CREATE TABLE public.dataraw
(
    id serial4 NOT NULL,
    unit_name text NULL,
    unit_type text NULL,
    tool_name text NULL,
    tool_type text NULL,
    unit_ip text NULL,
    unit_subnet text NULL,
    unit_gateway text NULL,
    event_timestamp timestamp NULL,
    battery_level float8 NULL,
    temperature float8 NULL,
    nodes_jsonb jsonb NULL,
    created_at timestamp DEFAULT CURRENT_TIMESTAMP NULL,
    updated_at timestamp NULL,
    CONSTRAINT dataraw_pk PRIMARY KEY (id),
    CONSTRAINT dataraw_unique UNIQUE (unit_name, tool_name, event_timestamp)
);


CREATE OR REPLACE FUNCTION public.update_updated_at_column()
 RETURNS trigger
 LANGUAGE plpgsql
AS $function$
BEGIN
   NEW.updated_at = now();
RETURN NEW;
END;
$function$
;


CREATE TRIGGER update_updated_at BEFORE
UPDATE
    ON dataraw FOR EACH ROW
EXECUTE PROCEDURE
    update_updated_at_column();