# Module batch (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 Context manager for Cloud Spanner batched writes.

## Classes

### [Batch](https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.batch.Batch)

    Batch(session, client_context=None)

Accumulate mutations for transmission during `commit`.

### [MutationGroup](https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.batch.MutationGroup)

    MutationGroup(session, mutations=[])

A container for mutations.

Clients should use xref_MutationGroups to
obtain instances instead of directly creating instances.

| **Parameters** ||
|---|---|
| **Name** | **Description** |
| `session` | `https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.session.Session` The session used to perform the commit. |
| `mutations` | `list` The list into which mutations are to be accumulated. |

### [MutationGroups](https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.batch.MutationGroups)

    MutationGroups(session, client_context=None)

Accumulate mutation groups for transmission during `batch_write`.

| **Parameter** ||
|---|---|
| **Name** | **Description** |
| `session` | `https://docs.cloud.google.com/python/docs/reference/spanner/latest/google.cloud.spanner_v1.session.Session` the session used to perform the commit |