title: How to use of AND and OR operator in same query in sequelize?
body: <p>I execute the below query but i gives error. I want the result of my SQL query which i posted at end.</p>
  
  <pre><code>userServiceAppointmentModel.findAll({
          where: {
              technician_id: resultsFromAuthentication.technician_id,
              is_confirmed_by_user: 1,
              $or: {
                  service_start_time: {
                      gte: curLocalDate
                  },
                  service_running_status: 1
              }
      },
          attributes: attributes
      }).complete(function (err, appointmentResponse) {
          if (err) {
              console.log(err);
          }
  
  
  SELECT
      `id`, `technician_id`, `user_id`, `service_id`, `service_name`,
      `service_location_string`, `service_location_latitude`,
      `service_location_longitude`, `service_start_time`, `service_end_time`,
      `notes`, `total_cost`, `service_cost`, `is_confirmed_by_user`,
      `is_confirmed_by_technician`, `service_running_status`,
      `service_start_time_by_technician`,`service_complete_time_by_technician`
  FROM `user_service_appointment` AS `user_service_appointment`
  WHERE `user_service_appointment`.`technician_id`=154
  AND `user_service_appointment`.`is_confirmed_by_user`=1
  AND (`user_service_appointment`.`service_start_time` &gt;='2015-02-26 01:07'
      OR `user_service_appointment`.`service_running_status`=1)
  </code></pre>