[Feature] Support nested col pruning push down #4209
Description
Search before asking
- I searched in the issues and found nothing similar.
Motivation
Paimon's format reader alreadly support read nested struct type with purning, add test for it: #4210
we can try to push down nested projection to format reader
Solution
No response
Anything else?
No response
Are you willing to submit a PR?
- I'm willing to submit a PR!