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https://issues.apache.org/jira/browse/FLINK-28235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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luoyuxia resolved FLINK-28235.
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Resolution: Duplicate
> Min aggregate function support type: ''ARRAY''.
> -----------------------------------------------
>
> Key: FLINK-28235
> URL: https://issues.apache.org/jira/browse/FLINK-28235
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Affects Versions: 1.15.0
> Reporter: tartarus
> Priority: Major
>
> Min aggregate function does not support type: ''ARRAY''.
> We can reproduce it with the following SQL
> {code:java}
> select app, concat_ws(',', collect_set(cast(user_id as string))) as
> user_list, count(distinct user_id) as uv from test_table group by app {code}
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