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Re: Assertion failure with small block sizes

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: "PostgreSQL-development Hackers" <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Assertion failure with small block sizes
Date: 2007-10-16 02:32:47
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
Gregory Stark <stark(at)enterprisedb(dot)com> writes:
> If I push the TOAST_TUPLES_PER_PAGE up to 16 I get another failure on the same
> line from trying to toast a sequence. If I add RELKIND_SEQUENCE to the
> assertion then it passes all regression tests even if I push
> TOAST_TUPLES_PER_PAGE up to 1024 -- ie, try to toast everything as far as
> possible. Perhaps heapam.c:1761 should just check for RELKIND_SEQUENCE as
> well.

Hmm.  I'm inclined to reverse the tests (there are 3 not just 1) in
heapam.c, so that it explicitly tries to toast only in plain tables,
rather than adding more exclusion cases.  Thoughts?

			regards, tom lane

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