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help / color / mirror / Atom feedFrom: Tomas Vondra <[email protected]>
To: Alvaro Herrera <[email protected]>
To: vignesh C <[email protected]>
Cc: Antonin Houska <[email protected]>
Cc: Srinath Reddy Sadipiralla <[email protected]>
Cc: Amit Kapila <[email protected]>
Cc: Mihail Nikalayeu <[email protected]>
Cc: Matthias van de Meent <[email protected]>
Cc: Pg Hackers <[email protected]>
Cc: Robert Treat <[email protected]>
Subject: Re: Adding REPACK [concurrently]
Date: Wed, 8 Apr 2026 12:20:53 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
Hi,
while building on a rpi5 with a 32-bit system, I'm getting these warnings:
config.status: linking src/makefiles/Makefile.linux to src/Makefile.port
In file included from ../../../src/include/access/tupmacs.h:20,
from ../../../src/include/access/htup_details.h:20,
from ../../../src/include/access/relscan.h:17,
from ../../../src/include/access/heapam.h:19,
from repack.c:36:
In function ‘VARSIZE_ANY’,
inlined from ‘restore_tuple’ at repack.c:2731:15:
../../../src/include/varatt.h:243:51: warning: array subscript
‘varattrib_4b[0]’ is partly outside array bounds of ‘union
<anonymous>[1]’ [-Warray-bounds=]
243 | ((((const varattrib_4b *) (PTR))->va_4byte.va_header >>
2) & 0x3FFFFFFF)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
../../../src/include/varatt.h:467:24: note: in expansion of macro
‘VARSIZE_4B’
467 | return VARSIZE_4B(PTR);
| ^~~~~~~~~~
repack.c: In function ‘restore_tuple’:
repack.c:2717:49: note: object ‘chunk_header’ of size 4
2717 | } chunk_header;
| ^~~~~~~~~~~~
In function ‘VARSIZE_ANY’,
inlined from ‘restore_tuple’ at repack.c:2734:4:
../../../src/include/varatt.h:243:51: warning: array subscript
‘varattrib_4b[0]’ is partly outside array bounds of ‘union
<anonymous>[1]’ [-Warray-bounds=]
243 | ((((const varattrib_4b *) (PTR))->va_4byte.va_header >>
2) & 0x3FFFFFFF)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
../../../src/include/varatt.h:467:24: note: in expansion of macro
‘VARSIZE_4B’
467 | return VARSIZE_4B(PTR);
| ^~~~~~~~~~
repack.c: In function ‘restore_tuple’:
repack.c:2717:49: note: object ‘chunk_header’ of size 4
2717 | } chunk_header;
| ^~~~~~~~~~~~
I'm not sure if it's just the compiler (gcc 14.2) being pesky, or if
it's an actual issue. The repack tests seem to pass fine.
regards
--
Tomas Vondra
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Subject: Re: Adding REPACK [concurrently]
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