tuarrep

-- Based off IETF draft, https://datatracker.ietf.org/doc/draft-peabody-dispatch-new-uuid-format/
create or replace function uuid_generate_v7()
    returns uuid
as $$
declare
    unix_ts_ms bytea;
    uuid_bytes bytea;
begin
    unix_ts_ms = substring(int8send(floor(extract(epoch from clock_timestamp()) * 1000)::bigint) from 3);