Class MultiplexedSessionPrecommitToken (3.56.0) 

MultiplexedSessionPrecommitToken(
    mapping=None, *, ignore_unknown_fields=False, **kwargs
)

When a read-write transaction is executed on a multiplexed session, this precommit token is sent back to the client as a part of the Transaction][google.spanner.v1.Transaction] message in the BeginTransaction][google.spanner.v1.BeginTransactionRequest] response and also as a part of the ResultSet][google.spanner.v1.ResultSet] and PartialResultSet][google.spanner.v1.PartialResultSet] responses.

Attributes
Name Description
precommit_token bytes
Opaque precommit token.
seq_num int
An incrementing seq number is generated on every precommit token that is returned. Clients should remember the precommit token with the highest sequence number from the current transaction attempt.