On Thu, 28 Oct 2004, Andrei Bintintan wrote: > I try to dump a database from a 7.4.2 postgre system and to import it on > a 7.3.2. system, but I have a problem with the sequences in the dump.
In general, the above is not guaranteed to work. pg_dump will use features of the dumping version so moving the dump to an earlier version is filled with danger. > This is a seq example: > > CREATE SEQUENCE test_id_seq > INCREMENT BY 1 > NO MAXVALUE > NO MINVALUE > CACHE 1; > > This gives me an error when restoring on the 7.3 machine. Looking at the documentation, it looks like NO MAXVALUE and NO MINVALUE were added in 7.4. > I don't know what happened, because last week I also put a dump from 7.4 > to 7.3 without any problems. > A coelege from me made an application and some modifications in the 7.4 > database system, now I see that in every database there are these tables > that weren't before: sql_features, sql_implementation_info, > sql_languages, sql_packages, sql_sizing, sql_sizing_profiles. I believe these are part of the SQL standard information_schema. ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
