alter table wvp_device_channel
    change stream_id stream_id varying(255)

alter table wvp_platform
    add auto_push_channel bool default false

alter table wvp_stream_proxy
    add stream_key varying(255)

create table wvp_cloud_record (
      id serial primary key,
      app character varying(255),
      stream character varying(255),
      call_id character varying(255),
      start_time integer,
      end_time integer,
      media_server_id character varying(50),
      file_name character varying(255),
      folder character varying(255),
      file_path character varying(255),
      collect_type character varying(255),
      file_size integer,
      time_len integer,
      constraint uk_stream_push_app_stream_path unique (app, stream, file_path)
);