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From "Namit Jain (JIRA)" <>
Subject [jira] Commented: (HIVE-655) Add support for user defined table generating functions
Date Mon, 16 Nov 2009 17:33:39 GMT


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:
>             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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