On Thu, 7 Feb 2008, Harald Fuchs wrote:
> This works fine in 8.2.4, but 8.3.0 rejects the ALTER TABLE with the
> following (somewhat misleading) error message:
>
> ERROR: insert or update on table "t2" violates foreign key constraint "t2_t1id_fk"
> DETAIL: Key (t1id)=(t1id1) is not present in table "t1".
If the types were considered not comparable, you should have gotten a
message to that effect rather than a not present message. More to the
point that comparison should have succeeded I think. What do the following
give?
select * from t1 where id=CAST('t1id1' as VARCHAR(5));
select * from ONLY t2 fk LEFT OUTER JOIN ONLY t1 pk ON
(pk.id = fk.t1id) WHERE pk.id IS NULL;
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