Date: Wed, 2 Jul 2014 19:23:32 -0400
From: Bruce Momjian <bruce@momjian.us>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Andres Freund <andres@2ndquadrant.com>,
 PostgreSQL Bugs <pgsql-bugs@postgresql.org>
Subject: Re: pg_upgrade < 9.3 -> >=9.3 misses a step around
 multixacts
Message-ID: <20140702232332.GC20463@momjian.us>
References: <20140619014034.GC3806@momjian.us>
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 <20140620180725.GD29143@momjian.us>
 <20140624201346.GB17110@momjian.us>
 <20140627210520.GP7340@eldon.alvh.no-ip.org>
 <20140701161419.GA16033@momjian.us>
 <20140701190105.GA7340@eldon.alvh.no-ip.org>
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On Wed, Jul  2, 2014 at 03:32:55PM -0400, Bruce Momjian wrote:
> The second will tell them if they should go to a wiki page that will
> show them how to set database and relation minmxid values:
> 
> 	WITH list(file) AS 
> 	(
> 		SELECT * FROM pg_ls_dir('pg_multixact/offsets')
> 	)
> 	SELECT 	EXISTS (SELECT * FROM list WHERE file ~ '^[8-9A-F]') AND
> 		EXISTS (SELECT * FROM pg_database WHERE datminmxid = 1) 
> 		AS update_database_and_relation_minmxid;
> 
> I will work on the wiki page now.
> 
> I think this issue is now ready for 9.3.X, once we write the wiki page
> and release note text.

I have completed the wiki page for the second bug fix:

	https://wiki.postgresql.org/wiki/20140702pg_upgrade_fix

The first bug fix just requires removal of the '0000' file, and I think
can be fully explained in the release notes.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +


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