Reduced code by cloning date directly instead of .setTime()

Author: dresende

lib/protocol/SqlString.js

@@ -64,17 +64,15 @@ SqlString.format = function(sql, values, timeZone) {
 };
 
 SqlString.dateToString = function(date, timeZone) {
-  var dt = new Date();
+  var dt = new Date(date);
 
   if (timeZone != 'local') {
     tz = convertTimezone(timeZone);
 
-    dt.setTime(date.getTime() + (date.getTimezoneOffset() * 60000));
+    dt.setTime(dt.getTime() + (dt.getTimezoneOffset() * 60000));
     if (tz !== false) {
       dt.setTime(dt.getTime() + (tz * 60000));
     }
-  } else {
-    dt.setTime(date.getTime());
   }
 
   var year   = dt.getFullYear();