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https://issues.apache.org/jira/browse/FLINK-21949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17335431#comment-17335431
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Jark Wu commented on FLINK-21949:
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[~jiabao.sun] could you help to investigate what's the function name in other
database vendors, e.g. Oracle, Postgres, Snowflakes, etc...
After investigation, we can come up with a proper name for Flink.
> Support collect to array aggregate function
> -------------------------------------------
>
> Key: FLINK-21949
> URL: https://issues.apache.org/jira/browse/FLINK-21949
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Affects Versions: 1.12.0
> Reporter: jiabao sun
> Priority: Minor
>
> Some nosql databases like mongodb and elasticsearch support nested data types.
> Aggregating multiple rows into ARRAY<ROW> is a common requirement.
> The CollectToArray function is similar to Collect, except that it returns
> ARRAY<ROW> instead of MULTISET<ROW>.
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