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 of document does not mutate this ReadConcern.

property level: str | None#

The read concern level.

property ok_for_legacy: bool#

Return True if this read concern is compatible with old wire protocol versions.