| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | 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>, amul sul <sulamul(at)gmail(dot)com> |
| Subject: | Re: Hash Functions |
| Date: | 2017-08-18 03:19:17 |
| Message-ID: | CA+TgmoZfvQiUSnNDYgnZgHqDD0hEgdcO4nFwN833ipZeNbhkng@mail.gmail.com |
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| Lists: | pgsql-hackers |
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.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| Attachment | Content-Type | Size |
|---|---|---|
| add-optional-second-hash-proc-v1.patch | application/octet-stream | 20.2 KB |
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