Re: actualised funcs typmod patch
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Dimitri Fontaine <dfontaine@hi-media.com>, Alvaro Herrera <alvherre@commandprompt.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2009-11-17T18:54:08Z
Lists: pgsql-hackers
Pavel Stehule <pavel.stehule@gmail.com> writes: > 2009/11/17 Tom Lane <tgl@sss.pgh.pa.us>: >> There are other issues but these are the ones I think we'd need to >> resolve before not after putting in function typmods. It'd be >> extremely painful and non-backwards-compatible to change our minds >> later about function identity or coercion rules. > I am sure, so this patch cannot break any current code. My point is that if we release 8.5 with these semantics (which as far as I can tell were not designed, but just fell out of what made for the shortest patch) then we'll be stuck with them thereafter. regards, tom lane