alter table if exists user drop constraint user_type_check;

alter table if exists user_detail drop constraint positive_service_fee;

alter table if exists user_charge drop constraint positive_fee;

alter table if exists user_charge drop constraint positive_amount;

alter table if exists park drop constraint positive_tenement;

alter table if exists park drop constraint positive_area;

alter table if exists park drop constraint positive_capacity;

alter table if exists park drop constraint category_check;

alter table if exists park drop constraint meter_check;

alter table if exists meter_04kv drop constraint positive_ratio;

alter table if exists maintenance_fee drop constraint positive_fee;

alter table if exists report drop constraint category_check;

alter table if exists report drop constraint meter_check;

alter table if exists report drop constraint withdraw_action_check;

alter table if exists will_diluted_fee drop constraint positive_fee;

alter table if exists end_user_detail drop constraint positive_ratio;