-- -- time/1 -- create or replace function time( timestamp without time zone ) returns time as $$ timestamp_time$$ language plpgsql; -- -- time/1 -- create or replace function time( interval ) returns time as $$ interval_time$$ language plpgsql; -- -- time/2 -- create or replace function time( time without time zone, integer ) returns time as $$ time_scale$$ language plpgsql; -- -- time/1 -- create or replace function time( timestamp with time zone ) returns time as $$ timestamptz_time$$ language plpgsql; -- -- time/1 -- create or replace function time( time with time zone ) returns time as $$ timetz_time$$ language plpgsql;