added method for fetching associated data

lib/sequelize/Helper.js

@@ -14,6 +14,10 @@ exports.Helper = function(Sequelize) {
     },
 
     SQL: {
+      isManyToManyAssociation: function(association) {
+        return (['hasMany', 'hasAndBelongsToMany'].indexOf(association.type) > -1)
+      },
+
       manyToManyTableName: function(name1, name2) {
         var _name1 =  name1[0].toUpperCase() + name1.replace(/^./, "")
         var _name2 =  name2[0].toUpperCase() + name2.replace(/^./, "")

lib/sequelize/SequelizeTable.js

@@ -217,7 +217,8 @@ exports.SequelizeTable = function(Sequelize, sequelize, tableName, attributes, o
         Factory.addOneToOneMethods(_table, table, assocName, backAssociation.name)
       }
 
-      backAssociation.name = assocName
+// TODO: check if the following line is not needed; specs r failing
+// backAssociation.name = assocName
       // end - overwrite the association of the before defined hasOne or hasMany relation, to fit the belongsTo foreign keys
 
       table.associations.push({ name: assocName, table: _table, type: 'belongsTo' })
@@ -286,6 +287,29 @@ exports.SequelizeTable = function(Sequelize, sequelize, tableName, attributes, o
       return this.id == null
     },
 
+    loadAssociatedData: function(callback) {
+      var associatedData  = {},
+          self            = this,
+          setAssociatedDataAndReturn = function() {
+            self.associatedData = associatedData
+            if(callback) callback(associatedData)
+          }
+
+      if(this.table.associations.length == 0)
+        setAssociatedDataAndReturn()
+      else
+        this.table.associations.forEach(function(association) {
+          var isManyToManyAssociation = Sequelize.Helper.SQL.isManyToManyAssociation(association),
+              getter = Sequelize.Helper.SQL.addPrefix('get', association.name, !isManyToManyAssociation)
+
+          self[getter](function(objects) {
+            associatedData[association.name] = objects
+            if(Sequelize.Helper.Hash.keys(associatedData).length == self.table.associations.length)
+              setAssociatedDataAndReturn()
+          })
+        })
+    },
+
     save: function(callback) {
       var query = null,
           self = this