Re: WIP: BRIN multi-range indexes

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>
Cc: John Naylor <john(dot)naylor(at)enterprisedb(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: WIP: BRIN multi-range indexes
Date: 2021-03-26 13:55:38
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Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> writes:
> I recall seeing "bus error" on sparc with other patches because of
> alignment issues, so I wonder if this is what's happening here.

Try compiling with the address sanitizer enabled. Per c.h,

* Testing can be done with "-fsanitize=alignment -fsanitize-trap=alignment"
* on clang, or "-fsanitize=alignment -fno-sanitize-recover=alignment" on gcc.

regards, tom lane

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