Xujian Duan

[fix](function) support return JsonType for If function

7

## Proposed changes Issue Number: close #34579 add a FunctionSignature for If to support return Type is JsonType. ## Further comments If this is a relatively large or complex change,...

[optimize](cooldown) check remote meta path exists before trying to follow cooldowned data

4

## Proposed changes Issue Number: close #xxx If we set a storage policy for a tablet, doris will choose a replica to cooldown, and other replicas will follow it, but...