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Date: Mon, 16 Nov 2009 17:33:39 +0000 (UTC)
From: "Namit Jain (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Commented: (HIVE-655) Add support for user defined table
 generating functions
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    [ https://issues.apache.org/jira/browse/HIVE-655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12778407#action_12778407 ] 

Namit Jain commented on HIVE-655:
---------------------------------

Yes, "LATERAL VIEW" does support cartesian product.


select ...
from A LATERAL VIEW explode(c1) LATERAL VIEW explode(c2)


> Add support for user defined table generating functions
> -------------------------------------------------------
>
>                 Key: HIVE-655
>                 URL: https://issues.apache.org/jira/browse/HIVE-655
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Raghotham Murthy
>            Assignee: Paul Yang
>         Attachments: HIVE-655.1.patch, HIVE-655.2.patch
>
>
> Provide a way for users to add a table generating function, i.e., functions that generate multiple rows from a single input row. Currently, the only way to do it is via the TRANSFORM clause which requires streaming the data.

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