Re: [HACKERS] btree_gin and btree_gist for enums
От | Andrew Dunstan |
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Тема | Re: [HACKERS] btree_gin and btree_gist for enums |
Дата | |
Msg-id | 88f65d25-8c32-1e09-f1ad-7f10e372a803@2ndQuadrant.com обсуждение исходный текст |
Ответ на | Re: [HACKERS] btree_gin and btree_gist for enums (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: [HACKERS] btree_gin and btree_gist for enums
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Список | 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 PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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