Re: getting rid of SnapshotNow - Mailing list pgsql-hackers

From Andres Freund
Subject Re: getting rid of SnapshotNow
Date
Msg-id 20130805152228.GB10893@alap2.anarazel.de
Whole thread Raw
In response to Re: getting rid of SnapshotNow  (Bruce Momjian <bruce@momjian.us>)
Responses Re: getting rid of SnapshotNow  (Bruce Momjian <bruce@momjian.us>)
List pgsql-hackers
On 2013-08-05 11:17:08 -0400, Bruce Momjian wrote:
> One interesting aspect of this patch is that the backend code is no
> longer even checking HEAP_MOVED_OFF and HEAP_MOVED_IN.  However, we
> can't reuse those bits because they could be set from pre-9.0 rows.

The other tqual.c .satisfies routines still check it - and have to do
so.

It'd be nice to get rid of that, but this patch doesn't seem to get us
nearer towards it :(

Greetings,

Andres Freund

-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services



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