Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> On Fri, 2010-07-09 at 13:21 -0400, Tom Lane wrote:
>> Except that it *is* a change in behavior: the first check will occur
>> too soon.
> Sooner matters why?
Consider PREPARE followed only later by EXECUTE. Your proposal would
make the PREPARE fail outright, when it currently does not.
regards, tom lane