TTable details inside the Table class.

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