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https://issues.apache.org/jira/browse/CALCITE-1581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16808689#comment-16808689
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pengzhiwei edited comment on CALCITE-1581 at 4/3/19 12:56 PM:
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Hi [~julianhyde], I have done the syntax validation in _SqlValidatorImpl_ and
rewrite the plan in _SqlToRelConverter_. The PR has updated, please have a
look again,Thanks!
was (Author: pzw2018):
Hi [~julianhyde], I have done the syntax validation in _SqlValidatorImpl_ and
rewrite the plan in _SqlToRelConverter_. __The PR has updated, please have a
look again,Thanks!
> 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
> Priority: Major
> Labels: pull-request-available, udtf
> Fix For: 1.20.0
>
> Time Spent: 2h 50m
> 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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