use the assocname instead of the tablename for many to many tables

lib/sequelize/Helper.js

@@ -14,8 +14,11 @@ exports.Helper = function(Sequelize) {
     },
 
     SQL: {
-      manyToManyTableName: function(t1, t2) {
-        return [t1.tableName, t2.tableName].sort().join("")
+      manyToManyTableName: function(name1, name2) {
+        var _name1 =  name1[0].toUpperCase() + name1.replace(/^./, "")
+        var _name2 =  name2[0].toUpperCase() + name2.replace(/^./, "")
+
+        return [_name1, _name2].sort().join("")
       },
 
       asTableIdentifier: function(name) {

lib/sequelize/SequelizeTable.js

@@ -72,7 +72,7 @@ exports.SequelizeTable = function(Sequelize, sequelize, tableName, attributes, o
               var _attributes = {}
               _attributes[table.identifier] = Sequelize.INTEGER
               _attributes[association.table.identifier] = Sequelize.INTEGER
-              sequelize.define(Sequelize.Helper.SQL.manyToManyTableName(table, association.table), _attributes)
+              sequelize.define(Sequelize.Helper.SQL.manyToManyTableName(table.tableName, association.name), _attributes)
             } else {
               // one to many relation
               association.table.attributes[table.identifier] = {type: Sequelize.INTEGER}
@@ -159,7 +159,7 @@ exports.SequelizeTable = function(Sequelize, sequelize, tableName, attributes, o
       // don't check inside of method to increase performance
       if(_table.isCrossAssociatedWith(table)) {
         table.prototype[assocName] = function(callback) {
-          var Association = sequelize.tables[Sequelize.Helper.SQL.manyToManyTableName(_table, table)].klass
+          var Association = sequelize.tables[Sequelize.Helper.SQL.manyToManyTableName(assocName, table.tableName)].klass
           var whereConditions = [table.identifier, this.id].join("=")
           Association.findAll({ where: whereConditions }, function(result) {
             if(result.length > 0) {
@@ -173,7 +173,7 @@ exports.SequelizeTable = function(Sequelize, sequelize, tableName, attributes, o
         }
         table.prototype[Sequelize.Helper.SQL.addPrefix('set', assocName)] = function(objects, callback) {
           var self = this
-          var Association = sequelize.tables[Sequelize.Helper.SQL.manyToManyTableName(_table, table)].klass
+          var Association = sequelize.tables[Sequelize.Helper.SQL.manyToManyTableName(assocName, table.tableName)].klass
           var currentAssociations = null
           var objectIds = Sequelize.Helper.Array.map(objects, function(obj) { return obj.id })
           

test/SequelizeHelperTest.js

@@ -13,8 +13,8 @@ module.exports = {
   },
   
   'SQL: manyToManyTableName': function(assert) {
-    assert.equal(h.SQL.manyToManyTableName({tableName: 'foo'}, {tableName: 'bar'}), 'barfoo')
-    assert.equal(h.SQL.manyToManyTableName({tableName: 'bar'}, {tableName: 'foo'}), 'barfoo')
+    assert.equal(h.SQL.manyToManyTableName('foo', 'bar'), 'BarFoo')
+    assert.equal(h.SQL.manyToManyTableName('bar','foo'), 'BarFoo')
   },
   'SQL: asTableIdentifier': function(assert) {
     assert.equal(h.SQL.asTableIdentifier('Users'), 'userId')

test/SequelizeTableTest.js

@@ -51,8 +51,8 @@ module.exports = {
   'prepareAssociations hasMany': function(assert) {
     var ManyToManyPart1 = s.define('ManyToManyPart1', {})
     var ManyToManyPart2 = s.define('ManyToManyPart2', {})
-    ManyToManyPart1.hasMany('manyToManyPart1', ManyToManyPart2)
-    ManyToManyPart2.hasMany('manyToManyPart1', ManyToManyPart1)
+    ManyToManyPart1.hasMany('manyToManyPart2s', ManyToManyPart2)
+    ManyToManyPart2.hasMany('manyToManyPart1s', ManyToManyPart1)
 
     ManyToManyPart1.prepareAssociations()
     ManyToManyPart2.prepareAssociations()