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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 |
`.timestamp.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"``. |