pass the dialect to the formatter

lib/dao-factory.js

@@ -70,10 +70,11 @@ module.exports = (function() {
         DAOFactory.prototype[methodName] = function() {
           var dataset = this.dataset()
             , result  = dataset[methodName].apply(dataset, arguments)
+            , dialect = this.daoFactoryManager.sequelize.options.dialect
 
           result.toSql = function() {
             var query = result.toQuery()
-            return SqlString.format(query.text.replace(/(\$\d)/g, '?'), query.values) + ';'
+            return SqlString.format(query.text.replace(/(\$\d)/g, '?'), query.values, null, dialect) + ';'
           }
 
           result.exec = function() {