| From: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Kevin Grittner <kgrittn(at)ymail(dot)com>, Dan Ports <drkp(at)csail(dot)mit(dot)edu> |
| Subject: | Re: missing SSI check in heapgettup_pagemode() ? |
| Date: | 2013-09-05 17:45:46 |
| Message-ID: | 5228C34A.5010807@vmware.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On 05.09.2013 20:30, Alvaro Herrera wrote:
> I was scrolling heapgettup() and heapgettup_pagemode() in parallel, and
> noticed that the former calls CheckForSerializableConflictOut() for
> tuples read, and the latter doesn't. Is there a reason for this
> discrepancy? If so, I think it warrants a comment about the missing
> check.
In page-at-a-time mode, the CheckForSerializableConflictOut() is done in
heapgetpage(). Same with the visibility checks.
- Heikki
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