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Re: PoC: Make it possible to disallow WHERE-less UPDATE and DELETE

Nico Williams <nico@cryptonector.com>

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From: Nico Williams <nico@cryptonector.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>, Pavel Stehule <pavel.stehule@gmail.com>, Bruce Momjian <bruce@momjian.us>, David Fetter <david@fetter.org>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2017-02-02T17:50:24Z
Lists: pgsql-hackers 
On Thu, Feb 02, 2017 at 12:14:10PM -0500, Tom Lane wrote:
> Also, somebody who wants a check like that isn't necessarily going to want
> "no WHERE clause" training wheels.  So you're going to need to think about
> facilities to enable or disable different checks.

WHERE-less-ness should be something that should be visible to a
statement trigger that could then reject the operation if desirable.

Nico
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