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<h1><a href="spanner_v1.html">Cloud Spanner API</a> . <a href="spanner_v1.projects.html">projects</a> . <a href="spanner_v1.projects.instances.html">instances</a> . <a href="spanner_v1.projects.instances.databases.html">databases</a></h1>
<h2>Instance Methods</h2>
<p class="toc_element">
<code><a href="spanner_v1.projects.instances.databases.operations.html">operations()</a></code>
</p>
<p class="firstline">Returns the operations Resource.</p>
<p class="toc_element">
<code><a href="spanner_v1.projects.instances.databases.sessions.html">sessions()</a></code>
</p>
<p class="firstline">Returns the sessions Resource.</p>
<p class="toc_element">
<code><a href="#create">create(parent, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Creates a new Cloud Spanner database and starts to prepare it for serving.</p>
<p class="toc_element">
<code><a href="#dropDatabase">dropDatabase(database, x__xgafv=None)</a></code></p>
<p class="firstline">Drops (aka deletes) a Cloud Spanner database.</p>
<p class="toc_element">
<code><a href="#get">get(name, x__xgafv=None)</a></code></p>
<p class="firstline">Gets the state of a Cloud Spanner database.</p>
<p class="toc_element">
<code><a href="#getDdl">getDdl(database, x__xgafv=None)</a></code></p>
<p class="firstline">Returns the schema of a Cloud Spanner database as a list of formatted</p>
<p class="toc_element">
<code><a href="#getIamPolicy">getIamPolicy(resource, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Gets the access control policy for a database or backup resource.</p>
<p class="toc_element">
<code><a href="#list">list(parent, pageToken=None, pageSize=None, x__xgafv=None)</a></code></p>
<p class="firstline">Lists Cloud Spanner databases.</p>
<p class="toc_element">
<code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
<p class="firstline">Retrieves the next page of results.</p>
<p class="toc_element">
<code><a href="#restore">restore(parent, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Create a new database by restoring from a completed backup. The new</p>
<p class="toc_element">
<code><a href="#setIamPolicy">setIamPolicy(resource, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Sets the access control policy on a database or backup resource.</p>
<p class="toc_element">
<code><a href="#testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Returns permissions that the caller has on the specified database or backup</p>
<p class="toc_element">
<code><a href="#updateDdl">updateDdl(database, body=None, x__xgafv=None)</a></code></p>
<p class="firstline">Updates the schema of a Cloud Spanner database by</p>
<h3>Method Details</h3>
<div class="method">
<code class="details" id="create">create(parent, body=None, x__xgafv=None)</code>
<pre>Creates a new Cloud Spanner database and starts to prepare it for serving.
The returned long-running operation will
have a name of the format `&lt;database_name&gt;/operations/&lt;operation_id&gt;` and
can be used to track preparation of the database. The
metadata field type is
CreateDatabaseMetadata. The
response field type is
Database, if successful.
Args:
parent: string, Required. The name of the instance that will serve the new database.
Values are of the form `projects/&lt;project&gt;/instances/&lt;instance&gt;`. (required)
body: object, The request body.
The object takes the form of:
{ # The request for CreateDatabase.
&quot;extraStatements&quot;: [ # Optional. A list of DDL statements to run inside the newly created
# database. Statements can create tables, indexes, etc. These
# statements execute atomically with the creation of the database:
# if there is an error in any statement, the database is not created.
&quot;A String&quot;,
],
&quot;createStatement&quot;: &quot;A String&quot;, # Required. A `CREATE DATABASE` statement, which specifies the ID of the
# new database. The database ID must conform to the regular expression
# `a-z*[a-z0-9]` and be between 2 and 30 characters in length.
# If the database ID is a reserved word or if it contains a hyphen, the
# database ID must be enclosed in backticks (`` ` ``).
}
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # This resource represents a long-running operation that is the result of a
# network API call.
&quot;name&quot;: &quot;A String&quot;, # The server-assigned name, which is only unique within the same service that
# originally returns it. If you use the default HTTP mapping, the
# `name` should be a resource name ending with `operations/{unique_id}`.
&quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
# different programming environments, including REST APIs and RPC APIs. It is
# used by [gRPC](https://github.com/grpc). Each `Status` message contains
# three pieces of data: error code, error message, and error details.
#
# You can find out more about this error model and how to work with it in the
# [API Design Guide](https://cloud.google.com/apis/design/errors).
&quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
# user-facing error message should be localized and sent in the
# google.rpc.Status.details field, or localized by the client.
&quot;details&quot;: [ # A list of messages that carry the error details. There is a common set of
# message types for APIs to use.
{
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
],
&quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
},
&quot;metadata&quot;: { # Service-specific metadata associated with the operation. It typically
# contains progress information and common metadata such as create time.
# Some services might not provide such metadata. Any method that returns a
# long-running operation should document the metadata type, if any.
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
&quot;done&quot;: True or False, # If the value is `false`, it means the operation is still in progress.
# If `true`, the operation is completed, and either `error` or `response` is
# available.
&quot;response&quot;: { # The normal response of the operation in case of success. If the original
# method returns no data on success, such as `Delete`, the response is
# `google.protobuf.Empty`. If the original method is standard
# `Get`/`Create`/`Update`, the response should be the resource. For other
# methods, the response should have the type `XxxResponse`, where `Xxx`
# is the original method name. For example, if the original method name
# is `TakeSnapshot()`, the inferred response type is
# `TakeSnapshotResponse`.
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
}</pre>
</div>
<div class="method">
<code class="details" id="dropDatabase">dropDatabase(database, x__xgafv=None)</code>
<pre>Drops (aka deletes) a Cloud Spanner database.
Completed backups for the database will be retained according to their
`expire_time`.
Args:
database: string, Required. The database to be dropped. (required)
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # A generic empty message that you can re-use to avoid defining duplicated
# empty messages in your APIs. A typical example is to use it as the request
# or the response type of an API method. For instance:
#
# service Foo {
# rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
# }
#
# The JSON representation for `Empty` is empty JSON object `{}`.
}</pre>
</div>
<div class="method">
<code class="details" id="get">get(name, x__xgafv=None)</code>
<pre>Gets the state of a Cloud Spanner database.
Args:
name: string, Required. The name of the requested database. Values are of the form
`projects/&lt;project&gt;/instances/&lt;instance&gt;/databases/&lt;database&gt;`. (required)
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # A Cloud Spanner database.
&quot;createTime&quot;: &quot;A String&quot;, # Output only. If exists, the time at which the database creation started.
&quot;restoreInfo&quot;: { # Information about the database restore. # Output only. Applicable only for restored databases. Contains information
# about the restore source.
&quot;sourceType&quot;: &quot;A String&quot;, # The type of the restore source.
&quot;backupInfo&quot;: { # Information about a backup. # Information about the backup used to restore the database. The backup
# may no longer exist.
&quot;backup&quot;: &quot;A String&quot;, # Name of the backup.
&quot;sourceDatabase&quot;: &quot;A String&quot;, # Name of the database the backup was created from.
&quot;createTime&quot;: &quot;A String&quot;, # The backup contains an externally consistent copy of `source_database` at
# the timestamp specified by `create_time`.
},
},
&quot;state&quot;: &quot;A String&quot;, # Output only. The current database state.
&quot;name&quot;: &quot;A String&quot;, # Required. The name of the database. Values are of the form
# `projects/&lt;project&gt;/instances/&lt;instance&gt;/databases/&lt;database&gt;`,
# where `&lt;database&gt;` is as specified in the `CREATE DATABASE`
# statement. This name can be passed to other API methods to
# identify the database.
}</pre>
</div>
<div class="method">
<code class="details" id="getDdl">getDdl(database, x__xgafv=None)</code>
<pre>Returns the schema of a Cloud Spanner database as a list of formatted
DDL statements. This method does not show pending schema updates, those may
be queried using the Operations API.
Args:
database: string, Required. The database whose schema we wish to get.
Values are of the form
`projects/&lt;project&gt;/instances/&lt;instance&gt;/databases/&lt;database&gt;` (required)
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # The response for GetDatabaseDdl.
&quot;statements&quot;: [ # A list of formatted DDL statements defining the schema of the database
# specified in the request.
&quot;A String&quot;,
],
}</pre>
</div>
<div class="method">
<code class="details" id="getIamPolicy">getIamPolicy(resource, body=None, x__xgafv=None)</code>
<pre>Gets the access control policy for a database or backup resource.
Returns an empty policy if a database or backup exists but does not have a
policy set.
Authorization requires `spanner.databases.getIamPolicy` permission on
resource.
For backups, authorization requires `spanner.backups.getIamPolicy`
permission on resource.
Args:
resource: string, REQUIRED: The Cloud Spanner resource for which the policy is being retrieved. The format is `projects/&lt;project ID&gt;/instances/&lt;instance ID&gt;` for instance resources and `projects/&lt;project ID&gt;/instances/&lt;instance ID&gt;/databases/&lt;database ID&gt;` for database resources. (required)
body: object, The request body.
The object takes the form of:
{ # Request message for `GetIamPolicy` method.
&quot;options&quot;: { # Encapsulates settings provided to GetIamPolicy. # OPTIONAL: A `GetPolicyOptions` object for specifying options to
# `GetIamPolicy`.
&quot;requestedPolicyVersion&quot;: 42, # Optional. The policy format version to be returned.
#
# Valid values are 0, 1, and 3. Requests specifying an invalid value will be
# rejected.
#
# Requests for policies with any conditional bindings must specify version 3.
# Policies without any conditional bindings may specify any valid value or
# leave the field unset.
#
# To learn which resources support conditions in their IAM policies, see the
# [IAM
# documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
},
}
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # An Identity and Access Management (IAM) policy, which specifies access
# controls for Google Cloud resources.
#
#
# A `Policy` is a collection of `bindings`. A `binding` binds one or more
# `members` to a single `role`. Members can be user accounts, service accounts,
# Google groups, and domains (such as G Suite). A `role` is a named list of
# permissions; each `role` can be an IAM predefined role or a user-created
# custom role.
#
# For some types of Google Cloud resources, a `binding` can also specify a
# `condition`, which is a logical expression that allows access to a resource
# only if the expression evaluates to `true`. A condition can add constraints
# based on attributes of the request, the resource, or both. To learn which
# resources support conditions in their IAM policies, see the
# [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
#
# **JSON example:**
#
# {
# &quot;bindings&quot;: [
# {
# &quot;role&quot;: &quot;roles/resourcemanager.organizationAdmin&quot;,
# &quot;members&quot;: [
# &quot;user:[email protected]&quot;,
# &quot;group:[email protected]&quot;,
# &quot;domain:google.com&quot;,
# &quot;serviceAccount:[email protected]&quot;
# ]
# },
# {
# &quot;role&quot;: &quot;roles/resourcemanager.organizationViewer&quot;,
# &quot;members&quot;: [
# &quot;user:[email protected]&quot;
# ],
# &quot;condition&quot;: {
# &quot;title&quot;: &quot;expirable access&quot;,
# &quot;description&quot;: &quot;Does not grant access after Sep 2020&quot;,
# &quot;expression&quot;: &quot;request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)&quot;,
# }
# }
# ],
# &quot;etag&quot;: &quot;BwWWja0YfJA=&quot;,
# &quot;version&quot;: 3
# }
#
# **YAML example:**
#
# bindings:
# - members:
# - user:[email protected]
# - group:[email protected]
# - domain:google.com
# - serviceAccount:[email protected]
# role: roles/resourcemanager.organizationAdmin
# - members:
# - user:[email protected]
# role: roles/resourcemanager.organizationViewer
# condition:
# title: expirable access
# description: Does not grant access after Sep 2020
# expression: request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)
# - etag: BwWWja0YfJA=
# - version: 3
#
# For a description of IAM and its features, see the
# [IAM documentation](https://cloud.google.com/iam/docs/).
&quot;bindings&quot;: [ # Associates a list of `members` to a `role`. Optionally, may specify a
# `condition` that determines how and when the `bindings` are applied. Each
# of the `bindings` must contain at least one member.
{ # Associates `members` with a `role`.
&quot;role&quot;: &quot;A String&quot;, # Role that is assigned to `members`.
# For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
&quot;members&quot;: [ # Specifies the identities requesting access for a Cloud Platform resource.
# `members` can have the following values:
#
# * `allUsers`: A special identifier that represents anyone who is
# on the internet; with or without a Google account.
#
# * `allAuthenticatedUsers`: A special identifier that represents anyone
# who is authenticated with a Google account or a service account.
#
# * `user:{emailid}`: An email address that represents a specific Google
# account. For example, `[email protected]` .
#
#
# * `serviceAccount:{emailid}`: An email address that represents a service
# account. For example, `[email protected]`.
#
# * `group:{emailid}`: An email address that represents a Google group.
# For example, `[email protected]`.
#
# * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
# identifier) representing a user that has been recently deleted. For
# example, `[email protected]?uid=123456789012345678901`. If the user is
# recovered, this value reverts to `user:{emailid}` and the recovered user
# retains the role in the binding.
#
# * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
# unique identifier) representing a service account that has been recently
# deleted. For example,
# `[email protected]?uid=123456789012345678901`.
# If the service account is undeleted, this value reverts to
# `serviceAccount:{emailid}` and the undeleted service account retains the
# role in the binding.
#
# * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
# identifier) representing a Google group that has been recently
# deleted. For example, `[email protected]?uid=123456789012345678901`. If
# the group is recovered, this value reverts to `group:{emailid}` and the
# recovered group retains the role in the binding.
#
#
# * `domain:{domain}`: The G Suite domain (primary) that represents all the
# users of that domain. For example, `google.com` or `example.com`.
#
&quot;A String&quot;,
],
&quot;condition&quot;: { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
#
# If the condition evaluates to `true`, then this binding applies to the
# current request.
#
# If the condition evaluates to `false`, then this binding does not apply to
# the current request. However, a different role binding might grant the same
# role to one or more of the members in this binding.
#
# To learn which resources support conditions in their IAM policies, see the
# [IAM
# documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
# syntax. CEL is a C-like expression language. The syntax and semantics of CEL
# are documented at https://github.com/google/cel-spec.
#
# Example (Comparison):
#
# title: &quot;Summary size limit&quot;
# description: &quot;Determines if a summary is less than 100 chars&quot;
# expression: &quot;document.summary.size() &lt; 100&quot;
#
# Example (Equality):
#
# title: &quot;Requestor is owner&quot;
# description: &quot;Determines if requestor is the document owner&quot;
# expression: &quot;document.owner == request.auth.claims.email&quot;
#
# Example (Logic):
#
# title: &quot;Public documents&quot;
# description: &quot;Determine whether the document should be publicly visible&quot;
# expression: &quot;document.type != &#x27;private&#x27; &amp;&amp; document.type != &#x27;internal&#x27;&quot;
#
# Example (Data Manipulation):
#
# title: &quot;Notification string&quot;
# description: &quot;Create a notification string with a timestamp.&quot;
# expression: &quot;&#x27;New message received at &#x27; + string(document.create_time)&quot;
#
# The exact variables and functions that may be referenced within an expression
# are determined by the service that evaluates it. See the service
# documentation for additional information.
&quot;expression&quot;: &quot;A String&quot;, # Textual representation of an expression in Common Expression Language
# syntax.
&quot;description&quot;: &quot;A String&quot;, # Optional. Description of the expression. This is a longer text which
# describes the expression, e.g. when hovered over it in a UI.
&quot;location&quot;: &quot;A String&quot;, # Optional. String indicating the location of the expression for error
# reporting, e.g. a file name and a position in the file.
&quot;title&quot;: &quot;A String&quot;, # Optional. Title for the expression, i.e. a short string describing
# its purpose. This can be used e.g. in UIs which allow to enter the
# expression.
},
},
],
&quot;version&quot;: 42, # Specifies the format of the policy.
#
# Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
# are rejected.
#
# Any operation that affects conditional role bindings must specify version
# `3`. This requirement applies to the following operations:
#
# * Getting a policy that includes a conditional role binding
# * Adding a conditional role binding to a policy
# * Changing a conditional role binding in a policy
# * Removing any role binding, with or without a condition, from a policy
# that includes conditions
#
# **Important:** If you use IAM Conditions, you must include the `etag` field
# whenever you call `setIamPolicy`. If you omit this field, then IAM allows
# you to overwrite a version `3` policy with a version `1` policy, and all of
# the conditions in the version `3` policy are lost.
#
# If a policy does not include any conditions, operations on that policy may
# specify any valid version or leave the field unset.
#
# To learn which resources support conditions in their IAM policies, see the
# [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
&quot;etag&quot;: &quot;A String&quot;, # `etag` is used for optimistic concurrency control as a way to help
# prevent simultaneous updates of a policy from overwriting each other.
# It is strongly suggested that systems make use of the `etag` in the
# read-modify-write cycle to perform policy updates in order to avoid race
# conditions: An `etag` is returned in the response to `getIamPolicy`, and
# systems are expected to put that etag in the request to `setIamPolicy` to
# ensure that their change will be applied to the same version of the policy.
#
# **Important:** If you use IAM Conditions, you must include the `etag` field
# whenever you call `setIamPolicy`. If you omit this field, then IAM allows
# you to overwrite a version `3` policy with a version `1` policy, and all of
# the conditions in the version `3` policy are lost.
}</pre>
</div>
<div class="method">
<code class="details" id="list">list(parent, pageToken=None, pageSize=None, x__xgafv=None)</code>
<pre>Lists Cloud Spanner databases.
Args:
parent: string, Required. The instance whose databases should be listed.
Values are of the form `projects/&lt;project&gt;/instances/&lt;instance&gt;`. (required)
pageToken: string, If non-empty, `page_token` should contain a
next_page_token from a
previous ListDatabasesResponse.
pageSize: integer, Number of databases to be returned in the response. If 0 or less,
defaults to the server&#x27;s maximum allowed page size.
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # The response for ListDatabases.
&quot;databases&quot;: [ # Databases that matched the request.
{ # A Cloud Spanner database.
&quot;createTime&quot;: &quot;A String&quot;, # Output only. If exists, the time at which the database creation started.
&quot;restoreInfo&quot;: { # Information about the database restore. # Output only. Applicable only for restored databases. Contains information
# about the restore source.
&quot;sourceType&quot;: &quot;A String&quot;, # The type of the restore source.
&quot;backupInfo&quot;: { # Information about a backup. # Information about the backup used to restore the database. The backup
# may no longer exist.
&quot;backup&quot;: &quot;A String&quot;, # Name of the backup.
&quot;sourceDatabase&quot;: &quot;A String&quot;, # Name of the database the backup was created from.
&quot;createTime&quot;: &quot;A String&quot;, # The backup contains an externally consistent copy of `source_database` at
# the timestamp specified by `create_time`.
},
},
&quot;state&quot;: &quot;A String&quot;, # Output only. The current database state.
&quot;name&quot;: &quot;A String&quot;, # Required. The name of the database. Values are of the form
# `projects/&lt;project&gt;/instances/&lt;instance&gt;/databases/&lt;database&gt;`,
# where `&lt;database&gt;` is as specified in the `CREATE DATABASE`
# statement. This name can be passed to other API methods to
# identify the database.
},
],
&quot;nextPageToken&quot;: &quot;A String&quot;, # `next_page_token` can be sent in a subsequent
# ListDatabases call to fetch more
# of the matching databases.
}</pre>
</div>
<div class="method">
<code class="details" id="list_next">list_next(previous_request, previous_response)</code>
<pre>Retrieves the next page of results.
Args:
previous_request: The request for the previous page. (required)
previous_response: The response from the request for the previous page. (required)
Returns:
A request object that you can call &#x27;execute()&#x27; on to request the next
page. Returns None if there are no more items in the collection.
</pre>
</div>
<div class="method">
<code class="details" id="restore">restore(parent, body=None, x__xgafv=None)</code>
<pre>Create a new database by restoring from a completed backup. The new
database must be in the same project and in an instance with the same
instance configuration as the instance containing
the backup. The returned database long-running
operation has a name of the format
`projects/&lt;project&gt;/instances/&lt;instance&gt;/databases/&lt;database&gt;/operations/&lt;operation_id&gt;`,
and can be used to track the progress of the operation, and to cancel it.
The metadata field type is
RestoreDatabaseMetadata.
The response type
is Database, if
successful. Cancelling the returned operation will stop the restore and
delete the database.
There can be only one database being restored into an instance at a time.
Once the restore operation completes, a new restore operation can be
initiated, without waiting for the optimize operation associated with the
first restore to complete.
Args:
parent: string, Required. The name of the instance in which to create the
restored database. This instance must be in the same project and
have the same instance configuration as the instance containing
the source backup. Values are of the form
`projects/&lt;project&gt;/instances/&lt;instance&gt;`. (required)
body: object, The request body.
The object takes the form of:
{ # The request for
# RestoreDatabase.
&quot;backup&quot;: &quot;A String&quot;, # Name of the backup from which to restore. Values are of the form
# `projects/&lt;project&gt;/instances/&lt;instance&gt;/backups/&lt;backup&gt;`.
&quot;databaseId&quot;: &quot;A String&quot;, # Required. The id of the database to create and restore to. This
# database must not already exist. The `database_id` appended to
# `parent` forms the full database name of the form
# `projects/&lt;project&gt;/instances/&lt;instance&gt;/databases/&lt;database_id&gt;`.
}
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # This resource represents a long-running operation that is the result of a
# network API call.
&quot;name&quot;: &quot;A String&quot;, # The server-assigned name, which is only unique within the same service that
# originally returns it. If you use the default HTTP mapping, the
# `name` should be a resource name ending with `operations/{unique_id}`.
&quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
# different programming environments, including REST APIs and RPC APIs. It is
# used by [gRPC](https://github.com/grpc). Each `Status` message contains
# three pieces of data: error code, error message, and error details.
#
# You can find out more about this error model and how to work with it in the
# [API Design Guide](https://cloud.google.com/apis/design/errors).
&quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
# user-facing error message should be localized and sent in the
# google.rpc.Status.details field, or localized by the client.
&quot;details&quot;: [ # A list of messages that carry the error details. There is a common set of
# message types for APIs to use.
{
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
],
&quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
},
&quot;metadata&quot;: { # Service-specific metadata associated with the operation. It typically
# contains progress information and common metadata such as create time.
# Some services might not provide such metadata. Any method that returns a
# long-running operation should document the metadata type, if any.
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
&quot;done&quot;: True or False, # If the value is `false`, it means the operation is still in progress.
# If `true`, the operation is completed, and either `error` or `response` is
# available.
&quot;response&quot;: { # The normal response of the operation in case of success. If the original
# method returns no data on success, such as `Delete`, the response is
# `google.protobuf.Empty`. If the original method is standard
# `Get`/`Create`/`Update`, the response should be the resource. For other
# methods, the response should have the type `XxxResponse`, where `Xxx`
# is the original method name. For example, if the original method name
# is `TakeSnapshot()`, the inferred response type is
# `TakeSnapshotResponse`.
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
}</pre>
</div>
<div class="method">
<code class="details" id="setIamPolicy">setIamPolicy(resource, body=None, x__xgafv=None)</code>
<pre>Sets the access control policy on a database or backup resource.
Replaces any existing policy.
Authorization requires `spanner.databases.setIamPolicy`
permission on resource.
For backups, authorization requires `spanner.backups.setIamPolicy`
permission on resource.
Args:
resource: string, REQUIRED: The Cloud Spanner resource for which the policy is being set. The format is `projects/&lt;project ID&gt;/instances/&lt;instance ID&gt;` for instance resources and `projects/&lt;project ID&gt;/instances/&lt;instance ID&gt;/databases/&lt;database ID&gt;` for databases resources. (required)
body: object, The request body.
The object takes the form of:
{ # Request message for `SetIamPolicy` method.
&quot;policy&quot;: { # An Identity and Access Management (IAM) policy, which specifies access # REQUIRED: The complete policy to be applied to the `resource`. The size of
# the policy is limited to a few 10s of KB. An empty policy is a
# valid policy but certain Cloud Platform services (such as Projects)
# might reject them.
# controls for Google Cloud resources.
#
#
# A `Policy` is a collection of `bindings`. A `binding` binds one or more
# `members` to a single `role`. Members can be user accounts, service accounts,
# Google groups, and domains (such as G Suite). A `role` is a named list of
# permissions; each `role` can be an IAM predefined role or a user-created
# custom role.
#
# For some types of Google Cloud resources, a `binding` can also specify a
# `condition`, which is a logical expression that allows access to a resource
# only if the expression evaluates to `true`. A condition can add constraints
# based on attributes of the request, the resource, or both. To learn which
# resources support conditions in their IAM policies, see the
# [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
#
# **JSON example:**
#
# {
# &quot;bindings&quot;: [
# {
# &quot;role&quot;: &quot;roles/resourcemanager.organizationAdmin&quot;,
# &quot;members&quot;: [
# &quot;user:[email protected]&quot;,
# &quot;group:[email protected]&quot;,
# &quot;domain:google.com&quot;,
# &quot;serviceAccount:[email protected]&quot;
# ]
# },
# {
# &quot;role&quot;: &quot;roles/resourcemanager.organizationViewer&quot;,
# &quot;members&quot;: [
# &quot;user:[email protected]&quot;
# ],
# &quot;condition&quot;: {
# &quot;title&quot;: &quot;expirable access&quot;,
# &quot;description&quot;: &quot;Does not grant access after Sep 2020&quot;,
# &quot;expression&quot;: &quot;request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)&quot;,
# }
# }
# ],
# &quot;etag&quot;: &quot;BwWWja0YfJA=&quot;,
# &quot;version&quot;: 3
# }
#
# **YAML example:**
#
# bindings:
# - members:
# - user:[email protected]
# - group:[email protected]
# - domain:google.com
# - serviceAccount:[email protected]
# role: roles/resourcemanager.organizationAdmin
# - members:
# - user:[email protected]
# role: roles/resourcemanager.organizationViewer
# condition:
# title: expirable access
# description: Does not grant access after Sep 2020
# expression: request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)
# - etag: BwWWja0YfJA=
# - version: 3
#
# For a description of IAM and its features, see the
# [IAM documentation](https://cloud.google.com/iam/docs/).
&quot;bindings&quot;: [ # Associates a list of `members` to a `role`. Optionally, may specify a
# `condition` that determines how and when the `bindings` are applied. Each
# of the `bindings` must contain at least one member.
{ # Associates `members` with a `role`.
&quot;role&quot;: &quot;A String&quot;, # Role that is assigned to `members`.
# For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
&quot;members&quot;: [ # Specifies the identities requesting access for a Cloud Platform resource.
# `members` can have the following values:
#
# * `allUsers`: A special identifier that represents anyone who is
# on the internet; with or without a Google account.
#
# * `allAuthenticatedUsers`: A special identifier that represents anyone
# who is authenticated with a Google account or a service account.
#
# * `user:{emailid}`: An email address that represents a specific Google
# account. For example, `[email protected]` .
#
#
# * `serviceAccount:{emailid}`: An email address that represents a service
# account. For example, `[email protected]`.
#
# * `group:{emailid}`: An email address that represents a Google group.
# For example, `[email protected]`.
#
# * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
# identifier) representing a user that has been recently deleted. For
# example, `[email protected]?uid=123456789012345678901`. If the user is
# recovered, this value reverts to `user:{emailid}` and the recovered user
# retains the role in the binding.
#
# * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
# unique identifier) representing a service account that has been recently
# deleted. For example,
# `[email protected]?uid=123456789012345678901`.
# If the service account is undeleted, this value reverts to
# `serviceAccount:{emailid}` and the undeleted service account retains the
# role in the binding.
#
# * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
# identifier) representing a Google group that has been recently
# deleted. For example, `[email protected]?uid=123456789012345678901`. If
# the group is recovered, this value reverts to `group:{emailid}` and the
# recovered group retains the role in the binding.
#
#
# * `domain:{domain}`: The G Suite domain (primary) that represents all the
# users of that domain. For example, `google.com` or `example.com`.
#
&quot;A String&quot;,
],
&quot;condition&quot;: { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
#
# If the condition evaluates to `true`, then this binding applies to the
# current request.
#
# If the condition evaluates to `false`, then this binding does not apply to
# the current request. However, a different role binding might grant the same
# role to one or more of the members in this binding.
#
# To learn which resources support conditions in their IAM policies, see the
# [IAM
# documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
# syntax. CEL is a C-like expression language. The syntax and semantics of CEL
# are documented at https://github.com/google/cel-spec.
#
# Example (Comparison):
#
# title: &quot;Summary size limit&quot;
# description: &quot;Determines if a summary is less than 100 chars&quot;
# expression: &quot;document.summary.size() &lt; 100&quot;
#
# Example (Equality):
#
# title: &quot;Requestor is owner&quot;
# description: &quot;Determines if requestor is the document owner&quot;
# expression: &quot;document.owner == request.auth.claims.email&quot;
#
# Example (Logic):
#
# title: &quot;Public documents&quot;
# description: &quot;Determine whether the document should be publicly visible&quot;
# expression: &quot;document.type != &#x27;private&#x27; &amp;&amp; document.type != &#x27;internal&#x27;&quot;
#
# Example (Data Manipulation):
#
# title: &quot;Notification string&quot;
# description: &quot;Create a notification string with a timestamp.&quot;
# expression: &quot;&#x27;New message received at &#x27; + string(document.create_time)&quot;
#
# The exact variables and functions that may be referenced within an expression
# are determined by the service that evaluates it. See the service
# documentation for additional information.
&quot;expression&quot;: &quot;A String&quot;, # Textual representation of an expression in Common Expression Language
# syntax.
&quot;description&quot;: &quot;A String&quot;, # Optional. Description of the expression. This is a longer text which
# describes the expression, e.g. when hovered over it in a UI.
&quot;location&quot;: &quot;A String&quot;, # Optional. String indicating the location of the expression for error
# reporting, e.g. a file name and a position in the file.
&quot;title&quot;: &quot;A String&quot;, # Optional. Title for the expression, i.e. a short string describing
# its purpose. This can be used e.g. in UIs which allow to enter the
# expression.
},
},
],
&quot;version&quot;: 42, # Specifies the format of the policy.
#
# Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
# are rejected.
#
# Any operation that affects conditional role bindings must specify version
# `3`. This requirement applies to the following operations:
#
# * Getting a policy that includes a conditional role binding
# * Adding a conditional role binding to a policy
# * Changing a conditional role binding in a policy
# * Removing any role binding, with or without a condition, from a policy
# that includes conditions
#
# **Important:** If you use IAM Conditions, you must include the `etag` field
# whenever you call `setIamPolicy`. If you omit this field, then IAM allows
# you to overwrite a version `3` policy with a version `1` policy, and all of
# the conditions in the version `3` policy are lost.
#
# If a policy does not include any conditions, operations on that policy may
# specify any valid version or leave the field unset.
#
# To learn which resources support conditions in their IAM policies, see the
# [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
&quot;etag&quot;: &quot;A String&quot;, # `etag` is used for optimistic concurrency control as a way to help
# prevent simultaneous updates of a policy from overwriting each other.
# It is strongly suggested that systems make use of the `etag` in the
# read-modify-write cycle to perform policy updates in order to avoid race
# conditions: An `etag` is returned in the response to `getIamPolicy`, and
# systems are expected to put that etag in the request to `setIamPolicy` to
# ensure that their change will be applied to the same version of the policy.
#
# **Important:** If you use IAM Conditions, you must include the `etag` field
# whenever you call `setIamPolicy`. If you omit this field, then IAM allows
# you to overwrite a version `3` policy with a version `1` policy, and all of
# the conditions in the version `3` policy are lost.
},
}
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # An Identity and Access Management (IAM) policy, which specifies access
# controls for Google Cloud resources.
#
#
# A `Policy` is a collection of `bindings`. A `binding` binds one or more
# `members` to a single `role`. Members can be user accounts, service accounts,
# Google groups, and domains (such as G Suite). A `role` is a named list of
# permissions; each `role` can be an IAM predefined role or a user-created
# custom role.
#
# For some types of Google Cloud resources, a `binding` can also specify a
# `condition`, which is a logical expression that allows access to a resource
# only if the expression evaluates to `true`. A condition can add constraints
# based on attributes of the request, the resource, or both. To learn which
# resources support conditions in their IAM policies, see the
# [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
#
# **JSON example:**
#
# {
# &quot;bindings&quot;: [
# {
# &quot;role&quot;: &quot;roles/resourcemanager.organizationAdmin&quot;,
# &quot;members&quot;: [
# &quot;user:[email protected]&quot;,
# &quot;group:[email protected]&quot;,
# &quot;domain:google.com&quot;,
# &quot;serviceAccount:[email protected]&quot;
# ]
# },
# {
# &quot;role&quot;: &quot;roles/resourcemanager.organizationViewer&quot;,
# &quot;members&quot;: [
# &quot;user:[email protected]&quot;
# ],
# &quot;condition&quot;: {
# &quot;title&quot;: &quot;expirable access&quot;,
# &quot;description&quot;: &quot;Does not grant access after Sep 2020&quot;,
# &quot;expression&quot;: &quot;request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)&quot;,
# }
# }
# ],
# &quot;etag&quot;: &quot;BwWWja0YfJA=&quot;,
# &quot;version&quot;: 3
# }
#
# **YAML example:**
#
# bindings:
# - members:
# - user:[email protected]
# - group:[email protected]
# - domain:google.com
# - serviceAccount:[email protected]
# role: roles/resourcemanager.organizationAdmin
# - members:
# - user:[email protected]
# role: roles/resourcemanager.organizationViewer
# condition:
# title: expirable access
# description: Does not grant access after Sep 2020
# expression: request.time &lt; timestamp(&#x27;2020-10-01T00:00:00.000Z&#x27;)
# - etag: BwWWja0YfJA=
# - version: 3
#
# For a description of IAM and its features, see the
# [IAM documentation](https://cloud.google.com/iam/docs/).
&quot;bindings&quot;: [ # Associates a list of `members` to a `role`. Optionally, may specify a
# `condition` that determines how and when the `bindings` are applied. Each
# of the `bindings` must contain at least one member.
{ # Associates `members` with a `role`.
&quot;role&quot;: &quot;A String&quot;, # Role that is assigned to `members`.
# For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
&quot;members&quot;: [ # Specifies the identities requesting access for a Cloud Platform resource.
# `members` can have the following values:
#
# * `allUsers`: A special identifier that represents anyone who is
# on the internet; with or without a Google account.
#
# * `allAuthenticatedUsers`: A special identifier that represents anyone
# who is authenticated with a Google account or a service account.
#
# * `user:{emailid}`: An email address that represents a specific Google
# account. For example, `[email protected]` .
#
#
# * `serviceAccount:{emailid}`: An email address that represents a service
# account. For example, `[email protected]`.
#
# * `group:{emailid}`: An email address that represents a Google group.
# For example, `[email protected]`.
#
# * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
# identifier) representing a user that has been recently deleted. For
# example, `[email protected]?uid=123456789012345678901`. If the user is
# recovered, this value reverts to `user:{emailid}` and the recovered user
# retains the role in the binding.
#
# * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
# unique identifier) representing a service account that has been recently
# deleted. For example,
# `[email protected]?uid=123456789012345678901`.
# If the service account is undeleted, this value reverts to
# `serviceAccount:{emailid}` and the undeleted service account retains the
# role in the binding.
#
# * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
# identifier) representing a Google group that has been recently
# deleted. For example, `[email protected]?uid=123456789012345678901`. If
# the group is recovered, this value reverts to `group:{emailid}` and the
# recovered group retains the role in the binding.
#
#
# * `domain:{domain}`: The G Suite domain (primary) that represents all the
# users of that domain. For example, `google.com` or `example.com`.
#
&quot;A String&quot;,
],
&quot;condition&quot;: { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
#
# If the condition evaluates to `true`, then this binding applies to the
# current request.
#
# If the condition evaluates to `false`, then this binding does not apply to
# the current request. However, a different role binding might grant the same
# role to one or more of the members in this binding.
#
# To learn which resources support conditions in their IAM policies, see the
# [IAM
# documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
# syntax. CEL is a C-like expression language. The syntax and semantics of CEL
# are documented at https://github.com/google/cel-spec.
#
# Example (Comparison):
#
# title: &quot;Summary size limit&quot;
# description: &quot;Determines if a summary is less than 100 chars&quot;
# expression: &quot;document.summary.size() &lt; 100&quot;
#
# Example (Equality):
#
# title: &quot;Requestor is owner&quot;
# description: &quot;Determines if requestor is the document owner&quot;
# expression: &quot;document.owner == request.auth.claims.email&quot;
#
# Example (Logic):
#
# title: &quot;Public documents&quot;
# description: &quot;Determine whether the document should be publicly visible&quot;
# expression: &quot;document.type != &#x27;private&#x27; &amp;&amp; document.type != &#x27;internal&#x27;&quot;
#
# Example (Data Manipulation):
#
# title: &quot;Notification string&quot;
# description: &quot;Create a notification string with a timestamp.&quot;
# expression: &quot;&#x27;New message received at &#x27; + string(document.create_time)&quot;
#
# The exact variables and functions that may be referenced within an expression
# are determined by the service that evaluates it. See the service
# documentation for additional information.
&quot;expression&quot;: &quot;A String&quot;, # Textual representation of an expression in Common Expression Language
# syntax.
&quot;description&quot;: &quot;A String&quot;, # Optional. Description of the expression. This is a longer text which
# describes the expression, e.g. when hovered over it in a UI.
&quot;location&quot;: &quot;A String&quot;, # Optional. String indicating the location of the expression for error
# reporting, e.g. a file name and a position in the file.
&quot;title&quot;: &quot;A String&quot;, # Optional. Title for the expression, i.e. a short string describing
# its purpose. This can be used e.g. in UIs which allow to enter the
# expression.
},
},
],
&quot;version&quot;: 42, # Specifies the format of the policy.
#
# Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
# are rejected.
#
# Any operation that affects conditional role bindings must specify version
# `3`. This requirement applies to the following operations:
#
# * Getting a policy that includes a conditional role binding
# * Adding a conditional role binding to a policy
# * Changing a conditional role binding in a policy
# * Removing any role binding, with or without a condition, from a policy
# that includes conditions
#
# **Important:** If you use IAM Conditions, you must include the `etag` field
# whenever you call `setIamPolicy`. If you omit this field, then IAM allows
# you to overwrite a version `3` policy with a version `1` policy, and all of
# the conditions in the version `3` policy are lost.
#
# If a policy does not include any conditions, operations on that policy may
# specify any valid version or leave the field unset.
#
# To learn which resources support conditions in their IAM policies, see the
# [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
&quot;etag&quot;: &quot;A String&quot;, # `etag` is used for optimistic concurrency control as a way to help
# prevent simultaneous updates of a policy from overwriting each other.
# It is strongly suggested that systems make use of the `etag` in the
# read-modify-write cycle to perform policy updates in order to avoid race
# conditions: An `etag` is returned in the response to `getIamPolicy`, and
# systems are expected to put that etag in the request to `setIamPolicy` to
# ensure that their change will be applied to the same version of the policy.
#
# **Important:** If you use IAM Conditions, you must include the `etag` field
# whenever you call `setIamPolicy`. If you omit this field, then IAM allows
# you to overwrite a version `3` policy with a version `1` policy, and all of
# the conditions in the version `3` policy are lost.
}</pre>
</div>
<div class="method">
<code class="details" id="testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</code>
<pre>Returns permissions that the caller has on the specified database or backup
resource.
Attempting this RPC on a non-existent Cloud Spanner database will
result in a NOT_FOUND error if the user has
`spanner.databases.list` permission on the containing Cloud
Spanner instance. Otherwise returns an empty set of permissions.
Calling this method on a backup that does not exist will
result in a NOT_FOUND error if the user has
`spanner.backups.list` permission on the containing instance.
Args:
resource: string, REQUIRED: The Cloud Spanner resource for which permissions are being tested. The format is `projects/&lt;project ID&gt;/instances/&lt;instance ID&gt;` for instance resources and `projects/&lt;project ID&gt;/instances/&lt;instance ID&gt;/databases/&lt;database ID&gt;` for database resources. (required)
body: object, The request body.
The object takes the form of:
{ # Request message for `TestIamPermissions` method.
&quot;permissions&quot;: [ # REQUIRED: The set of permissions to check for &#x27;resource&#x27;.
# Permissions with wildcards (such as &#x27;*&#x27;, &#x27;spanner.*&#x27;, &#x27;spanner.instances.*&#x27;) are not allowed.
&quot;A String&quot;,
],
}
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # Response message for `TestIamPermissions` method.
&quot;permissions&quot;: [ # A subset of `TestPermissionsRequest.permissions` that the caller is
# allowed.
&quot;A String&quot;,
],
}</pre>
</div>
<div class="method">
<code class="details" id="updateDdl">updateDdl(database, body=None, x__xgafv=None)</code>
<pre>Updates the schema of a Cloud Spanner database by
creating/altering/dropping tables, columns, indexes, etc. The returned
long-running operation will have a name of
the format `&lt;database_name&gt;/operations/&lt;operation_id&gt;` and can be used to
track execution of the schema change(s). The
metadata field type is
UpdateDatabaseDdlMetadata. The operation has no response.
Args:
database: string, Required. The database to update. (required)
body: object, The request body.
The object takes the form of:
{ # Enqueues the given DDL statements to be applied, in order but not
# necessarily all at once, to the database schema at some point (or
# points) in the future. The server checks that the statements
# are executable (syntactically valid, name tables that exist, etc.)
# before enqueueing them, but they may still fail upon
# later execution (e.g., if a statement from another batch of
# statements is applied first and it conflicts in some way, or if
# there is some data-related problem like a `NULL` value in a column to
# which `NOT NULL` would be added). If a statement fails, all
# subsequent statements in the batch are automatically cancelled.
#
# Each batch of statements is assigned a name which can be used with
# the Operations API to monitor
# progress. See the
# operation_id field for more
# details.
&quot;operationId&quot;: &quot;A String&quot;, # If empty, the new update request is assigned an
# automatically-generated operation ID. Otherwise, `operation_id`
# is used to construct the name of the resulting
# Operation.
#
# Specifying an explicit operation ID simplifies determining
# whether the statements were executed in the event that the
# UpdateDatabaseDdl call is replayed,
# or the return value is otherwise lost: the database and
# `operation_id` fields can be combined to form the
# name of the resulting
# longrunning.Operation: `&lt;database&gt;/operations/&lt;operation_id&gt;`.
#
# `operation_id` should be unique within the database, and must be
# a valid identifier: `a-z*`. Note that
# automatically-generated operation IDs always begin with an
# underscore. If the named operation already exists,
# UpdateDatabaseDdl returns
# `ALREADY_EXISTS`.
&quot;statements&quot;: [ # Required. DDL statements to be applied to the database.
&quot;A String&quot;,
],
}
x__xgafv: string, V1 error format.
Allowed values
1 - v1 error format
2 - v2 error format
Returns:
An object of the form:
{ # This resource represents a long-running operation that is the result of a
# network API call.
&quot;name&quot;: &quot;A String&quot;, # The server-assigned name, which is only unique within the same service that
# originally returns it. If you use the default HTTP mapping, the
# `name` should be a resource name ending with `operations/{unique_id}`.
&quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
# different programming environments, including REST APIs and RPC APIs. It is
# used by [gRPC](https://github.com/grpc). Each `Status` message contains
# three pieces of data: error code, error message, and error details.
#
# You can find out more about this error model and how to work with it in the
# [API Design Guide](https://cloud.google.com/apis/design/errors).
&quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any
# user-facing error message should be localized and sent in the
# google.rpc.Status.details field, or localized by the client.
&quot;details&quot;: [ # A list of messages that carry the error details. There is a common set of
# message types for APIs to use.
{
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
],
&quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
},
&quot;metadata&quot;: { # Service-specific metadata associated with the operation. It typically
# contains progress information and common metadata such as create time.
# Some services might not provide such metadata. Any method that returns a
# long-running operation should document the metadata type, if any.
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
&quot;done&quot;: True or False, # If the value is `false`, it means the operation is still in progress.
# If `true`, the operation is completed, and either `error` or `response` is
# available.
&quot;response&quot;: { # The normal response of the operation in case of success. If the original
# method returns no data on success, such as `Delete`, the response is
# `google.protobuf.Empty`. If the original method is standard
# `Get`/`Create`/`Update`, the response should be the resource. For other
# methods, the response should have the type `XxxResponse`, where `Xxx`
# is the original method name. For example, if the original method name
# is `TakeSnapshot()`, the inferred response type is
# `TakeSnapshotResponse`.
&quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
},
}</pre>
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