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

From Tom Lane
Subject Re: [HACKERS] btree_gin and btree_gist for enums
Date
Msg-id 19852.1488140777@sss.pgh.pa.us
Whole thread Raw
In response to Re: [HACKERS] btree_gin and btree_gist for enums  (Andrew Dunstan <andrew.dunstan@2ndquadrant.com>)
Responses Re: [HACKERS] btree_gin and btree_gist for enums  (Andrew Dunstan <andrew.dunstan@2ndquadrant.com>)
List pgsql-hackers
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?
        regards, tom lane



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