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75<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> . <a href="spanner_v1.projects.instances.databases.operations.html">operations</a></h1>
76<h2>Instance Methods</h2>
77<p class="toc_element">
78 <code><a href="#cancel">cancel(name, x__xgafv=None)</a></code></p>
79<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server</p>
80<p class="toc_element">
81 <code><a href="#delete">delete(name, x__xgafv=None)</a></code></p>
82<p class="firstline">Deletes a long-running operation. This method indicates that the client is</p>
83<p class="toc_element">
84 <code><a href="#get">get(name, x__xgafv=None)</a></code></p>
85<p class="firstline">Gets the latest state of a long-running operation. Clients can use this</p>
86<p class="toc_element">
87 <code><a href="#list">list(name, pageSize=None, filter=None, pageToken=None, x__xgafv=None)</a></code></p>
88<p class="firstline">Lists operations that match the specified filter in the request. If the</p>
89<p class="toc_element">
90 <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
91<p class="firstline">Retrieves the next page of results.</p>
92<h3>Method Details</h3>
93<div class="method">
94 <code class="details" id="cancel">cancel(name, x__xgafv=None)</code>
95 <pre>Starts asynchronous cancellation on a long-running operation. The server
96makes a best effort to cancel the operation, but success is not
97guaranteed. If the server doesn't support this method, it returns
98`google.rpc.Code.UNIMPLEMENTED`. Clients can use
99Operations.GetOperation or
100other methods to check whether the cancellation succeeded or whether the
101operation completed despite cancellation. On successful cancellation,
102the operation is not deleted; instead, it becomes an operation with
103an Operation.error value with a google.rpc.Status.code of 1,
104corresponding to `Code.CANCELLED`.
105
106Args:
107 name: string, The name of the operation resource to be cancelled. (required)
108 x__xgafv: string, V1 error format.
109 Allowed values
110 1 - v1 error format
111 2 - v2 error format
112
113Returns:
114 An object of the form:
115
116 { # A generic empty message that you can re-use to avoid defining duplicated
117 # empty messages in your APIs. A typical example is to use it as the request
118 # or the response type of an API method. For instance:
119 #
120 # service Foo {
121 # rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
122 # }
123 #
124 # The JSON representation for `Empty` is empty JSON object `{}`.
125 }</pre>
126</div>
127
128<div class="method">
129 <code class="details" id="delete">delete(name, x__xgafv=None)</code>
130 <pre>Deletes a long-running operation. This method indicates that the client is
131no longer interested in the operation result. It does not cancel the
132operation. If the server doesn't support this method, it returns
133`google.rpc.Code.UNIMPLEMENTED`.
134
135Args:
136 name: string, The name of the operation resource to be deleted. (required)
137 x__xgafv: string, V1 error format.
138 Allowed values
139 1 - v1 error format
140 2 - v2 error format
141
142Returns:
143 An object of the form:
144
145 { # A generic empty message that you can re-use to avoid defining duplicated
146 # empty messages in your APIs. A typical example is to use it as the request
147 # or the response type of an API method. For instance:
148 #
149 # service Foo {
150 # rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
151 # }
152 #
153 # The JSON representation for `Empty` is empty JSON object `{}`.
154 }</pre>
155</div>
156
157<div class="method">
158 <code class="details" id="get">get(name, x__xgafv=None)</code>
159 <pre>Gets the latest state of a long-running operation. Clients can use this
160method to poll the operation result at intervals as recommended by the API
161service.
162
163Args:
164 name: string, The name of the operation resource. (required)
165 x__xgafv: string, V1 error format.
166 Allowed values
167 1 - v1 error format
168 2 - v2 error format
169
170Returns:
171 An object of the form:
172
173 { # This resource represents a long-running operation that is the result of a
174 # network API call.
175 "metadata": { # Service-specific metadata associated with the operation. It typically
176 # contains progress information and common metadata such as create time.
177 # Some services might not provide such metadata. Any method that returns a
178 # long-running operation should document the metadata type, if any.
179 "a_key": "", # Properties of the object. Contains field @type with type URL.
180 },
181 "done": True or False, # If the value is `false`, it means the operation is still in progress.
182 # If true, the operation is completed, and either `error` or `response` is
183 # available.
184 "response": { # The normal response of the operation in case of success. If the original
185 # method returns no data on success, such as `Delete`, the response is
186 # `google.protobuf.Empty`. If the original method is standard
187 # `Get`/`Create`/`Update`, the response should be the resource. For other
188 # methods, the response should have the type `XxxResponse`, where `Xxx`
189 # is the original method name. For example, if the original method name
190 # is `TakeSnapshot()`, the inferred response type is
191 # `TakeSnapshotResponse`.
192 "a_key": "", # Properties of the object. Contains field @type with type URL.
193 },
194 "name": "A String", # The server-assigned name, which is only unique within the same service that
195 # originally returns it. If you use the default HTTP mapping, the
196 # `name` should have the format of `operations/some/unique/name`.
197 "error": { # The `Status` type defines a logical error model that is suitable for different # The error result of the operation in case of failure or cancellation.
198 # programming environments, including REST APIs and RPC APIs. It is used by
199 # [gRPC](https://github.com/grpc). The error model is designed to be:
200 #
201 # - Simple to use and understand for most users
202 # - Flexible enough to meet unexpected needs
203 #
204 # # Overview
205 #
206 # The `Status` message contains three pieces of data: error code, error message,
207 # and error details. The error code should be an enum value of
208 # google.rpc.Code, but it may accept additional error codes if needed. The
209 # error message should be a developer-facing English message that helps
210 # developers *understand* and *resolve* the error. If a localized user-facing
211 # error message is needed, put the localized message in the error details or
212 # localize it in the client. The optional error details may contain arbitrary
213 # information about the error. There is a predefined set of error detail types
214 # in the package `google.rpc` which can be used for common error conditions.
215 #
216 # # Language mapping
217 #
218 # The `Status` message is the logical representation of the error model, but it
219 # is not necessarily the actual wire format. When the `Status` message is
220 # exposed in different client libraries and different wire protocols, it can be
221 # mapped differently. For example, it will likely be mapped to some exceptions
222 # in Java, but more likely mapped to some error codes in C.
223 #
224 # # Other uses
225 #
226 # The error model and the `Status` message can be used in a variety of
227 # environments, either with or without APIs, to provide a
228 # consistent developer experience across different environments.
229 #
230 # Example uses of this error model include:
231 #
232 # - Partial errors. If a service needs to return partial errors to the client,
233 # it may embed the `Status` in the normal response to indicate the partial
234 # errors.
235 #
236 # - Workflow errors. A typical workflow has multiple steps. Each step may
237 # have a `Status` message for error reporting purpose.
238 #
239 # - Batch operations. If a client uses batch request and batch response, the
240 # `Status` message should be used directly inside batch response, one for
241 # each error sub-response.
242 #
243 # - Asynchronous operations. If an API call embeds asynchronous operation
244 # results in its response, the status of those operations should be
245 # represented directly using the `Status` message.
246 #
247 # - Logging. If some API errors are stored in logs, the message `Status` could
248 # be used directly after any stripping needed for security/privacy reasons.
249 "message": "A String", # A developer-facing error message, which should be in English. Any
250 # user-facing error message should be localized and sent in the
251 # google.rpc.Status.details field, or localized by the client.
252 "code": 42, # The status code, which should be an enum value of google.rpc.Code.
253 "details": [ # A list of messages that carry the error details. There will be a
254 # common set of message types for APIs to use.
255 {
256 "a_key": "", # Properties of the object. Contains field @type with type URL.
257 },
258 ],
259 },
260 }</pre>
261</div>
262
263<div class="method">
264 <code class="details" id="list">list(name, pageSize=None, filter=None, pageToken=None, x__xgafv=None)</code>
265 <pre>Lists operations that match the specified filter in the request. If the
266server doesn't support this method, it returns `UNIMPLEMENTED`.
267
268NOTE: the `name` binding below allows API services to override the binding
269to use different resource name schemes, such as `users/*/operations`.
270
271Args:
272 name: string, The name of the operation collection. (required)
273 pageSize: integer, The standard list page size.
274 filter: string, The standard list filter.
275 pageToken: string, The standard list page token.
276 x__xgafv: string, V1 error format.
277 Allowed values
278 1 - v1 error format
279 2 - v2 error format
280
281Returns:
282 An object of the form:
283
284 { # The response message for Operations.ListOperations.
285 "nextPageToken": "A String", # The standard List next-page token.
286 "operations": [ # A list of operations that matches the specified filter in the request.
287 { # This resource represents a long-running operation that is the result of a
288 # network API call.
289 "metadata": { # Service-specific metadata associated with the operation. It typically
290 # contains progress information and common metadata such as create time.
291 # Some services might not provide such metadata. Any method that returns a
292 # long-running operation should document the metadata type, if any.
293 "a_key": "", # Properties of the object. Contains field @type with type URL.
294 },
295 "done": True or False, # If the value is `false`, it means the operation is still in progress.
296 # If true, the operation is completed, and either `error` or `response` is
297 # available.
298 "response": { # The normal response of the operation in case of success. If the original
299 # method returns no data on success, such as `Delete`, the response is
300 # `google.protobuf.Empty`. If the original method is standard
301 # `Get`/`Create`/`Update`, the response should be the resource. For other
302 # methods, the response should have the type `XxxResponse`, where `Xxx`
303 # is the original method name. For example, if the original method name
304 # is `TakeSnapshot()`, the inferred response type is
305 # `TakeSnapshotResponse`.
306 "a_key": "", # Properties of the object. Contains field @type with type URL.
307 },
308 "name": "A String", # The server-assigned name, which is only unique within the same service that
309 # originally returns it. If you use the default HTTP mapping, the
310 # `name` should have the format of `operations/some/unique/name`.
311 "error": { # The `Status` type defines a logical error model that is suitable for different # The error result of the operation in case of failure or cancellation.
312 # programming environments, including REST APIs and RPC APIs. It is used by
313 # [gRPC](https://github.com/grpc). The error model is designed to be:
314 #
315 # - Simple to use and understand for most users
316 # - Flexible enough to meet unexpected needs
317 #
318 # # Overview
319 #
320 # The `Status` message contains three pieces of data: error code, error message,
321 # and error details. The error code should be an enum value of
322 # google.rpc.Code, but it may accept additional error codes if needed. The
323 # error message should be a developer-facing English message that helps
324 # developers *understand* and *resolve* the error. If a localized user-facing
325 # error message is needed, put the localized message in the error details or
326 # localize it in the client. The optional error details may contain arbitrary
327 # information about the error. There is a predefined set of error detail types
328 # in the package `google.rpc` which can be used for common error conditions.
329 #
330 # # Language mapping
331 #
332 # The `Status` message is the logical representation of the error model, but it
333 # is not necessarily the actual wire format. When the `Status` message is
334 # exposed in different client libraries and different wire protocols, it can be
335 # mapped differently. For example, it will likely be mapped to some exceptions
336 # in Java, but more likely mapped to some error codes in C.
337 #
338 # # Other uses
339 #
340 # The error model and the `Status` message can be used in a variety of
341 # environments, either with or without APIs, to provide a
342 # consistent developer experience across different environments.
343 #
344 # Example uses of this error model include:
345 #
346 # - Partial errors. If a service needs to return partial errors to the client,
347 # it may embed the `Status` in the normal response to indicate the partial
348 # errors.
349 #
350 # - Workflow errors. A typical workflow has multiple steps. Each step may
351 # have a `Status` message for error reporting purpose.
352 #
353 # - Batch operations. If a client uses batch request and batch response, the
354 # `Status` message should be used directly inside batch response, one for
355 # each error sub-response.
356 #
357 # - Asynchronous operations. If an API call embeds asynchronous operation
358 # results in its response, the status of those operations should be
359 # represented directly using the `Status` message.
360 #
361 # - Logging. If some API errors are stored in logs, the message `Status` could
362 # be used directly after any stripping needed for security/privacy reasons.
363 "message": "A String", # A developer-facing error message, which should be in English. Any
364 # user-facing error message should be localized and sent in the
365 # google.rpc.Status.details field, or localized by the client.
366 "code": 42, # The status code, which should be an enum value of google.rpc.Code.
367 "details": [ # A list of messages that carry the error details. There will be a
368 # common set of message types for APIs to use.
369 {
370 "a_key": "", # Properties of the object. Contains field @type with type URL.
371 },
372 ],
373 },
374 },
375 ],
376 }</pre>
377</div>
378
379<div class="method">
380 <code class="details" id="list_next">list_next(previous_request, previous_response)</code>
381 <pre>Retrieves the next page of results.
382
383Args:
384 previous_request: The request for the previous page. (required)
385 previous_response: The response from the request for the previous page. (required)
386
387Returns:
388 A request object that you can call 'execute()' on to request the next
389 page. Returns None if there are no more items in the collection.
390 </pre>
391</div>
392
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