Hi Hemin, Can you take a look to https://paimon.apache.org/docs/master/primary-key-table/merge-engine/#aggregation
Here is an example about order and sub-order. Best, Jingsong On Fri, Apr 12, 2024 at 11:36 AM Hemin Wen <wenhe...@apache.org> wrote: > > Hi ! > > e.g. > In the scenario of building a device wide table based on the store dimension > table, a store can be bound to multiple devices. If the store dimension > changes, the device wide table data needs to be updated at the same time to > ensure the accuracy of the store dimension data stored in the device wide > table. However, the primary key of the device wide table is the device ID. > Currently, some mainstream olap engine tables can only update data based on > the primary key. > > If it is not supported currently, are there any plans to support it in the > future? > > Thanks. > > > -------------------- > Apache DolphinScheduler Commtter > Hemin Wen 温合民 > wenhe...@apache.org > --------------------