| From: | Thom Brown <thom(at)linux(dot)com> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Support retrieving value from any sequence |
| Date: | 2015-07-14 15:05:00 |
| Message-ID: | CAA-aLv71jt6uqvX4Y-DUkWjcOLf2yvsjdpGs-=aMkhwW-hzNcg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 14 July 2015 at 16:02, David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>
wrote:
> On Tue, Jul 14, 2015 at 10:52 AM, Thom Brown <thom(at)linux(dot)com> wrote:
>
>> The use-case I have in mind is for finding out how close to the 32-bit
>> integer limit sequences have reached. At the moment, this isn't possible
>> without creating a custom function to go fetch the last_value from the
>> specified sequence.
>>
>>
> Why wouldn't you just query the catalog? I was under the impression
> last said values were extra-transactional so that table should reflect the
> global state.
>
> What am I missing here?
>
Where in the catalog do you mean?
Thom
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