From: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> |
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To: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: to_hex() for negative inputs |
Date: | 2023-01-25 21:43:30 |
Message-ID: | ac4df0fb-5b57-4c18-30c1-c24d42e562b6@enterprisedb.com |
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On 24.01.23 14:10, Dean Rasheed wrote:
> I also think it might be useful for it to gain a couple of boolean options:
>
> 1). An option to output a signed value (defaulting to false, to
> preserve the current two's complement output).
I find the existing behavior so strange, I would rather give up and
invent a whole new function family with correct behavior, which could
then also support octal and binary, and perhaps any base. This could be
something generally named, like "convert" or "format".
> 2). An option to output the base prefix "0x" (which comes after the
> sign, making it inconvenient for the user to add themselves).
This could also be handled with a "format"-like function.
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