text: create schema s;
  
  create table s.my_nullable_class
  (
      "id"              text primary key,
      "name"            text,
      "capacity"        text,
      "longivity"       text,
      "proc"            text,
      "version"         integer,
      "date"            date,
      "bool"            boolean,
      "timestamp"       timestamp with time zone,
      "uuid"            uuid,
      "time"            time without time zone,
      "local_date"      date,
      "local_date_time" timestamp without time zone,
      "list"            jsonb not null,
      "enum"            text
  );