Re: "Cannot insert a duplicate key..." -- SOLVED

On Thu, Feb 06, 2003 at 10:35:36PM -0500, Tom Lane wrote:
> will trillich <will(at)serensoft(dot)com> writes:
> > in trying to UPDATE a linking-table record (the middle-man in a
> > many-to-many relationship) i've encountered an "ERROR: Cannot
> > insert a duplicate key into unique index _relations_p_r_v_ix"
>
> I tried to duplicate this, and got:
>
> ...
> regression-# relation.relative = r.id AND r.lname = 'b' and
> regression-# relation.relation_v = t.id AND t.name = 'Family';
> UPDATE 1
> regression=#
>
> I think there's something you left out.

you couldn't be more correct, dang it.

<alert OP=idiot>
well of course i left something out. i was actually inserting to
a view, and a rule was inserting in the actual table. turns out,
i'd forgotten to specify the WHERE id=OLD.id claus in the rule.
</alert>

<blush>feeling MUCH better now.</blush>

apologies for the bandwidth bloat. sometimes all it takes is
pressing "send" to reveal one's own density to the world -- and
to one's self.

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