Re: function difference not found

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Shaozhong SHI <shishaozhong(at)gmail(dot)com>
Cc: pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: function difference not found
Date: 2021-11-25 18:03:44
Message-ID: CAKFQuwbYmaJ1rHDuHMCnHxNtA-T7RR8Co5KOsgYdV_mz0U2sBg@mail.gmail.com
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On Thu, Nov 25, 2021 at 9:13 AM Shaozhong SHI <shishaozhong(at)gmail(dot)com>
wrote:

> Function difference not found.
>
> Should an extension created for finding it?
>
>
It's an operator (there may be a backing function that isn't documented)...

SELECT 5 - 2; -- yields 3, the difference of 5 and 2.

David J.

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