fix: update queryAsStream_ to set options with Query type (#999)

* fix: update queryAsStream_ to set options with Query type

* add test and comment

Co-authored-by: meredithslota <meredithslota@google.com>

src/bigquery.ts

@@ -2012,7 +2012,9 @@ export class BigQuery extends common.Service {
     cb?: SimpleQueryRowsCallback
   ) {
     let options =
-      typeof optionsOrCallback === 'object' ? optionsOrCallback : {};
+      // Default to using query as options to ensure the options set
+      // in a Query type are passed through to the query() method.
+      typeof optionsOrCallback === 'object' ? optionsOrCallback : query;
     const callback =
       typeof optionsOrCallback === 'function' ? optionsOrCallback : cb;
 

test/bigquery.ts

@@ -2711,7 +2711,7 @@ describe('BigQuery', () => {
       queryStub = sandbox.stub(bq, 'query').callsArgAsync(2);
     });
 
-    it('should call query correctly', done => {
+    it('should call query correctly with a string', done => {
       const query = 'SELECT';
       bq.queryAsStream_(query, done);
       assert(
@@ -2723,6 +2723,18 @@ describe('BigQuery', () => {
       );
     });
 
+    it('should call query correctly with a Query object', done => {
+      const query = {query: 'SELECT', wrapIntegers: true};
+      bq.queryAsStream_(query, done);
+      assert(
+        queryStub.calledOnceWithExactly(
+          query,
+          extend(query, {autoPaginate: false}),
+          sinon.match.func
+        )
+      );
+    });
+
     it('should query as job if supplied', done => {
       const cbStub = sinon.stub().callsArgAsync(1);
       const query = {