Date: Sun, 10 Feb 2019 22:54:23 -0300
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Geoghegan <pg@bowt.ie>,
	PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: Fixing findDependentObjects()'s dependency on scan order
 (regressions in DROP diagnostic messages)
Message-ID: <20190211015423.GA16289@alvherre.pgsql>
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On 2019-Feb-10, Tom Lane wrote:

> Alvaro Herrera <alvherre@2ndquadrant.com> writes:

> > If we disregard the scenario were people downgrade across minor
> > versions, it's likely possible to produce SQL queries to transform from
> > the old arrangement to the new one, and include those in release notes
> > or a wiki page; not for this week's minors (ENOTIME) but maybe for the
> > next one.
> 
> Dunno ... we couldn't force people to do that, so the server would have to
> be prepared to cope with either arrangement, which seems like an
> impossible mess.

True.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services