--On 4. November 2014 17:18:14 -0500 Tom Lane wrote:
Yeah, and I think that it's entirely reasonable for rewriting ALTER TABLEs
to update the xmin of the rewritten tuples; after all, the output data
could be arbitrarily different from what the previous transactions put
into the table. But th
Andres Freund writes:
> On 2014-11-04 13:51:23 -0500, Tom Lane wrote:
>> Not sure. The OP's point is that in a SELECT, you do get unsurprising
>> results, because a SELECT will acquire its execution snapshot after it's
>> gotten AccessShareLock on the table. Arguably COPY should behave likewise.
On 2014-11-04 13:51:23 -0500, Tom Lane wrote:
> Bernd Helmle writes:
> > --On 3. November 2014 18:15:04 +0100 Sven Wegener
> > wrote:
> >> I've check git master and 9.x and all show the same behaviour. I came up
> >> with the patch below, which is against curent git master. The patch
> >> modifi
