| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Jürgen Purtz <juergen(at)purtz(dot)de>, Roger Harkavy <rogerharkavy(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Michael Paquier <michael(at)paquier(dot)xyz> |
| Subject: | Re: Add A Glossary |
| Date: | 2020-03-24 18:46:39 |
| Message-ID: | CA+TgmoYT2NnUueP5_=Z48XwVpyzciBfNxuuvYKUtLh-korZEmg@mail.gmail.com |
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On Fri, Mar 20, 2020 at 3:58 PM Justin Pryzby <pryzby(at)telsasoft(dot)com> wrote:
> > + A process that writes dirty pages and <glossterm>WAL
> > + Records</glossterm> to the file system and creates a special
>
> Does the chckpointer actually write WAL ?
Yes.
> An FK doesn't require the values in its table to be unique, right ?
I believe it does require that the values are unique.
> I think there's some confusion. Constraints are not objects, right ?
I think constraints are definitely objects. They have names and you
can, for example, COMMENT on them.
> Do we use shared_buffers for WAL ?
No.
(I have not reviewed the patch; these are just a few comments on your comments.)
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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