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https://issues.apache.org/jira/browse/IGNITE-9546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denis Magda closed IGNITE-9546.
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> 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: Denis Magda
> 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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