Re: getting rid of SnapshotNow
Andres Freund <andres@2ndquadrant.com>
From: Andres Freund <andres@2ndquadrant.com>
To: Bruce Momjian <bruce@momjian.us>
Cc: Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>,
pgsql-hackers@postgresql.org
Date: 2013-08-05T15:22:28Z
Lists: 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