[CH] Make building `Aggregator::Params` more friendly

apache / incubator-gluten

Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines.

https://gluten.apache.org/

Apache License 2.0

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Closed lgbo-ustc closed 4 days ago

lgbo-ustc commented 5 days ago

Aggregator::Params is a complex setting bundle, it's easy to make errors, take #7959 as an example.

We should make it easy to build an Aggregator::Params for following aggregte modes