[jira] Commented: (HIVE-270) Add a lazy-deserialized SerDe for space and cpu efficient serialization of rows with primitive types

["Zheng Shao (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12670257#action_12670257 ] 

Zheng Shao commented on HIVE-270:
---------------------------------

This SerDe should support the quoting (ENCLOSED BY) and escaping (ESCAPED BY) as MySQL does for "LOAD DATA" and "SELECT INTO OUTFILE".

http://dev.mysql.com/doc/refman/5.0/en/load-data.html


> Add a lazy-deserialized SerDe for space and cpu efficient serialization of rows with primitive types
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-270
>                 URL: https://issues.apache.org/jira/browse/HIVE-270
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Serializers/Deserializers
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>
> We want to add a lazy-deserialized SerDe for space and cpu efficient serialization of rows with primitive types.
> This SerDe will share the same format as MetadataTypedColumnsetSerDe/TCTLSeparatedProtocol to be backward compatible.
> This SerDe will be used to replace the default table SerDe.
> For simplicity, we don't plan to support nested structure with this SerDe.

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