Re: [HACKERS] btree_gin and btree_gist for enums - Mailing list pgsql-hackers

On 02/26/2017 03:26 PM, Tom Lane wrote:
> Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
>> This works for the btree_gin case. However, there's a difficulty for
>> btree_gist - in the puicksplit routine the cmp function is passed to
>> qsort() so there is no chance to pass it an flinfo to set up the call to
>> the real comparison routine. Implementing a custom sort routine to work
>> around the problem seems a bridge too far. I can;t think of an
>> alternative off hand.
> We already have qsort_arg ... can't you change it to use that?
>
>             


Yes, wasn't aware of that, that looks like exactly what I need. thanks.

cheers

andrew

-- 
Andrew Dunstan                https://www.2ndQuadrant.com
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