feat: support create/list datasets on a different project

samples/listDatasets.js

@@ -14,17 +14,22 @@
 
 'use strict';
 
-function main() {
+function main(projectId) {
   // [START bigquery_list_datasets]
   // Import the Google Cloud client library
   const {BigQuery} = require('@google-cloud/bigquery');
   const bigquery = new BigQuery();
 
   async function listDatasets() {
-    // Lists all datasets in current GCP project.
+    /**
+     * TODO(developer): Uncomment the following lines before running the sample.
+     */
+    // const projectId = "my_project_id";
 
-    // Lists all datasets in the specified project
-    const [datasets] = await bigquery.getDatasets();
+    // Lists all datasets in the specified project.
+    // If projectId is not specified, this method will take
+    // the projectId from the authenticated BigQuery Client.
+    const [datasets] = await bigquery.getDatasets({projectId});
     console.log('Datasets:');
     datasets.forEach(dataset => console.log(dataset.id));
   }

samples/test/datasets.test.js

@@ -98,6 +98,12 @@ describe('Datasets', () => {
     assert.match(output, new RegExp(datasetId));
   });
 
+  it('should list datasets on a different project', async () => {
+    const output = execSync('node listDatasets.js bigquery-public-data');
+    assert.match(output, /Datasets:/);
+    assert.match(output, new RegExp('usa_names'));
+  });
+
   it('should retrieve a dataset if it exists', async () => {
     const output = execSync(`node getDataset.js ${datasetId}`);
     assert.include(output, 'Dataset:');

src/bigquery.ts

@@ -125,10 +125,15 @@ export type QueryStreamOptions = {
   wrapIntegers?: boolean | IntegerTypeCastOptions;
   parseJSON?: boolean;
 };
-export type DatasetResource = bigquery.IDataset;
+export type DatasetResource = bigquery.IDataset & {
+  projectId?: string;
+};
 export type ValueType = bigquery.IQueryParameterType;
 
-export type GetDatasetsOptions = PagedRequest<bigquery.datasets.IListParams>;
+export type GetDatasetsOptions = PagedRequest<bigquery.datasets.IListParams> & {
+  projectId?: string;
+};
+
 export type DatasetsResponse = PagedResponse<
   Dataset,
   GetDatasetsOptions,
@@ -1257,35 +1262,36 @@ export class BigQuery extends Service {
     const callback =
       typeof optionsOrCallback === 'function' ? optionsOrCallback : cb;
 
-    this.request(
-      {
-        method: 'POST',
-        uri: '/datasets',
-        json: extend(
-          true,
-          {
-            location: this.location,
+    const reqOpts: DecorateRequestOptions = {
+      method: 'POST',
+      uri: '/datasets',
+      json: extend(
+        true,
+        {
+          location: this.location,
+        },
+        options,
+        {
+          datasetReference: {
+            datasetId: id,
           },
-          options,
-          {
-            datasetReference: {
-              datasetId: id,
-            },
-          }
-        ),
-      },
-      (err, resp) => {
-        if (err) {
-          callback!(err, null, resp);
-          return;
         }
+      ),
+    };
+    if (options.projectId) {
+      reqOpts.projectId = options.projectId;
+    }
+    this.request(reqOpts, (err, resp) => {
+      if (err) {
+        callback!(err, null, resp);
+        return;
+      }
 
-        const dataset = this.dataset(id);
-        dataset.metadata = resp;
+      const dataset = this.dataset(id, options);
+      dataset.metadata = resp;
 
-        callback!(null, dataset, resp);
-      }
-    );
+      callback!(null, dataset, resp);
+    });
   }
 
   /**
@@ -1664,6 +1670,7 @@ export class BigQuery extends Service {
    *
    * @param {string} id ID of the dataset.
    * @param {object} [options] Dataset options.
+   * @param {string} [options.projectId] The GCP project ID.
    * @param {string} [options.location] The geographic location of the dataset.
    *      Required except for US and EU.
    *
@@ -1686,12 +1693,13 @@ export class BigQuery extends Service {
   }
 
   /**
-   * List all or some of the datasets in your project.
+   * List all or some of the datasets in a project.
    *
    * See {@link https://cloud.google.com/bigquery/docs/reference/v2/datasets/list| Datasets: list API Documentation}
    *
    * @param {object} [options] Configuration object.
    * @param {boolean} [options.all] List all datasets, including hidden ones.
+   * @param {string} [options.projectId] The GCP project ID.
    * @param {boolean} [options.autoPaginate] Have pagination handled automatically.
    *     Default: true.
    * @param {number} [options.maxApiCalls] Maximum number of API calls to make.
@@ -1746,40 +1754,45 @@ export class BigQuery extends Service {
     const callback =
       typeof optionsOrCallback === 'function' ? optionsOrCallback : cb;
 
-    this.request(
-      {
-        uri: '/datasets',
-        qs: options,
-      },
-      (err, resp) => {
-        if (err) {
-          callback!(err, null, null, resp);
-          return;
-        }
+    const reqOpts: DecorateRequestOptions = {
+      uri: '/datasets',
+      qs: options,
+    };
+    if (options.projectId) {
+      reqOpts.projectId = options.projectId;
+    }
+    this.request(reqOpts, (err, resp) => {
+      if (err) {
+        callback!(err, null, null, resp);
+        return;
+      }
 
-        let nextQuery: GetDatasetsOptions | null = null;
+      let nextQuery: GetDatasetsOptions | null = null;
 
-        if (resp.nextPageToken) {
-          nextQuery = Object.assign({}, options, {
-            pageToken: resp.nextPageToken,
-          });
-        }
+      if (resp.nextPageToken) {
+        nextQuery = Object.assign({}, options, {
+          pageToken: resp.nextPageToken,
+        });
+      }
 
-        // eslint-disable-next-line @typescript-eslint/no-explicit-any
-        const datasets = (resp.datasets || []).map(
-          (dataset: bigquery.IDataset) => {
-            const ds = this.dataset(dataset.datasetReference!.datasetId!, {
-              location: dataset.location!,
-            });
-
-            ds.metadata = dataset!;
-            return ds;
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      const datasets = (resp.datasets || []).map(
+        (dataset: bigquery.IDataset) => {
+          const dsOpts: DatasetOptions = {
+            location: dataset.location!,
+          };
+          if (options.projectId) {
+            dsOpts.projectId = options.projectId;
           }
-        );
+          const ds = this.dataset(dataset.datasetReference!.datasetId!, dsOpts);
 
-        callback!(null, datasets, nextQuery, resp);
-      }
-    );
+          ds.metadata = dataset!;
+          return ds;
+        }
+      );
+
+      callback!(null, datasets, nextQuery, resp);
+    });
   }
 
   /**

src/dataset.ts

@@ -109,6 +109,7 @@ export type TableCallback = ResourceCallback<Table, bigquery.ITable>;
  * @param {BigQuery} bigQuery {@link BigQuery} instance.
  * @param {string} id The ID of the Dataset.
  * @param {object} [options] Dataset options.
+ * @param {string} [options.projectId] The GCP project ID.
  * @param {string} [options.location] The geographic location of the dataset.
  *      Defaults to US.
  *
@@ -372,7 +373,12 @@ class Dataset extends ServiceObject {
           typeof optionsOrCallback === 'function'
             ? (optionsOrCallback as DatasetCallback)
             : cb;
-        options = extend({}, options, {location: this.location});
+        if (this.location) {
+          options = extend({}, options, {location: this.location});
+        }
+        if (this.projectId) {
+          options = extend({}, options, {projectId: this.projectId});
+        }
         return bigQuery.createDataset(id, options, callback!);
       },
     });

test/bigquery.ts

@@ -148,6 +148,7 @@ afterEach(() => sandbox.restore());
 describe('BigQuery', () => {
   const JOB_ID = 'JOB_ID';
   const PROJECT_ID = 'test-project';
+  const ANOTHER_PROJECT_ID = 'another-test-project';
   const LOCATION = 'asia-northeast1';
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -1592,6 +1593,30 @@ describe('BigQuery', () => {
       bq.createDataset(DATASET_ID, assert.ifError);
     });
 
+    it('should create a dataset on a different project', done => {
+      bq.makeAuthenticatedRequest = (reqOpts: DecorateRequestOptions) => {
+        assert.strictEqual(reqOpts.method, 'POST');
+        assert.strictEqual(reqOpts.projectId, ANOTHER_PROJECT_ID);
+        assert.strictEqual(
+          reqOpts.uri,
+          `https://bigquery.googleapis.com/bigquery/v2/projects/${ANOTHER_PROJECT_ID}/datasets`
+        );
+        assert.deepStrictEqual(reqOpts.json.datasetReference, {
+          datasetId: DATASET_ID,
+        });
+
+        done();
+      };
+
+      bq.createDataset(
+        DATASET_ID,
+        {
+          projectId: ANOTHER_PROJECT_ID,
+        },
+        assert.ifError
+      );
+    });
+
     it('should send the location if available', done => {
       const bq = new BigQuery({
         projectId: PROJECT_ID,
@@ -2514,6 +2539,20 @@ describe('BigQuery', () => {
         done();
       });
     });
+
+    it('should fetch datasets from a different project', done => {
+      const queryObject = {projectId: ANOTHER_PROJECT_ID};
+
+      bq.makeAuthenticatedRequest = (reqOpts: DecorateRequestOptions) => {
+        assert.strictEqual(
+          reqOpts.uri,
+          `https://bigquery.googleapis.com/bigquery/v2/projects/${ANOTHER_PROJECT_ID}/datasets`
+        );
+        done();
+      };
+
+      bq.getDatasets(queryObject, assert.ifError);
+    });
   });
 
   describe('getJobs', () => {

test/dataset.ts

@@ -203,6 +203,20 @@ describe('BigQuery/Dataset', () => {
         ds.location = LOCATION;
         config.createMethod(DATASET_ID, done);
       });
+
+      it('should pass the projectId', done => {
+        bq.createDataset = (
+          id: string,
+          options: DatasetOptions,
+          callback: Function
+        ) => {
+          assert.strictEqual(options.projectId, 'project-id');
+          callback(); // the done fn
+        };
+
+        ds.projectId = 'project-id';
+        config.createMethod(DATASET_ID, done);
+      });
     });
 
     describe('projectId override interceptor', () => {