Passing multiple rows to a function?

From: Vitaly Belman <vitalyb(at)gmail(dot)com>
To: Postgresql Novice <pgsql-novice(at)postgresql(dot)org>
Subject: Passing multiple rows to a function?
Date: 2005-04-24 00:00:55
Message-ID: fa96e3c605042317007f2df037@mail.gmail.com
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I know that you can pass rows/records to a function but what about a
few rows? Is that possible?

For example, I'd like to send to a function a number of rows from the
"workers" table (e.g "select * from workers where age<10") and the
function will return their summed salary.

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