How to use the sequelize.NOW function in sequelize

},

  // 缓存的插件列表
  plugins: {
    type: Sequelize.STRING
  },

  // 缓存查询结果
  output: {
    type: Sequelize.JSON
  },

  // 生成缓存的时间
  cacheAt: {
    type: Sequelize.DATE,
    defaultValue: Sequelize.NOW
  }
}

const options = {
  indexes: [
    {
      fields: ['words']
    },
    {
      fields: [
        {
          attribute: 'count',
          order: 'DESC'
        }
      ]
    },

defaultValue: false
  },
  json: {
    type: Sequelize.JSONB,
    allowNull: false,
    get: deserializeJson('json')
  },
  createdAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW()
  },
  updatedAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW()
  }
}, {
  scopes: {
    userId: userId => ({
      include: [{
        model: User,
        where: {id: userId},
        through: {
          attributes: [] // prevents association table from being included in the result
        }
      }]
    })
  },
  instanceMethods: {
    setJson: function (path, value) {
      if (db.getDialect() === 'postgres') {

comment: '驳回，或者文章审核不通过的原因',
      field: 'rejection_reason'
    },
    like_count: {
      // 喜欢数
      type: Seq.BIGINT(20),
      comment: '喜欢数',
      field: 'like_count',
      defaultValue: 0
    },
    update_date: {
      // 更新时间
      type: Seq.DATE,
      comment: '更新时间',
      field: 'update_date',
      defaultValue: Seq.NOW /* 时间 */
    },
    ...time.create_date
  }
}

type: Sequelize.INTEGER(11).UNSIGNED,
    primaryKey: true,
    allowNull: false,
    field: 'member_id'
  },

  postId: {
    type: Sequelize.INTEGER(11).UNSIGNED,
    primaryKey: true,
    allowNull: false,
    field: 'post_id'
  },

  lastUpdatedAt: {
    type: Sequelize.DATE,
    defaultValue: Sequelize.NOW,
    field: 'last_updated_at'
  }

}, {

  getterMethods: {

  },
  setterMethods: {

  },

  classMethods: {

  },

*  R-생성요청 - 게시판 생성을 요청하는 곳이다.
   */
  type: {
    type: Sequelize.ENUM('N', 'C', 'T','R'),
    allowNull: false,
  },

  companyId: {
    type: Sequelize.INTEGER(11).UNSIGNED,
    field: 'company_id'
  },

  createdAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW,
    field: 'created_at'
  },

  updatedAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW,
    field: 'updated_at'
  },

  openingAt: {
    type: Sequelize.DATE,
    field: 'opening_at'
  },

  closingAt: {

var Sequelize = require('sequelize');
var base64Img = require('base64-img');
var config = require('config');
var sequelize = new Sequelize(config.Database.uri, {logging: config.Database.logging});


var Image = sequelize.define('image', {
	id: {type: Sequelize.INTEGER, autoIncrement: true, primaryKey: true},
	hash: Sequelize.STRING(32),
	count: {type: Sequelize.INTEGER, defaultValue: 0},
	url: Sequelize.STRING,
	filename: {type: Sequelize.STRING(42), unique: true},
	date: {type: Sequelize.DATE, defaultValue: Sequelize.NOW},
	nsfw: {type: Sequelize.INTEGER} 
},{
	instanceMethods: {
		b64: function() {
			return base64Img.base64Sync(config.AppServer.images + '/' + this.filename);
		}
	}
})

var Account = sequelize.define('account', {
	id: {type: Sequelize.INTEGER, autoIncrement: true, primaryKey: true},
	username: Sequelize.STRING,
	password: Sequelize.STRING,
	information: Sequelize.STRING,
	protocol: Sequelize.STRING,
	parser: Sequelize.STRING,

companyId: {
    type: Sequelize.INTEGER(11).UNSIGNED,
    field: 'company_id'
  },

  createdAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW,
    field: 'created_at'
  },

  updatedAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW,
    field: 'updated_at'
  },

  openingAt: {
    type: Sequelize.DATE,
    field: 'opening_at'
  },

  closingAt: {
    type: Sequelize.DATE,
    field: 'closing_at'
  }

}, {

  getterMethods: {

references: {
          model: 'Peers',
          key: 'id'
        }
      },
      settlement_method_id: {
        type: Sequelize.UUID,
        references: {
          model: 'SettlementMethods',
          key: 'id'
        }
      },
      created_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.NOW
      },
      updated_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.NOW
      }
    })
  },
  down: sequelize => {

export const OrderFactory = (
  sequelize: Sequelize.Sequelize,
  DataTypes: Sequelize.DataTypes
): OrderModel => {
  const Order: OrderModel = sequelize.define(
    'orders',
    {
      id: {
        type: DataTypes.STRING,
        autoIncrement: true,
        primaryKey: true
      },
      user: { type: DataTypes.STRING },
      date: {
        type: DataTypes.DATE,
        defaultValue: Sequelize.NOW
      }
    }
  );

  Order.associate = (models): void => {
    Order.belongsToMany(models.Item,  {
      through: 'orders_items',
      as: 'items',
      foreignKey: 'order_id'
    })
  };

  return Order;
};

type: Sequelize.INTEGER,
    allowNull: true
  },
  last_execution_successful: {
    type: Sequelize.BOOLEAN,
    allowNull: true
  },
  createdAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW()
  },
  updatedAt: {
    type: Sequelize.DATE,
    allowNull: false,
    defaultValue: Sequelize.NOW()
  }
}, {
  schema: db.schema,
  timestamps: true,
  createdAt: 'createdAt',
  updatedAt: 'updatedAt',
  instanceMethods: {
    /**
     * Never return the token in JSON.
     *
     * @override
     * @returns {object}
     */
    toJSON: function () {
      const json = this.get({plain: true})
      delete json.token