fixed a few more failing cases

  - missed a case for addLimitAndOffset for subqueries with a single model
  - formatResults should return undefined if there is no data
  - there are a few possible error messages in an invalid connection scenario

lib/dialects/mssql/query-generator.js

@@ -1236,10 +1236,16 @@ module.exports = (function() {
       if (options.order) {
         if (Array.isArray(options.order)) {
           options.order.forEach(function(t) {
-            if (isSubQuery && !(t[0] instanceof Model) && !(t[0].model instanceof Model)) {
-              subQueryOrder.push(this.quote(t, model));
+            if (!Array.isArray(t)) {
+              if (isSubQuery && !(t instanceof Model) && !(t.model instanceof Model)) {
+                subQueryOrder.push(this.quote(t, model));
+              }
+            } else {
+              if (isSubQuery && !(t[0] instanceof Model) && !(t[0].model instanceof Model)) {
+                subQueryOrder.push(this.quote(t, model));
+              }
+              mainQueryOrder.push(this.quote(t, model));
             }
-            mainQueryOrder.push(this.quote(t, model));
           }.bind(this));
         } else {
           mainQueryOrder.push(options.order);

lib/dialects/mssql/query.js

@@ -113,40 +113,37 @@ module.exports = (function() {
    */
   Query.prototype.formatResults = function(data) {
     var result = this.callee;
+    if (this.isInsertQuery(data)) {
+      this.handleInsertQuery(data);
+    }
 
-    if (data) {
-      if (this.isInsertQuery(data)) {
-        this.handleInsertQuery(data);
-      } else if (this.isShowTableQuery()) {
-        result = this.handleShowTableQuery(data);
-      } else if (this.isShowOrDescribeQuery()) {
-        result = data;
-        if (this.sql.toLowerCase().indexOf("select c.column_name as 'name', c.data_type as 'type', c.is_nullable as 'isnull'") === 0) {
-          result = {};
-          data.forEach(function(_result) {
-            if (_result.Default)
-              _result.Default = _result.Default.replace('(\'','').replace('\')','').replace(/'/g,'');
-
-            result[_result.Name] = {
-              type: _result.Type.toUpperCase(),
-              allowNull: (_result.IsNull === 'YES' ? true : false),
-              defaultValue: _result.Default
-            };
-          });
-        } else if (this.isShowIndexesQuery()) {
-          result = this.handleShowIndexesQuery(data);
-        }
-      } else if (this.isSelectQuery()) {
-        result = this.handleSelectQuery(data);
-      } else if (this.isCallQuery()) {
-        result = data[0];
-      } else if (this.isBulkUpdateQuery()) {
-        result = data.length;
-      } else if (this.isBulkDeleteQuery()){
-        result = data[0].AFFECTEDROWS;
-      }
-    } else if (!result) {
+    if (this.isShowTableQuery()) {
+      result = this.handleShowTableQuery(data);
+    } else if (this.isShowOrDescribeQuery()) {
       result = data;
+      if (this.sql.toLowerCase().indexOf("select c.column_name as 'name', c.data_type as 'type', c.is_nullable as 'isnull'") === 0) {
+        result = {};
+        data.forEach(function(_result) {
+          if (_result.Default)
+            _result.Default = _result.Default.replace('(\'','').replace('\')','').replace(/'/g,'');
+
+          result[_result.Name] = {
+            type: _result.Type.toUpperCase(),
+            allowNull: (_result.IsNull === 'YES' ? true : false),
+            defaultValue: _result.Default
+          };
+        });
+      } else if (this.isShowIndexesQuery()) {
+        result = this.handleShowIndexesQuery(data);
+      }
+    } else if (this.isSelectQuery()) {
+      result = this.handleSelectQuery(data);
+    } else if (this.isCallQuery()) {
+      result = data[0];
+    } else if (this.isBulkUpdateQuery()) {
+      result = data.length;
+    } else if (this.isBulkDeleteQuery()){
+      result = data[0].AFFECTEDROWS;
     }
 
     return result;

test/sequelize.test.js

@@ -113,23 +113,26 @@ describe(Support.getTestDialectTeaser("Sequelize"), function () {
             .authenticate()
             .complete(function(err, result) {
               if (dialect === 'mariadb') {
-                expect(err.message).to.match(/Access denied for user/)
+                expect(err.message).to.match(/Access denied for user/);
               } else if (dialect === 'postgres') {
                 expect(
                   err.message.match(/connect ECONNREFUSED/) ||
                   err.message.match(/invalid port number/)
-                ).to.be.ok
+                ).to.be.ok;
               } else if (dialect === 'mssql'){
-                expect(err.message.match(/ConnectionError: Login failed for user/)).to.be.ok
+                expect(
+                  err.message.match(/ConnectionError: Login failed for user/) ||
+                  err.message.match(/RangeError: Port should be > 0 and < 65536/)
+                ).to.be.ok;
               } else {
                 expect(err.message).to.match(/connect ECONNREFUSED/)
               }
 
-              done()
+              done();
 
-            })
-        })
-      })
+            });
+        });
+      });
 
       describe('with invalid credentials', function() {
         beforeEach(function() {