I'd like to delete all the image files from a table by issuing an
interactive psql command. Given
CREATE TABLE image (
name text,
rast oid
);
with most tuples having images in rast, wanna do something like
=> select lo_unlink('select rast from image');
Can such a thing be done, and how? I guess I've forgotten the syntax.
Or will an update that sets the oids to null or 0 work?
(pgsql 9.1.2)
Thanks.
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