complete redesign: use nodejs on server instead of php - documentation to be updated

nodejs/node_modules/mysql/lib/protocol/sequences/ChangeUser.js

@@ -0,0 +1,41 @@
+var Sequence = require('./Sequence');
+var Util     = require('util');
+var Packets  = require('../packets');
+var Auth     = require('../Auth');
+
+module.exports = ChangeUser;
+Util.inherits(ChangeUser, Sequence);
+function ChangeUser(options, callback) {
+  Sequence.call(this, options, callback);
+
+  this._user          = options.user;
+  this._password      = options.password;
+  this._database      = options.database;
+  this._charsetNumber = options.charsetNumber;
+  this._currentConfig = options.currentConfig;
+}
+
+ChangeUser.prototype.start = function(handshakeInitializationPacket) {
+  var scrambleBuff = handshakeInitializationPacket.scrambleBuff();
+  scrambleBuff     = Auth.token(this._password, scrambleBuff);
+
+  var packet = new Packets.ComChangeUserPacket({
+    user          : this._user,
+    scrambleBuff  : scrambleBuff,
+    database      : this._database,
+    charsetNumber : this._charsetNumber
+  });
+
+  this._currentConfig.user          = this._user;
+  this._currentConfig.password      = this._password;
+  this._currentConfig.database      = this._database;
+  this._currentConfig.charsetNumber = this._charsetNumber;
+
+  this.emit('packet', packet);
+};
+
+ChangeUser.prototype['ErrorPacket'] = function(packet) {
+  var err = this._packetToError(packet);
+  err.fatal = true;
+  this.end(err);
+};