Message-ID: <00e101c88b84$df1bbca0$9d5335e0$@r@sbcglobal.net> On: Fri, 21 Mar 2008 13:53:36 -0500, "Adam Rich" <adam.r@xxxxxxxxxxxxx> wrote: > > I am not sure about 8.3 but certainly earlier releases of PostgreSQL > > would have specific dependency issues when a sequence was applied to > > a column after the fact, versus using the serial or bigserial > > psuedo-types. > I'd like to point out that using pg_dump does in fact apply sequences > to columns after the fact. (at least in 8.3) Columns lose their > "serial" designation after each backup/restore (and therefore during > version upgrades) Can someone expand upon this observation with respect to tables with surrogate primary keys generated by a sequence? I am not at all clear as to the implications of this statement but it caused me to wonder if the primary key values of such tables could be changed simply by dumping and reloading the database as in an upgrade between versions. Surely this is not the case? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@xxxxxxxxxxxxx Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general