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Posted to issues@calcite.apache.org by "pengzhiwei (Jira)" <ji...@apache.org> on 2019/09/26 07:14:00 UTC
[jira] [Commented] (CALCITE-1581) UDTF like in hive
[ https://issues.apache.org/jira/browse/CALCITE-1581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16938354#comment-16938354 ]
pengzhiwei commented on CALCITE-1581:
-------------------------------------
Hi [~julianhyde], can you take a look at this pr again? I hope we can finish it at 1.22.0.
> 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: 8h 10m
> 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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