More exclusion of cascade contraints

lib/dialects/mssql/query-generator.js

@@ -342,8 +342,7 @@ module.exports = (function() {
         var casKey = cascadeCheck[i];
         for(var j = i+1; j < cascadeCheck.length; j++){
           var casKey2 = cascadeCheck[j];
-          if(attributes[casKey].references === attributes[casKey2].references
-            && attributes[casKey].referencesKey === attributes[casKey2].referencesKey){
+          if(attributes[casKey].referencesKey === attributes[casKey2].referencesKey){
             console.warn('MSSQL does not support multiple cascade keys on the same reference, '
               + 'we will removing them to make this work but we recommend restructuring your query.');
             attributes[casKey].onDelete = '';
@@ -429,13 +428,14 @@ module.exports = (function() {
         }
 
         // add 1st string as quoted, 2nd as unquoted raw
-        var sql = (i > 0 ? SqlGenerator.quoteIdentifier(tableNames.join('.')) + '.' : '') + this.quote(obj[i], parent, force);
+        var sql = (i > 0 ? SqlGenerator.quoteIdentifier(tableNames.join('.')) + '.' : '') 
+          + this.quote(obj[i], parent, force);
         if (i < len - 1) {
           sql += ' ' + obj[i + 1];
         }
         return sql;
       } else if (obj._modelAttribute) {
-        return SqlGenerator.quoteIdentifer(obj.Model.name) + '.' + obj.fieldName;
+        return SqlGenerator.quoteIdentifier(obj.Model.name) + '.' + obj.fieldName;
       } else if (obj._isSequelizeMethod) {
         return this.handleSequelizeMethod(obj);
       } else if (Utils._.isObject(obj) && 'raw' in obj) {