From: Tom Lane <tgl@sss.pgh.pa.us>
To: Roberto Mello <rmello@cc.usu.edu>
Cc: pgsql-docs@postgresql.org
Subject: Re: Revamped PL/pgSQL Documentation
Date: Fri, 16 Mar 2001 15:44:01 -0500
Message-ID: <26119.984775441@sss.pgh.pa.us> (raw)
In-Reply-To: <20010316125233.A21495@cc.usu.edu>
References: <20010316125233.A21495@cc.usu.edu>
Roberto Mello <rmello@cc.usu.edu> writes:
> The part that confuses me is the end. I assume that if you specify
> DEFAULT you must specify a value. Am I right in understanding that
> notation as meaning:
> name [ CONSTANT ] type [ NOT NULL ] [ DEFAULT value | := value ];
> or perhaps it could be written like this:
> name [ CONSTANT ] type [ NOT NULL ] [ { DEFAULT | := } value ];
Use the source, Luke ... a quick look into plpgsql's gram.y shows that
the latter is correct, ie, 'DEFAULT' and ':=' are interchangeable
introducers for an initialization expression.
regards, tom lane
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To: pgsql-docs@postgresql.org
Cc: tgl@sss.pgh.pa.us, rmello@cc.usu.edu
Subject: Re: Revamped PL/pgSQL Documentation
In-Reply-To: <26119.984775441@sss.pgh.pa.us>
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