* Tom Lane:
>> Any idea what could cause this? Do I need to provide some estimator
>> function somewhere?
>
> If you haven't, then how would you expect the planner to know that?
Perhaps it's psychic, or there is some trick I don't know about? 8-)
> Less flippantly, you really need to tell us exactly what planner support
> you did provide, before you can expect any intelligent comment. Has the
> type got a default btree opclass?
Yes, I think so (because of CREATE OPERATOR CLASS ... USING btree).
> What selectivity estimators did you attach to the comparison
> operators?
Ah, I see, I probably need to provide a RESTRICT clause in the
operator definition. That should do the trick, and should be fairly
easy to implement in this case.
Sorry, I just missed this piece of information in the documentation, I
should have read it more carefully.
--
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