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Roland Johann edited comment on FLINK-21949 at 4/7/23 6:50 PM: --------------------------------------------------------------- Is someone working on this one? If someone can provide moderate guidance I can support to implement it. Especially how to implement aggregate functions that accept table aliases as argument is something I din't figure out yet. was (Author: rolandjohann): Is someone working on this one? If someone can provide moderate guidance I can support to implement it. > 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>. -- This message was sent by Atlassian Jira (v8.20.10#820010)