Re: Could postgres12 support millions of sequences? (like 10 million)

From: Rob Sargent <robjsargent(at)gmail(dot)com>
To: pabloa98 <pabloa98(at)gmail(dot)com>
Cc: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Could postgres12 support millions of sequences? (like 10 million)
Date: 2020-03-20 01:16:27
Message-ID: EC5FE322-A924-4077-B5A9-0A6E6BC67CAC@gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

> On Mar 19, 2020, at 6:45 PM, pabloa98 <pabloa98(at)gmail(dot)com> wrote:
>
>
>
> On Thu, Mar 19, 2020 at 5:13 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
> On 3/19/20 3:32 PM, pabloa98 wrote:
> >
> >
> > On Thu, Mar 19, 2020 at 3:17 PM Rob Sargent <robjsargent(at)gmail(dot)com <mailto:robjsargent(at)gmail(dot)com>
> > <mailto:robjsargent(at)gmail(dot)com <mailto:robjsargent(at)gmail(dot)com>>> wrote:I have a table called "pair":
>
> CREATE TABLE pair(
> group INT NOT NULL,
> element INT NOT NULL,
> CONSTRAINT PRIMARY KEY (group, element)
> );
>
> I must add entries to the table "event". This table event will have a code that will be generated using a sequence of that is a function of s(group,element).
> CREATE TABLE event(
> group INT NOT NULL,
> element INT NOT NULL,
> code INT NOT NULL,
> CONSTRAINT PRIMARY KEY(code, element, group)
> );
>
Unless event table is searched by code more than group, you probably want to maintain the key order from the pair table's primary key.

If gaps are ok do you still near multiple sequences?

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message pabloa98 2020-03-20 01:35:12 Re: Could postgres12 support millions of sequences? (like 10 million)
Previous Message pabloa98 2020-03-20 00:45:50 Re: Could postgres12 support millions of sequences? (like 10 million)