[jira] [Assigned] (CALCITE-1581) UDTF like in hive

["Julian Hyde (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-1581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde reassigned CALCITE-1581:
------------------------------------

    Assignee: Sihua Zhou  (was: Julian Hyde)

OK, I've assigned it to you.

> UDTF like in hive
> -----------------
>
>                 Key: CALCITE-1581
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1581
>             Project: Calcite
>          Issue Type: New Feature
>            Reporter: Xiaoyong Deng
>            Assignee: Sihua Zhou
>              Labels: udtf
>
> Support one row in and multi-column/multi-row out(one-to-many mapping), just like udtf in hive.
> The query would like this:
> {code}
> select
>   func(c0, c1) as (f0, f1, f2)
> from table_name;
> {code}
> c0 and c1 are 'table_name' columns. f0, f1 and f2 are new generated columns.



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