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https://issues.apache.org/jira/browse/FLINK-21949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Wysakowicz closed FLINK-21949.
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Fix Version/s: 1.20.0
(was: 1.19.0)
Resolution: Implemented
Implemented in 042a4d2d8a8cec10ea9c287c1ebf7769bd469b22
> Support ARRAY_AGG 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
> Assignee: Jiabao Sun
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.20.0
>
>
> 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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