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

["Chunwei Lei (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-1581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16984209#comment-16984209 ] 

Chunwei Lei commented on CALCITE-1581:
--------------------------------------

[~pzw2018], could you please address comments from other reviewers? We might get it into 1.22.

> 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: pengzhiwei
>            Priority: Major
>              Labels: pull-request-available, udtf
>             Fix For: 1.22.0
>
>          Time Spent: 9h 40m
>  Remaining Estimate: 0h
>
> 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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