| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Jason Petersen <jason(at)citusdata(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)postgresql(dot)org> |
| Subject: | Re: Concurrent ALTER SEQUENCE RESTART Regression |
| Date: | 2017-05-15 14:34:02 |
| Message-ID: | 2a1e0c9e-8485-dfd8-86b8-a95542deec30@2ndquadrant.com |
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| Lists: | pgsql-bugs pgsql-hackers |
On 5/10/17 09:12, Michael Paquier wrote:
> Looking at 0001 and 0002... So you are correctly blocking nextval()
> when ALTER SEQUENCE holds a lock on the sequence object. And
> concurrent calls of nextval() don't conflict. As far as I can see this
> matches the implementation of 3.
>
> Here are some minor comments.
Committed after working in your comments. Thanks!
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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