expression: fix tikv crash when bool like cast(bit as char) (#57484)
#15383
| Job | Run time |
|---|---|
| 1m 53s | |
| 1m 53s |
bool like cast(bit as char) (#57484)
#15383
| Job | Run time |
|---|---|
| 1m 53s | |
| 1m 53s |