fix(fields): fix paranoid Model.destroy() and custom deletedAt field, closes #2879

lib/model.js

@@ -1470,8 +1470,10 @@ module.exports = (function() {
     }).then(function() {
       // Run delete query (or update if paranoid)
       if (self._timestampAttributes.deletedAt && !options.force) {
-        var attrValueHash = {};
-        attrValueHash[self._timestampAttributes.deletedAt] = Utils.now(self.modelManager.sequelize.options.dialect);
+        var attrValueHash = {}
+          , field = self.rawAttributes[self._timestampAttributes.deletedAt].field || self._timestampAttributes.deletedAt;
+          
+        attrValueHash[field] = Utils.now(self.modelManager.sequelize.options.dialect);
         return self.QueryInterface.bulkUpdate(self.getTableName(options), attrValueHash, options.where, options, self.rawAttributes);
       } else {
         return self.QueryInterface.bulkDelete(self.getTableName(options), options.where, options, self);

test/model/attributes/field.test.js

@@ -500,7 +500,7 @@ describe(Support.getTestDialectTeaser('Model'), function() {
         });
       });
 
-      it('should work with paranoid destroy', function () {
+      it('should work with paranoid instance.destroy()', function () {
         var User = this.sequelize.define('User', {
           deletedAt: {
             type: DataTypes.DATE,
@@ -521,6 +521,28 @@ describe(Support.getTestDialectTeaser('Model'), function() {
           });
         });
       });
+
+      it('should work with paranoid Model.destroy()', function () {
+        var User = this.sequelize.define('User', {
+          deletedAt: {
+            type: DataTypes.DATE,
+            field: 'deleted_at'
+          }
+        }, {
+          timestamps: true,
+          paranoid: true
+        });
+
+        return User.sync({force: true}).then(function () {
+          return User.create().then(function (user) {
+            return User.destroy({where: {id: user.get('id')}});
+          }).then(function () {
+            return User.findAll().then(function (users) {
+              expect(users.length).to.equal(0);
+            });
+          });
+        });
+      });
     });
   });
 });