"ir. F.T.M. van Vugt bc." <ftm(dot)van(dot)vugt(at)foxi(dot)nl> writes:
> Any hints on this (last) one....?
> -> Nested Loop (cost=0.00..643707.03 rows=3980 width=28)
> Join Filter: (((("inner".debtor_id)::text || '-'::text) ||
> ("inner".address_seqnr)::text) = "outer".old_id)
Looks to me like debtor_id and address_seqnr are not text type, but are
being compared to things that are text. Hard to tell exactly what's
going on though --- I suppose this query is getting rewritten by a rule?
regards, tom lane