The following bug has been logged online:
Bug reference: 4274
Logged by: eric melbardis
Email address: eric.melbardis@netkitsolutions.com
PostgreSQL version: 8.3.3
Operating system: windows xp sp3
Description: uuid returns duplicate values
Details:
the uuid functions do not return unique values if used sequntially, or i
believe without too much tme in between invocations.
the following test functions returns the same value!
------------ test function ---------------
create or replace function test_uuid()
returns varchar as
$body$
begin
raise notice 'uuid = %', uuid_generate_v4();
raise notice 'uuid = %', uuid_generate_v4();
raise notice 'uuid = %', uuid_generate_v4();
raise notice 'uuid = %', uuid_generate_v4();
end;
$body$
language 'plpgsql' ;