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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: David G. Johnston <david.g.johnston@gmail.com>
Cc: Vik Fearing <vik@2ndquadrant.fr>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: denisa.cirstescu@asentinel.com, "pgsql-docs@postgresql.org" <pgsql-docs@postgresql.org>
Subject: Re: Undocumented behavior od DROP SCHEMA ... CASCADE
Date: Fri, 12 Aug 2016 17:01:27 -0400
Message-ID: <20493.1471035687@sss.pgh.pa.us> (raw)
In-Reply-To: <20160812205508.GA714477@alvherre.pgsql>
References: <20160812205508.GA714477@alvherre.pgsql>
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Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> I think it'd be a good idea to add some more discoverability: what would
> be deleted if an object X were to be deleted?

There's plenty of discoverability already.  The documentation suggests

   (If you want to check what <command>DROP ... CASCADE</> will do,
   run <command>DROP</> without <literal>CASCADE</> and read the
   <literal>DETAIL</> output.)

Or you could do BEGIN; DROP ... CASCADE; ROLLBACK.

			regards, tom lane


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