alter table order_heat
    add NOTICE_DATETIME timestamp(0);
comment on column order_heat.NOTICE_DATETIME is '通知时间';

alter table order_house
    add NOTICE_DATETIME timestamp(0);
comment on column order_house.NOTICE_DATETIME is '通知时间';

alter table order_water
    add NOTICE_DATETIME timestamp(0);
comment on column order_water.NOTICE_DATETIME is '通知时间';

alter table order_park
    add NOTICE_DATETIME timestamp(0);
comment on column order_park.NOTICE_DATETIME is '通知时间';

alter table vote
    add NOTICE_DATETIME timestamp(0);

comment on column vote.NOTICE_DATETIME is '通知时间';

alter table notice
    add NOTICE_DATETIME timestamp(0);

comment on column notice.NOTICE_DATETIME is '通知时间';

alter table house_renting
    add desired_position point;

alter table house_renting
    add desired_name varchar(255);

alter table house_renting
    add desired_address varchar(255);