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Error handling inside PL/pgSQL functions

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To: pgsql-general@xxxxxxxxxxxxxx
Subject: Error handling inside PL/pgSQL functions
From: "Germán Hüttemann Arza" <ghuttemann@xxxxxxxxx>
Date: Thu, 12 Oct 2006 16:12:15 -0400

I am writing triggers procedures in PL/pgSQL and I need to handle some errors inside the procedures.
Specifically, I am doing a CAST(char AS integer) and I want to know when the char isn't a digit. How can I get do that?

Regards,

--
Germán Hüttemann

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