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From: Tom Lane <[email protected]>
To: Michael Nolan <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Declaring a field that is also an out parameter in a function
Date: Sat, 06 Jul 2024 18:13:49 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAOzAquKPXRWp38u9cURDCd4XzKCbKLhuZvH6AQjtXGW3R6-LoQ@mail.gmail.com>
References: <CAOzAquKPXRWp38u9cURDCd4XzKCbKLhuZvH6AQjtXGW3R6-LoQ@mail.gmail.com>

Michael Nolan <[email protected]> writes:
> Shouldn't declaring a field that is also an OUT parameter throw an error?

No.  The DECLARE is a block nested within the function,
and the parameter is declared at function scope.
So this is a standard case of an inner declaration masking
an outer one.

Possibly plpgsql_check can be set to complain about such cases,
but they're legal according to the language specification.

			regards, tom lane

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