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Transaction(mapping=None, *, ignore_unknown_fields=False, **kwargs)A transaction.
Attributes |
|
|---|---|
| Name | Description |
id |
bytes
id may be used to identify the transaction in subsequent
Read][google.spanner.v1.Spanner.Read],
ExecuteSql][google.spanner.v1.Spanner.ExecuteSql],
Commit][google.spanner.v1.Spanner.Commit], or
Rollback][google.spanner.v1.Spanner.Rollback] calls.
Single-use read-only transactions do not have IDs, because
single-use transactions do not support multiple requests.
|
read_timestamp |
google.protobuf.timestamp_pb2.Timestamp
For snapshot read-only transactions, the read timestamp chosen for the transaction. Not returned by default: see TransactionOptions.ReadOnly.return_read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.return_read_timestamp].
A timestamp in RFC3339 UTC "Zulu" format, accurate to
nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".
|
precommit_token |
google.cloud.spanner_v1.types.MultiplexedSessionPrecommitToken
A precommit token will be included in the response of a BeginTransaction request if the read-write transaction is on a multiplexed session and a mutation_key was specified in the BeginTransaction][google.spanner.v1.BeginTransactionRequest].
The precommit token with the highest sequence number from
this transaction attempt should be passed to the
Commit][google.spanner.v1.Spanner.Commit] request for this
transaction. This feature is not yet supported and will
result in an UNIMPLEMENTED error.
|