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Re: ERROR: argument to pg_get_expr() must come from system catalogs

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Dave Page <dpage@pgadmin.org>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-07-16T11:47:27Z
Lists: pgsql-hackers 
On Jul 16, 2010, at 2:27 AM, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> wrote:
> If we continue with the approach I took, we should implement the suggestion to create a new data type for this in 9.1. That would be more waterproof than the changes I made, if we introduce new ways to call functions in the future.

The downside is that it might cause the approach used in the older releases to get less testing.

...Robert