On Thu, Jul 4, 2013 at 1:17 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Quite aside from implementation difficulty, restricting the change to > just column aliases doesn't make it more palatable. You'd entirely lose > the argument that the change increases spec compliance, because the spec > is perfectly clear that a column alias is an identifier just like any > other. And you'd still be paying a large part of the application > breakage costs, because the identifiers coming back in query descriptors > are one of the main ways applications would notice such a change.
True, applications will notice and map only the identifiers coming back in query descriptor and in cases when the application reading these resultsets is case-sensitive for descriptors then breakage cost will be there. Hence was all this discussion to reduce the application breakage cost in particular cases. Regards...
