[jira] [Commented] (BEAM-9969) Beam ZetaSQL supports pure SQL user-defined table functions

["Beam JIRA Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-9969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17156353#comment-17156353 ] 

Beam JIRA Bot commented on BEAM-9969:
-------------------------------------

This issue is P2 but has been unassigned without any comment for 60 days so it has been labeled "stale-P2". If this issue is still affecting you, we care! Please comment and remove the label. Otherwise, in 14 days the issue will be moved to P3.

Please see https://beam.apache.org/contribute/jira-priorities/ for a detailed explanation of what these priorities mean.


> Beam ZetaSQL supports pure SQL user-defined table functions
> -----------------------------------------------------------
>
>                 Key: BEAM-9969
>                 URL: https://issues.apache.org/jira/browse/BEAM-9969
>             Project: Beam
>          Issue Type: Task
>          Components: dsl-sql-zetasql
>            Reporter: Rui Wang
>            Priority: P2
>              Labels: stale-P2
>
> There are four types of implementation of table-valued function:
> 1. FixedSchemaOutput. The output of the TVF is pre-defined.
> 2. InputSchemaForwardToOutput. The output schema of the TVF is the same as input schema.
> 3. InputSchemaForwardToOutputWithAppendedColumns. The output schema of the TVF is the same as input schema plus columns appended.
> 4. TemplatedTVF. Parameters of TVF are templated. (e.g. ANY TYPE, ANY TABLE, etc.)



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