fix(postgres/query-generator): addColumn should replace BOOLEAN type correctly

lib/dialects/postgres/query-generator.js

@@ -392,7 +392,7 @@ module.exports = (function() {
       }
 
       var template = '<%= type %>'
-        , replacements = { type: attribute.type };
+        , replacements = {};
 
       if (attribute.type.toString() === DataTypes.ENUM.toString()) {
         if (Array.isArray(attribute.values) && (attribute.values.length > 0)) {
@@ -404,15 +404,19 @@ module.exports = (function() {
         }
       }
 
-      if (attribute.type === attribute.BOOLEAN) {
+      if (attribute.type === DataTypes.BOOLEAN) {
         attribute.type = 'BOOLEAN';
       }
 
-      if (attribute.type === attribute.DATE) {
+      if (attribute.type === DataTypes.DATE) {
         attribute._typeName = 'DATETIME';
         attribute.type = 'TIMESTAMP WITH TIME ZONE';
       }
 
+      if (!replacements.type) {
+        replacements.type = attribute.type;
+      }
+
       if (attribute.hasOwnProperty('allowNull') && (!attribute.allowNull)) {
         template += ' NOT NULL';
       }

test/migrator.test.js

@@ -268,7 +268,9 @@ describe(Support.getTestDialectTeaser("Migrator"), function() {
 
         this.init({ from: 20111117063700, to: 20111205167000 }, function(migrator) {
           migrator.migrate().complete(function(err) {
+            expect(err).not.to.be.ok;
             self.sequelize.getQueryInterface().describeTable('User').complete(function(err, data) {
+              expect(err).not.to.be.ok;
               var signature = data.signature
                 , isAdmin   = data.isAdmin
                 , shopId    = data.shopId