Re: User defined type - analyze problem

Thanks a lot, this helped me with the messages. I thought, I would only have to define a operator class that fullfills at least the equals strategy. I didn't know, that I would have to provide a "full" btree operator class.

Best regards
Carsten Kropf
Am 03.05.2010 um 15:56 schrieb Tom Lane:

> Carsten Kropf <ckropf2(at)fh-hof(dot)de> writes:
>> I read somewhere, that this can be solved by preparing a operator class for btree and passing a comparison function for equality there. I did this with the following lines:
>> CREATE OPERATOR CLASS pointnd_btree_class
>> DEFAULT FOR TYPE pointnd USING btree AS
>> OPERATOR 3 =(pointnd, pointnd)
>> ;
>
> You need an actual, usable btree operator class, not one-sixth of one ...
> this is lacking the other four operators and the support function.
>
> regards, tom lane
>
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