Andres Freund and...@2ndquadrant.com 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
--On 4. November 2014 17:18:14 -0500 Tom Lane t...@sss.pgh.pa.us 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
