Horton

Re: using index or check in ALTER TABLE SET NOT NULL

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Sergei Kornilov <sk@zsrv.org>
Cc: David Rowley <david.rowley@2ndquadrant.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>, Alvaro Herrera <alvherre@alvh.no-ip.org>, Stephen Frost <sfrost@snowman.net>, Ildar Musin <i.musin@postgrespro.ru>, Tom Lane <tgl@sss.pgh.pa.us>
Date: 2019-03-13T12:57:38Z
Lists: pgsql-hackers 
On Tue, Mar 12, 2019 at 4:27 PM Sergei Kornilov <sk@zsrv.org> wrote:
> Agreed, in attached new version ...

Committed with a little more nitpicking.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. Avoid using INFO elevel for what are fundamentally debug messages.

  2. Revert setting client_min_messages to 'debug1' in new tests.

  3. Allow ALTER TABLE .. SET NOT NULL to skip provably unnecessary scans.

  4. Improve predtest.c's internal docs, and enhance its functionality a bit.