Module database (1.15.1)

Version 1.15.1

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User friendly container for Cloud Spanner Database.

Classes

BatchCheckout

BatchCheckout(database)

Context manager for using a batch from a database.

Inside the context manager, checks out a session from the database, creates a batch from it, making the batch available.

Caller must not use the batch to perform API requests outside the scope of the context manager.

Parameter
Name	Description
database	Database database to use

BatchSnapshot

BatchSnapshot(database, read_timestamp=None, exact_staleness=None)

Wrapper for generating and processing read / query batches.

Parameters
Name	Description
database	Database database to use
read_timestamp	datetime.datetime Execute all reads at the given timestamp.
exact_staleness	datetime.timedelta Execute all reads at a timestamp that is exact_staleness old.

Database

Database(database_id, instance, ddl_statements=(), pool=None)

Representation of a Cloud Spanner Database.

We can use a Database to:

• create the database
• reload the database
• update the database
• drop the database

Parameters
Name	Description
database_id	str The ID of the database.
instance	Instance The instance that owns the database.
ddl_statements	list of string (Optional) DDL statements, excluding the CREATE DATABASE statement.
pool	concrete subclass of AbstractSessionPool. (Optional) session pool to be used by database. If not passed, the database will construct an instance of BurstyPool.

ResourceRoutingPermissionsWarning

API documentation for spanner_v1.database.ResourceRoutingPermissionsWarning class.

SnapshotCheckout

SnapshotCheckout(database, **kw)

Context manager for using a snapshot from a database.

Inside the context manager, checks out a session from the database, creates a snapshot from it, making the snapshot available.

Caller must not use the snapshot to perform API requests outside the scope of the context manager.

Parameters
Name	Description
kw	dict Passed through to Snapshot constructor.
database	Database database to use