Avoid a clone when creating UnionArray from ArrayData
#18607
| Job | Run time |
|---|---|
| 2m 29s | |
| -1s | |
| 2m 28s |
UnionArray from ArrayData
#18607
| Job | Run time |
|---|---|
| 2m 29s | |
| -1s | |
| 2m 28s |