Fix #58421: Index[timestamp[pyarrow]].union with itself return object type #22715
| Job | Run time |
|---|---|
| 24m 28s | |
| 19m 16s | |
| 16m 59s | |
| 26m 20s | |
| 42m 20s | |
| 36m 23s | |
| 39m 9s | |
| 20m 15s | |
| 19m 4s | |
| 21m 16s | |
| 36m 41s | |
| 47m 17s | |
| 35m 14s | |
| 25m 46s | |
| 11m 10s | |
| 21m 20s | |
| 23m 26s | |
| 25m 36s | |
| 42m 11s | |
| 24m 46s | |
| 25m 6s | |
| 5m 52s | |
| 18m 5s | |
| 22m 4s | |
| 52m 42s | |
| 1m 14s | |
| 50m 9s | |
| 46m 55s | |
| 50m 21s | |
| 45m 33s | |
| 45m 41s | |
| 29m 26s | |
| 15h 52m 5s |