google.protobuf.timestamp_pb2.Timestamp
The backup contains an externally consistent copy of
source_database at the timestamp specified by
version_time. If the
CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
request did not specify version_time, the
version_time of the backup is equivalent to the
create_time.
create_time
google.protobuf.timestamp_pb2.Timestamp
The time the
CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
request was received.
source_database
str
Name of the database the backup was created
from.