Backup class

A backup of a Cloud Spanner database.


Backup.fromJson(Map _json)


createTime ↔ String
Output only. The backup will contain an externally consistent copy of the database at the timestamp specified by create_time. create_time is approximately the time the CreateBackup request is received.
read / write
database ↔ String
Required for the CreateBackup operation. Name of the database from which this backup was created. This needs to be in the same instance as the backup. Values are of the form projects//instances//databases/.
read / write
expireTime ↔ String
Required for the CreateBackup operation. The expiration time of the backup, with microseconds granularity that must be at least 6 hours and at most 366 days from the time the CreateBackup request is processed. Once the expire_time has passed, the backup is eligible to be automatically deleted by Cloud Spanner to free the resources used by the backup.
read / write
hashCode → int
The hash code for this object. [...]
read-only, inherited
name ↔ String
Output only for the CreateBackup operation. Required for the UpdateBackup operation. A globally unique identifier for the backup which cannot be changed. Values are of the form projects//instances//backups/a-z*[a-z0-9] The final segment of the name must be between 2 and 60 characters in length. The backup is stored in the location(s) specified in the instance configuration of the instance containing the backup, identified by the prefix of the backup name of the form projects//instances/.
read / write
referencingDatabases ↔ List<String>
Output only. The names of the restored databases that reference the backup. The database names are of the form projects//instances//databases/. Referencing databases may exist in different instances. The existence of any referencing database prevents the backup from being deleted. When a restored database from the backup enters the READY state, the reference to the backup is removed.
read / write
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited
sizeBytes ↔ String
Output only. Size of the backup in bytes.
read / write
state ↔ String
Output only. The current state of the backup. Possible string values are: [...]
read / write


noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
toJson() → Map<String, Object>
toString() → String
Returns a string representation of this object.


operator ==(Object other) → bool
The equality operator. [...]