| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Noah Misch <noah(at)leadboat(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: ALTER TABLE lock strength reduction patch is unsafe |
| Date: | 2012-01-02 19:49:51 |
| Message-ID: | 1325533773-sup-6881@alvh.no-ip.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Excerpts from Noah Misch's message of lun ene 02 16:39:09 -0300 2012:
>
> On Mon, Jan 02, 2012 at 04:33:28PM -0300, Alvaro Herrera wrote:
> > Uh, I thought detoasting had its own visibility test function .. I mean,
> > otherwise, what is HeapTupleSatisfiesToast for?
>
> The SnapshotNow scan was actually to build the relcache entry for the toast
> table before scanning the toast table itself. Stack trace:
Oh, right, that makes sense.
--
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Simon Riggs | 2012-01-02 19:53:28 | Re: our buffer replacement strategy is kind of lame |
| Previous Message | Simon Riggs | 2012-01-02 19:46:48 | Re: ALTER TABLE lock strength reduction patch is unsafe |