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From "Raghotham Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-337) LazySimpleSerDe should support array and map types
Date Thu, 12 Mar 2009 01:55:50 GMT

    [ https://issues.apache.org/jira/browse/HIVE-337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12681141#action_12681141

Raghotham Murthy commented on HIVE-337:

@Zheng. I agree with what you said except the last statement.

> At this point, the goal is only to support what is already supported (by Meta../TCTL...).
For new features, let's keep the discussion on a separate jira.

The reason is that if our current focus is only to support what is already supported by Meta...,
we will have to visit the same problem again of creating a new SerDe to support arrays of
arrays. Then another serde to support maps of arrays and so on. I'd rather we make the decision
and the code changes now such that LazySerDe becomes the default general serde for nested
maps and arrays. I am not saying that you need to make lazy serde support everything as part
of this jira. But, what I am hoping for is the decision to *add* support for nested structures
to LazySimpleSerDe rather than creating yet another wafer thin serde.

> LazySimpleSerDe should support array and map types
> --------------------------------------------------
>                 Key: HIVE-337
>                 URL: https://issues.apache.org/jira/browse/HIVE-337
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 0.2.0
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>            Priority: Blocker
> Once we do that, we can completely deprecate DynamicSerDe/TCTLSeparatedProtocol, and
close any bugs that DynamicSerDe/TCTLSeparatedProtocol has.

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