Re: Review: Fix snapshot taking inconsistencies

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi>
Cc: Alvaro Herrera <alvherre@commandprompt.com>, Steve Singer <ssinger_pg@sympatico.ca>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-02-24T00:31:21Z
Lists: pgsql-hackers
Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi> writes:
> On 2011-02-24 12:39 AM, Tom Lane wrote:
>> My recollection is that this was pretty tightly coupled to the wCTE
>> patch.

> It was, but isn't anymore.  Now it's just a bugfix.

The connection is the question of where to do CommandCounterIncrement
between successive DML WITH operations in a single command.  Right
offhand, I don't see any CommandCounterIncrement in the wCTE patch,
so I'm sort of wondering whether the case works at all...

			regards, tom lane