Horton

Re: Review: Fix snapshot taking inconsistencies

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

View thread
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi>
Cc: Steve Singer <ssinger_pg@sympatico.ca>, pgsql-hackers@postgresql.org, Alvaro Herrera <alvherre@commandprompt.com>
Date: 2011-02-28T19:03:43Z
Lists: pgsql-hackers 
Marko Tiikkaja <marko.tiikkaja@cs.helsinki.fi> writes:
> On 2011-02-28 8:22 PM, Tom Lane wrote:
>> So: exactly what is the intended behavioral change as of now, and what
>> is the argument supporting that change?

> The only intended change is what I was wondering in the original post: 
> snapshot handling between normal execution and EXPLAIN ANALYZE when a 
> query expands to multiple trees because of rewrite rules.  Like I said 
> earlier, this is just a bugfix now that wCTEs don't need it anymore.

OK, and which behavior is getting changed, to what?  I am not interested
in trying to reverse-engineer a specification from the patch.

			regards, tom lane