fix: avoid performance warning when accessing column_count
#3504
| Job | Run time |
|---|---|
| 4m 11s | |
| 8m 9s | |
| 5m 27s | |
| 5m 5s | |
| 22m 52s |
column_count
#3504
| Job | Run time |
|---|---|
| 4m 11s | |
| 8m 9s | |
| 5m 27s | |
| 5m 5s | |
| 22m 52s |