don't map to promise

lib/dialects/sqlanywhere/index.js

@@ -118,26 +118,19 @@ class Client_Sqlanywhere extends Client {
 
   // Runs the query on the specified connection, providing the bindings
   // and any other necessary prep work.
-  _query(connection, obj) {
+  async _query(connection, obj) {
     if (!obj.sql) throw new Error('The query is empty');
-
-    return new Promise((resolve, reject) => {
-      let cb = (err, response) => {
-        if (err) return reject(err);
-        obj.response = response;
-        resolve(obj);
-      };
-      if (obj.bindings) {
-        return connection.exec(obj.sql, obj.bindings, cb);
-      }
-      return connection.exec(obj.sql, cb);
-    });
+    if (obj.bindings) {
+      obj.response = connection.exec(obj.sql, obj.bindings);
+    }
+    obj.response = connection.exec(obj.sql);
+    return obj;
   }
 
   // Process the response as returned from the query.
   processResponse(obj, runner) {
     let response = obj.response;
-    const method   = obj.method;
+    const method = obj.method;
     if (obj.output) return obj.output.call(runner, response);
     switch (method) {
       case 'select':
@@ -163,6 +156,10 @@ class Client_Sqlanywhere extends Client {
     }
   }
 
+  postProcessResponse(processedResponse, queryContext) {
+    return processedResponse;
+  }
+
   ping(resource, callback) {
     resource.exec('SELECT 1', [], callback);
   }

lib/execution/runner.js

@@ -148,7 +148,9 @@ class Runner {
     // dropColumn()/renameColumn(), it will be a Promise for the transaction
     // containing the complete rename procedure.
     return queryPromise
-      .then((resp) => this.client.processResponse(resp, runner))
+      .then((resp) => {
+        return this.client.processResponse(resp, runner);
+      })
       .then((processedResponse) => {
         const postProcessedResponse = this.client.postProcessResponse(
           processedResponse,