This commit allows you to define a defaultValue for timestamp fields.

lib/dao-factory.js

@@ -599,8 +599,13 @@ module.exports = (function() {
       })
       })
 
 
       if (self.options.timestamps) {
       if (self.options.timestamps) {
-        values[createdAtAttr] = Utils.now()
-        values[updatedAtAttr] = Utils.now()
+        if (!values[createdAtAttr]) {
+          values[createdAtAttr] = Utils.now(self.daoFactoryManager.sequelize.options.dialect)
+        }
+
+        if (!values[updatedAtAttr]) {
+          values[updatedAtAttr] = Utils.now(self.daoFactoryManager.sequelize.options.dialect)
+        }
       }
       }
 
 
       records.push(values)
       records.push(values)

lib/dao.js

@@ -165,7 +165,7 @@ module.exports = (function() {
     }
     }
 
 
     if (this.__options.timestamps && this.dataValues.hasOwnProperty(updatedAtAttr)) {
     if (this.__options.timestamps && this.dataValues.hasOwnProperty(updatedAtAttr)) {
-      this.dataValues[updatedAtAttr] = values[updatedAtAttr] = Utils.now(this.sequelize.options.dialect)
+      this.dataValues[updatedAtAttr] = values[updatedAtAttr] = (this.isNewRecord && !!this.daoFactory.rawAttributes[updatedAtAttr] && !!this.daoFactory.rawAttributes[updatedAtAttr].defaultValue ? this.daoFactory.rawAttributes[updatedAtAttr].defaultValue : Utils.now(this.sequelize.options.dialect))
     }
     }
 
 
     if (this.isNewRecord) {
     if (this.isNewRecord) {
@@ -419,10 +419,15 @@ module.exports = (function() {
       }
       }
 
 
       if (this.__options.timestamps) {
       if (this.__options.timestamps) {
+        if (!this.defaultValues[Utils._.underscoredIf(this.__options.createdAt, this.__options.underscored)]) {
           defaults[Utils._.underscoredIf(this.__options.createdAt, this.__options.underscored)] = Utils.now(this.sequelize.options.dialect)
           defaults[Utils._.underscoredIf(this.__options.createdAt, this.__options.underscored)] = Utils.now(this.sequelize.options.dialect)
+        }
+
+        if (!this.defaultValues[Utils._.underscoredIf(this.__options.updatedAt, this.__options.underscored)]) {
           defaults[Utils._.underscoredIf(this.__options.updatedAt, this.__options.underscored)] = Utils.now(this.sequelize.options.dialect)
           defaults[Utils._.underscoredIf(this.__options.updatedAt, this.__options.underscored)] = Utils.now(this.sequelize.options.dialect)
+        }
 
 
-        if (this.__options.paranoid) {
+        if (this.__options.paranoid && !this.defaultValues[Utils._.underscoredIf(this.__options.deletedAt, this.__options.underscored)]) {
           defaults[Utils._.underscoredIf(this.__options.deletedAt, this.__options.underscored)] = null
           defaults[Utils._.underscoredIf(this.__options.deletedAt, this.__options.underscored)] = null
         }
         }
       }
       }

test/dao-factory.test.js

@@ -108,6 +108,39 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
       done()
       done()
     })
     })
 
 
+    it('should allow me to set a default value for createdAt and updatedAt', function(done) {
+      var UserTable = this.sequelize.define('UserCol', {
+        aNumber: Sequelize.INTEGER,
+        createdAt: {
+          type: Sequelize.DATE,
+          defaultValue: moment('2012-01-01').toDate()
+        },
+        updatedAt: {
+          type: Sequelize.DATE,
+          defaultValue: moment('2012-01-02').toDate()
+        }
+      }, { timestamps: true })
+
+      UserTable.sync({ force: true }).success(function() {
+        UserTable.create({aNumber: 5}).success(function(user) {
+          UserTable.bulkCreate([
+            {aNumber: 10},
+            {aNumber: 12}
+          ]).success(function() {
+            UserTable.all({where: {aNumber: { gte: 10 }}}).success(function(users) {
+              expect(moment(user.createdAt).format('YYYY-MM-DD')).to.equal('2012-01-01')
+              expect(moment(user.updatedAt).format('YYYY-MM-DD')).to.equal('2012-01-02')
+              users.forEach(function(u) {
+                expect(moment(u.createdAt).format('YYYY-MM-DD')).to.equal('2012-01-01')
+                expect(moment(u.updatedAt).format('YYYY-MM-DD')).to.equal('2012-01-02')
+              })
+              done()
+            })
+          })
+        })
+      })
+    })
+
     it('should allow me to override updatedAt, createdAt, and deletedAt fields', function(done) {
     it('should allow me to override updatedAt, createdAt, and deletedAt fields', function(done) {
       var UserTable = this.sequelize.define('UserCol', {
       var UserTable = this.sequelize.define('UserCol', {
         aNumber: Sequelize.INTEGER
         aNumber: Sequelize.INTEGER