> You'd have to do something like > DELETE FROM pg_operator WHERE oprcode = 'anytextcat'::regproc; > since there isn't any higher-level command that will let you delete a > built-in operator. > > I recommend practicing on a scratch database ;-) Thanks for the tip, though alas that didn't seem to fix it... select 1 || '/' ERROR: operator is not unique: integer || unknown LINE 1: select 1 || '/' ^ HINT: Could not choose a best candidate operator. You might need to add explicit type casts. and even select 1 || '/'::text ERROR: operator is not unique: integer || text LINE 1: select 1 || '/'::text ^ HINT: Could not choose a best candidate operator. You might need to add explicit type casts. Am I in between a rock and a hard place here? Thanks again, Anton -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general