Re: BUG #4997: Expression evaluation rules

From: "Dmitry Samokhin" <sdld(at)mail(dot)ru>
To: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #4997: Expression evaluation rules
Date: 2009-08-20 14:27:54
Message-ID: h6jmh6$2dtd$1@news.hub.org
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Yes... Described in "38.4. Expressions"...

To be more exact, it's neither bug nor feature. To evaluate an integral CASE
... END expression, the 'main' SQL engine needs all its parameters passed to
exist at least. But the evaluation rules (I think) remain the same both in
separate SQL queries and server procedures.

Thanks for reply,
closed.

Dmitry.

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