Merge branch 'master' into milestones/2.0.0

changelog.md

 Notice: All 1.7.x changes are present in 2.0.x aswell
 Notice: All 1.7.x changes are present in 2.0.x aswell
 
 
+# v1.7.0-rc5
+- sync() now correctly returns with an error when foreign key constraints reference unknown tables
+- sync() no longer fails with foreign key constraints references own table (toposort self-dependency error)
+
 # v1.7.0-rc4
 # v1.7.0-rc4
 - fixes issue with postgres sync and enums [#1020](https://github.com/sequelize/sequelize/issues/1020)
 - fixes issue with postgres sync and enums [#1020](https://github.com/sequelize/sequelize/issues/1020)
 - fixes various issues with limit and includes [#1322](https://github.com/sequelize/sequelize/pull/1322) 
 - fixes various issues with limit and includes [#1322](https://github.com/sequelize/sequelize/pull/1322) 

lib/dao-factory-manager.js

@@ -56,6 +56,9 @@ module.exports = (function() {
         }
         }
       }
       }
 
 
+      deps = deps.filter(function (dep) {
+        return dao.tableName !== dep
+      })
       sorter.add(dao.tableName, deps)
       sorter.add(dao.tableName, deps)
     })
     })
 
 

test/sequelize.test.js

@@ -488,6 +488,34 @@ describe(Support.getTestDialectTeaser("Sequelize"), function () {
           done()
           done()
         })
         })
       })
       })
+
+      it('handles self dependant foreign key constraints', function (done) {
+        var block = this.sequelize.define("block", {
+          id: { type: DataTypes.INTEGER, primaryKey: true },
+          name: DataTypes.STRING
+        }, {
+          tableName: "block",
+          timestamps: false,
+          paranoid: false
+        });
+
+        block.hasMany(block, {
+          as: 'childBlocks',
+          foreignKey: 'parent',
+          joinTableName: 'link_block_block',
+          useJunctionTable: true,
+          foreignKeyConstraint: true
+        });
+        block.belongsTo(block, {
+          as: 'parentBlocks',
+          foreignKey: 'child',
+          joinTableName: 'link_block_block',
+          useJunctionTable: true,
+          foreignKeyConstraint: true
+        });
+
+        this.sequelize.sync().done(done)
+      })
     }
     }
 
 
     describe("doesn't emit logging when explicitly saying not to", function() {
     describe("doesn't emit logging when explicitly saying not to", function() {