my column types are and have always been oid, but for some weird reason
when I dump and restore, I can't seem to reference my blobs anymore. I
have done this a zillion times, and just can't figure our what the heck
I'm doing wrong (this time).
On Mon, 2004-01-26 at 14:03, Tom Lane wrote:
> Jeremiah Jahn <jeremiah@cs.earlham.edu> writes:
> > when I run the following two commands all of my OIDs for my blobs (about
> > 5.5 million of them) no longer reference anything in pg_largeobject.
> > All of the loid values change.
>
> pg_dump/pg_restore do not (and cannot) arrange for large objects to have
> the same OIDs after restore as they had before. What they do try to do
> is update references to the large objects to have the new OID values.
> Last I checked, they look in columns of types "oid" and "lo" (if "lo"
> exists) for such references. Maybe you were engaging in some type
> punning, like storing your references in int4 or int8 columns?
>
> regards, tom lane
>
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--
Jeremiah Jahn <jeremiah@cs.earlham.edu>