Re: [COMMITTERS] pgsql: Add support for xmlval IS DOCUMENT expression.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [COMMITTERS] pgsql: Add support for xmlval IS DOCUMENT expression.
Date: 2007-01-14 19:38:33
Message-ID: 12654.1168803513@sss.pgh.pa.us
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petere(at)postgresql(dot)org (Peter Eisentraut) writes:
> Log Message:
> -----------
> Add support for xmlval IS DOCUMENT expression.

I don't think I trust your reverse-listing of IS DOCUMENT; you need
parens around the argument to be sure it is parsed the same way next
time, if it's not a trivial expression.

Or you could teach the pretty-print code the correct precedence rules,
but this patch hasn't done that.

regards, tom lane

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