Allow the omittion of values on autoincremental columns. Closes #673

lib/dialects/postgres/query-generator.js

@@ -539,7 +539,7 @@ module.exports = (function() {
           }
           }
 
 
           if (dataType.autoIncrement) {
           if (dataType.autoIncrement) {
-            template +=" SERIAL"
+            template += " SERIAL"
           }
           }
 
 
           if (dataType.defaultValue !== undefined) {
           if (dataType.defaultValue !== undefined) {
@@ -754,6 +754,7 @@ module.exports = (function() {
     Utils._.forEach(attrValueHash, function(value, key, hash) {
     Utils._.forEach(attrValueHash, function(value, key, hash) {
         if (tables[tableName] && tables[tableName][key]) {
         if (tables[tableName] && tables[tableName][key]) {
           switch (tables[tableName][key]) {
           switch (tables[tableName][key]) {
+            case 'bigserial':
             case 'serial':
             case 'serial':
               delete hash[key]
               delete hash[key]
               returning.push(key)
               returning.push(key)

spec/dao-factory.spec.js

@@ -426,6 +426,34 @@ describe(Helpers.getTestDialectTeaser("DAOFactory"), function() {
       })
       })
     })
     })
 
 
+    it('can omitt autoincremental columns', function(done) {
+      var self = this
+        , data = { title: 'Iliad' }
+        , dataTypes = [Sequelize.INTEGER, Sequelize.BIGINT]
+
+      dataTypes.forEach(function(dataType, index) {
+        var Book = self.sequelize.define('Book'+index, {
+          id: { type: dataType, primaryKey: true, autoIncrement: true },
+          title: Sequelize.TEXT
+        })
+        Book.sync({ force: true }).success(function() {
+          Book
+            .create(data)
+            .success(function(book) {
+              expect(book.title).toEqual(data.title)
+              expect(book.author).toEqual(data.author)
+              expect(Book.rawAttributes.id.type.toString())
+                .toEqual(dataTypes[index].toString())
+
+              Book.drop();
+              if (index >= dataTypes.length - 1) {
+                done()
+              }
+            })
+        })
+      })
+    })
+
     it('saves data with single quote', function(done) {
     it('saves data with single quote', function(done) {
       var quote = "single'quote"
       var quote = "single'quote"
         , self  = this
         , self  = this