Re: function difference not found

From: Osvaldo Kussama <osvaldo(dot)kussama(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 18:52:14
Message-ID: CADgbbqj8LaJHztXFPhsGaFhfD1SpCY-Et_rPM+N8CVGidUZAdA@mail.gmail.com
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2021-11-25 13:12 GMT-03:00, Shaozhong SHI <shishaozhong(at)gmail(dot)com>:
> Function difference not found.
>
> Should an extension created for finding it?
>

Perhaps you are talking about EXCEPT set operator?
https://www.postgresql.org/docs/current/queries-union.html

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