Add field trait method to WindowUDFImpl, remove return_type/nullable
#1281
| Job | Run time |
|---|---|
| 2m 40s | |
| 2m 40s |
field trait method to WindowUDFImpl, remove return_type/nullable
#1281
| Job | Run time |
|---|---|
| 2m 40s | |
| 2m 40s |