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Re: [Patch] Windows relation extension failure at 2GB and 4GB - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: [Patch] Windows relation extension failure at 2GB and 4GB
Date
Msg-id CA+hUKGKpcG_owGzyuL5J_g1yd1GFLaHJJNcwj8Qh0LuFRoUsLQ@mail.gmail.com
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In response to Re: [Patch] Windows relation extension failure at 2GB and 4GB  (Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>)
Responses Re: [Patch] Windows relation extension failure at 2GB and 4GB
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On Wed, Nov 12, 2025 at 11:55 PM Dagfinn Ilmari Mannsåker
<ilmari@ilmari.org> wrote:
> I just noticed that the check is for 2GB, but the error message says
> 1GB.

-Dsegsize only accepts integers here and it's expressed in GB, so only
1 will actually work.  Presumably you could set a size up to 2GB - 1
block using -Dsegsize_blocks instead and it would work, but that's
clearly documented as developer-only.  I noticed that too and
scratched my head for a moment, but I think Michael used a defensible
cut-off and a defensible error message, they just disagree :-)

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