support for POINT class

Author: kevinhikaruevans

lib/protocol/SqlString.js

@@ -36,6 +36,10 @@ SqlString.escape = function(val, stringifyObjects, timeZone) {
   }
 
   if (typeof val === 'object') {
+    // for the mysql point class
+    if(val.hasOwnProperty('x') && val.hasOwnProperty('y')) {
+      return 'POINT(' + [val.x, val.y].map(parseFloat).join(',') + ')';
+    }
     if (stringifyObjects) {
       val = val.toString();
     } else {