Module write_concern 

Per-write acknowledgement policy and progress receipts. Acknowledgement thresholds do not establish a global mutation order.

Structs

WriteConcernOptions

Per-write wait policy. Timeout starts when the receiving node applies the update. Transport and actor admission have their own deadlines.

WriteConcernOptionsBuilder

Use builder syntax to set the inputs and finish with build().

WriteConcernReceipt

Actual acknowledgement progress. The receiving node always counts as one. An unknown replica count is represented by None for local-only writes.

Enums

WriteConcern

Total acknowledgements, including the receiving node.

WriteConcernOutcome

WriteConcernPolicyError

Constants

MAX_WRITE_CONCERN_POLICY_BYTES

MAX_WRITE_CONCERN_REPLICAS

Functions

preflight_policy

preflight_result