-- -- wf_callback__time_sysdate_plus_x/3 -- create or replace function wf_callback__time_sysdate_plus_x( integer, character varying, text ) returns timestamptz as $$ declare time_sysdate_plus_x__case_id alias for $1; time_sysdate_plus_x__transition_key alias for $2; time_sysdate_plus_x__custom_arg alias for $3; begin return now() + (time_sysdate_plus_x__custom_arg || ' days')::interval; end;$$ language plpgsql;