On Wed, 2009-11-11 at 12:35 +0200, Heikki Linnakangas wrote:
> While reading through the patch for what must be the 100th time by now,
:-)
> it occurred to me that this comment in heap_xlog_freeze:
>
> + /*
> + * Freezing tuples does not require conflict processing
> + */
>
> is plain wrong. In the master, we can freeze the xmin of a tuple that's
> not yet visible to all read-only transactions in the standby. We do need
> conflict processing there.
I agree. Hmph, I wonder why I thought otherwise?
-- Simon Riggs www.2ndQuadrant.com