CREATE TABLE organizational_units (
    id serial NOT NULL PRIMARY KEY,
    name character varying NOT NULL
);

CREATE TABLE users (
    id serial NOT NULL PRIMARY KEY,
    username character varying NOT NULL,
    full_name character varying NOT NULL,
    password character varying NOT NULL
);

CREATE TABLE inventory (
    id uuid DEFAULT gen_random_uuid() NOT NULL PRIMARY KEY,
    serial character varying,
    innenauftrag character varying NOT NULL,
    description character varying NOT NULL,
    oe integer NOT NULL REFERENCES organizational_units,
    location text NOT NULL,
    purchase_date timestamp with time zone NOT NULL,
    purchase_price numeric(1000,2) NOT NULL,
    old_inventory_id character varying
);

CREATE TABLE permissions (
    id serial NOT NULL PRIMARY KEY,
    "user" integer NOT NULL REFERENCES users,
    oe integer REFERENCES organizational_units,
    permission character varying NOT NULL
);