# Class BatchCheckout (3.68.0)

3.68.0 (latest) 3.67.0 3.66.0 3.65.0 3.64.0 3.63.0 3.62.0 3.61.0 3.60.0 3.59.0 3.58.0 3.57.0 3.56.0 3.55.0 3.54.0 3.53.0 3.52.0 3.51.0 3.50.1 3.46.0 3.45.0 3.44.0 3.43.0 3.42.0 3.41.0 3.40.1 3.39.0 3.38.0 3.37.0 3.36.0 3.35.1 3.34.0 3.33.0 3.32.0 3.31.0 3.30.0 3.29.0 3.28.0 3.27.1 3.26.0 3.25.0 3.24.0 3.23.0 3.22.2 3.21.0 3.20.0 3.19.0 3.18.0 3.17.0 3.16.0 3.15.1 3.14.1 3.13.0 3.12.1 3.11.1 3.10.0 3.9.0 3.8.0 3.7.0 3.6.0 3.5.0 3.4.0 3.3.0 3.2.0 3.1.0 3.0.0 2.1.1 2.0.0 1.19.3 1.18.0 1.17.1 1.16.0 1.15.1 1.14.0 1.13.0 1.12.0 1.11.0 1.10.0

    BatchCheckout(
        database,
        request_options=None,
        max_commit_delay=None,
        exclude_txn_from_change_streams=False,
        isolation_level=IsolationLevel.ISOLATION_LEVEL_UNSPECIFIED,
        read_lock_mode=ReadLockMode.READ_LOCK_MODE_UNSPECIFIED,
        client_context=None,
        **kw
    )

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.

| ## Parameters ||
|---|---|
| **Name** | **Description** |
| `database` | `https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.database.Database` database to use |
| `request_options` | `https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.types.RequestOptions` (Optional) Common options for the commit request. If a dict is provided, it must be of the same form as the protobuf message [RequestOptions](https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.types.RequestOptions). |
| `max_commit_delay` | `` `datetime.timedelta` `` (Optional) The amount of latency this request is willing to incur in order to improve throughput. |

## Methods

### __enter__

    __enter__()

Begin `with` block.

### __exit__

    __exit__(exc_type, exc_val, exc_tb)

End `with` block.