Merge pull request #2422 from nullivex/master

Fixes #2416 - Creation of Many-to-Many associations using indexes

lib/associations/has-many.js

@@ -133,6 +133,7 @@ module.exports = (function() {
     if (typeof this.through.model === 'string') {
       this.through.model = this.sequelize.define(this.through.model, {}, _.extend(this.options, {
         tableName: this.through.model,
+        indexes: {}, //we dont want indexes here (as referenced in #2416)
         paranoid: false  // A paranoid join table does not make sense
       }));
 

test/associations/has-many.test.js

@@ -1278,6 +1278,39 @@ describe(Support.getTestDialectTeaser("HasMany"), function() {
           expect(tasks[0].title).to.equal('get started');
         });
       });
+
+
+      it('should not pass indexes to the join table',function(){
+        var User = this.sequelize.define(
+          'User',
+          { username: DataTypes.STRING },
+          {
+            indexes: [
+              {
+                name: 'username_unique',
+                unique: true,
+                method: 'BTREE',
+                fields: ['username']
+              }
+            ]
+          });
+        var Task = this.sequelize.define(
+          'Task',
+          { title: DataTypes.STRING },
+          {
+            indexes: [
+              {
+                name: 'title_index',
+                method: 'BTREE',
+                fields: ['title']
+              }
+            ]
+          });
+        //create associations
+        User.hasMany(Task);
+        Task.hasMany(User);
+        return this.sequelize.sync({ force: true });
+      });
     });
 
     describe('addMultipleAssociations', function () {