def exists(self, keys: str, **kwargs) -> bool
Function
Determines whether a single key exists in the pool.
Prototype
def exists(self, keys: str, **kwargs) -> bool:
Parameters
Parameter |
Type |
Description |
|---|---|---|
keys |
String |
A single key to be queried. |
**kwargs |
- |
Optional parameters related to implementation (such as lease check, namespace, and tolerance for expiration). |
Return Value
Bool type.
- True: The key exists and is available.
- False: The key does not exist or is unavailable.
Parent topic: class MemPool