feat: pyspark group by n_unique and no aggregation
#4018
| Job | Run time |
|---|---|
| 2m 9s | |
| 2m 38s | |
| 58s | |
| 1m 39s | |
| 1m 48s | |
| 3m 37s | |
| 3m 23s | |
| 1m 27s | |
| 51s | |
| 18m 30s |
n_unique and no aggregation
#4018
| Job | Run time |
|---|---|
| 2m 9s | |
| 2m 38s | |
| 58s | |
| 1m 39s | |
| 1m 48s | |
| 3m 37s | |
| 3m 23s | |
| 1m 27s | |
| 51s | |
| 18m 30s |