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Re: Re: Buffer access rules, and a probable bug

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp>
Cc: "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Re: Buffer access rules, and a probable bug
Date: 2001-07-04 17:09:08
Message-ID: 27989.994266548@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
"Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> writes:
> As for HeapTupleSatisfies() there seems to be another choise to
> let HeapTupleSatisfiesAny() be equivalent to HeapTupleSatisfiesNow()
> other than always returning true.

Wouldn't that break the other uses of SnapshotAny?  I'm not sure
it's what nbtree.c wants, either, because then the heap_getnext
call wouldn't return recently-dead tuples at all.

			regards, tom lane

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