Remove all data at PostgreSQL on public schema

truncate_all_data_at_public_schema.sql

-- truncate All tables (Including foreign key constraint as CASCADE)
DO $$
DECLARE
  r RECORD;
BEGIN
  FOR r IN (SELECT tablename FROM pg_tables WHERE schemaname = 'public') LOOP
    EXECUTE 'TRUNCATE TABLE public.' || quote_ident(r.tablename) || ' CASCADE';
  END LOOP;
END $$;