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Re: SSI predicate locking on heap -- tuple or row?

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>
Cc: drkp(at)csail(dot)mit(dot)edu, pgsql-hackers(at)postgresql(dot)org
Subject: Re: SSI predicate locking on heap -- tuple or row?
Date: 2011-06-03 10:04:24
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On 03.06.2011 00:14, Kevin Grittner wrote:
> Attached is a comments-only patch for this, along with one
> correction to  the comments you added and a couple other typos.

Ok, committed.

> I'll submit a patch for the README-SSI file once I find a reference
> I like to a paper describing what Dan's proof uses as a premise --
> that the transaction on the rw-conflict *out* side of the pivot must
> not only be the first of the three transactions in the dangerous
> structure to commit, but the first in the entire cycle of which the
> dangerous structure is a part.  With that premise as a given, the
> proof is short, clear, and unassailable; but I think we need a cite
> to use that argument convincingly.


   Heikki Linnakangas

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