question about pg_proc

From: Gevik Babakhani <pgdev(at)xs4all(dot)nl>
To: pgsql-hackers(at)postgresql(dot)org
Subject: question about pg_proc
Date: 2009-05-22 22:37:42
Message-ID: 4A172936.80709@xs4all.nl
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Is there a historical reason why we have a "proargtypes" and a
"proallargtypes"?
It seems that "proallargtypes" is only set when out parameters exist.
Could someone clarify this please?

Regards,
Gevik.

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