| From: | amul sul <sulamul(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Joe Conway <mail(at)joeconway(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Jeff Davis <pgsql(at)j-davis(dot)com>, Yugo Nagata <nagata(at)sraoss(dot)co(dot)jp> |
| Subject: | Re: Hash Functions |
| Date: | 2017-08-18 17:12:02 |
| Message-ID: | CAAJ_b96FwSNT7fHBPzNo1ySn30s2FnFdz+BhC+EcjddDBw7NKw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Aug 18, 2017 at 8:49 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Wed, Aug 16, 2017 at 5:34 PM, Robert Haas <robertmhaas(at)gmail(dot)com>
> wrote:
> > Attached is a quick sketch of how this could perhaps be done (ignoring
> > for the moment the relatively-boring opclass pushups).
>
> Here it is with some relatively-boring opclass pushups added. I just
> did the int4 bit; the same thing will need to be done, uh, 35 more
> times. But you get the gist. No, not that kind of gist.
>
>
I will work on this.
I have a small query, what if I want a cache entry with extended hash
function instead standard one, I might require that while adding
hash_array_extended function? Do you think we need to extend
lookup_type_cache() as well?
Regards,
Amul
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