On Thu, Jan 25, 2007 at 12:33:51 -0500, John Smith <[EMAIL PROTECTED]> wrote: > guys, > i inserted 1 record into my database (default > nextval('sequencename'::regclass) where (start 1 increment 1)). then i > tried to insert 1 other record twice but both those inserts failed > because of a domain check ("ERROR: value too long for type character > varying(X)". when i was finally able to insert that record the > sequence jumped 2 places. seems like it counted the failed inserts?
That is how sequences work. All your are guaranteed globally is that they are unique. You can't rely on getting a sequence without gaps. Within a single session you can get a guaranty that the values increase monotonicly if you disallow wrap around for the sequence. ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match