| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Not HOT enough |
| Date: | 2011-11-23 00:25:34 |
| Message-ID: | CA+U5nM+hvRJZ8Aw7hQXRp0LS2fMs5c-o9d4GwcqfKhhHYWMhAg@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Nov 22, 2011 at 11:40 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>> I think this is unsafe for shared catalogs.
>
> I think so too. Thats why it uses IsMVCCSnapshot() to confirm when it
> is safe to do so.
>
Ah, you mean access to shared catalogs using MVCC snapshots.
Fixed.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
| Attachment | Content-Type | Size |
|---|---|---|
| fix_getsnapshotdata.v2.patch | application/octet-stream | 2.0 KB |
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