BUG: fix fill value for gouped sum in case of unobserved categories for string dtype (empty string instead of 0) #24555
| Job | Run time |
|---|---|
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| 18m 36s | |
| 0s | |
| 23m 34s | |
| 47m 19s | |
| 43m 52s | |
| 39m 27s | |
| 19m 17s | |
| 18m 48s | |
| 19m 33s | |
| 35m 20s | |
| 33m 43s | |
| 22m 38s | |
| 36m 36s | |
| 35m 43s | |
| 17m 35s | |
| 34m 59s | |
| 42m 27s | |
| 42m 43s | |
| 48m 58s | |
| 24m 27s | |
| 21m 13s | |
| 35m 28s | |
| 34m 38s | |
| 42m 29s | |
| 46m 34s | |
| 22m 19s | |
| 45m 52s | |
| 5m 22s | |
| 36m 36s | |
| 23m 56s | |
| 20m 46s | |
| 20m 35s | |
| 16h 16m 52s |