To: "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
cc: "Merlin Moncure" <mmoncure@gmail.com>,
	"Robert Haas" <robertmhaas@gmail.com>,
	"Jon Nelson" <jnelson+pgsql@jamponi.net>, pgsql-bugs@postgresql.org
Subject: Re: [PERFORM] typoed column name, but postgres didn't grump 
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Comments: In-reply-to "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
	message dated "Thu, 04 Nov 2010 10:35:08 -0500"
Date: Thu, 04 Nov 2010 12:14:45 -0400
Message-ID: <9974.1288887285@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>

"Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes:
> Merlin Moncure <mmoncure@gmail.com> wrote:
>> Trying to understand real world cases that this would
>> break...would the following now fail w/o explicit cast?
>> 
>> create type x as (a int, b int);
>> select f((1,2));
 
> It already does:

I think Merlin probably meant to write "select x((1,2))", but that
doesn't work out-of-the-box either.  What would be affected is
something like

	select text((1,2));

which you'd now be forced to write as

	select (1,2)::text;

(or you could use CAST notation; but not text(row) or row.text).

			regards, tom lane