[jira] [Commented] (IGNITE-9546) Document GROUP_CONCAT aggregate function

["Artem Budnikov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-9546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16643090#comment-16643090 ] 

Artem Budnikov commented on IGNITE-9546:
----------------------------------------

I updated the description.

[~pgarg] please review the page: https://apacheignite-sql.readme.io/v2.6/docs/group_concat

> Document GROUP_CONCAT aggregate function
> ----------------------------------------
>
>                 Key: IGNITE-9546
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9546
>             Project: Ignite
>          Issue Type: Task
>          Components: documentation, sql
>    Affects Versions: 2.6
>            Reporter: Taras Ledkov
>            Assignee: Artem Budnikov
>            Priority: Major
>             Fix For: 2.7
>
>
> We need to document GROUP_CONCAT aggregate function.
> # Explain users that {{DISTINCT}} and {{ORDER BY}} is supported only for collocated {{GROUP BY}};
> # String concatenation expressions are separated by {{||}} (not by comma as described at the [draft|https://dash.readme.io/project/apacheignite-sql/v2.6/docs/group_concat]); e.g.: {{GROUP_CONCAT(valueId || '=' || value SEPARATOR '; ')}}



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