read_concern
-- Tools for working with read concern.#
Tools for working with read concerns.
- class pymongo.read_concern.ReadConcern(level: str | None = None)#
- Parameters:
level: (string) The read concern level specifies the level of isolation for read operations. For example, a read operation using a read concern level of
majority
will only return data that has been written to a majority of nodes. If the level is left unspecified, the server default will be used.
在 3.2 版本加入.
- property document: Dict[str, Any]#
The document representation of this read concern.
备注
ReadConcern
is immutable. Mutating the value ofdocument
does not mutate thisReadConcern
.