Re: BUG #17128: minimum numeric 'integer' is -2147483647 not -2147483648 as documented

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От John Naylor
Тема Re: BUG #17128: minimum numeric 'integer' is -2147483647 not -2147483648 as documented
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Msg-id CAFBsxsEf6qMvYf5WbDOUdr57mGq18La21R4wNr5=zm4C-1vs6A@mail.gmail.com
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Ответ на BUG #17128: minimum numeric 'integer' is -2147483647 not -2147483648 as documented  (PG Bug reporting form <noreply@postgresql.org>)
Ответы Re: BUG #17128: minimum numeric 'integer' is -2147483647 not -2147483648 as documented  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Fri, Jul 30, 2021 at 7:53 AM PG Bug reporting form <noreply@postgresql.org> wrote:

> The PGTYPESnumeric_to_int function deems -2147483648 to be invalid even
> though it is a perfectly valid 32-bit integer because the code compares to
> -INT_MAX which resolves to -2147483647 on the Fedora/Red Hat and Solaris
> versions I have available to check against.

> -   if (l < -INT_MAX || l > INT_MAX)
> +   if (l < (-INT_MAX - 1) || l > INT_MAX)

Yeah, that looks like it should be INT_MIN instead. I'll see about making that happen. Thanks for the report!

--
John Naylor
EDB: http://www.enterprisedb.com

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