MasonMa-sy opened a new issue, #6092: URL: https://github.com/apache/paimon/issues/6092
### Search before asking - [x] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar. ### Motivation The only aggregate function currently supported for nested types is nestd_update. There is no support for STRUCT type yet. For spark example ```sql CREATE TABLE t( k INT, a STRUCT<a1: BIGINT, a2: BIGINT>, g INT ) TBLPROPERTIES ('primary-key' = 'k', 'merge-engine' = 'partial-update', 'fields.g.sequence-group'='a.a1,a.a2', 'fields.a.a1.aggregate-function'='sum', 'fields.a.a2.aggregate-function'='product' ) INSERT INTO t VALUES (1, STRUCT(1,3), 1); INSERT INTO t VALUES (1, STRUCT(2,4), 2); ``` The result expected is `1, STRUCT(3,12), 2`. However the actually output is `1, STRUCT(2,4), 2` because of nested aggregate-function has not been implemented. ### Solution _No response_ ### Anything else? _No response_ ### Are you willing to submit a PR? - [ ] I'm willing to submit a PR! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@paimon.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
