"Greg Peters" <[EMAIL PROTECTED]> writes: > As you can see, the primary key is exported as a bigint, with a separate > section for the sequence. This differs to the way 8.1 dumps the same table > below:
This is an intentional change that fixes a lot of corner cases such as renamed sequences. The former behavior looked simple, perhaps, but it failed outright in too many scenarios. See http://archives.postgresql.org/pgsql-committers/2006-08/msg00376.php and preceding discussions in pgsql-hackers. > I then tried to restore the DB dumped by 8.2b3 into 8.1, with no success. It > didn't like the sequence part. This probably isn't so much a bug, but more a > backwards compatibility issue. We have never promised backward compatibility of pg_dump output to older server versions. regards, tom lane ---------------------------(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