| From: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: MultiXact truncation, startup et al. |
| Date: | 2013-11-29 21:26:00 |
| Message-ID: | 1385760360.65292.YahooMailNeo@web162901.mail.bf1.yahoo.com |
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| Lists: | pgsql-hackers |
Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> wrote:
> New versions of all these patches, plus one more patch which
> removes the behavior that HeapTupleGetUpdateXid checks for
> aborted updates. (Turns out this was necessary to get freezing
> right.) My previous patch to avoid InvalidXid as page prune
> point is reverted in there, too (no longer necessary.)
Does this mean that when HeapTupleSatisfiesVacuum() returns
HEAPTUPLE_DELETE_IN_PROGRESS it is no longer possible for
HeapTupleHeaderGetUpdateXid() to return InvalidTransactionId?
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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