Re: actualised funcs typmod patch
Pavel Stehule <pavel.stehule@gmail.com>
From: Pavel Stehule <pavel.stehule@gmail.com>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Alvaro Herrera <alvherre@commandprompt.com>, Dimitri Fontaine <dfontaine@hi-media.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2009-11-17T20:20:33Z
Lists: pgsql-hackers
2009/11/17 Kevin Grittner <Kevin.Grittner@wicourts.gov>: > Pavel Stehule <pavel.stehule@gmail.com> wrote: > >> sorry, it's problem in my english > > In hopes that it may help overcome the language barrier if someone > restates the issue in different words, I'll echo Tom's concerns, which > I share. > >> This cannot change an behave of older applications. > > Agreed. That's not the problem. > >> if somebody use explicit typmod in CREATE FUNCTION statement, then >> he get different behave. But he have to do it explicitly in 8.5. > > The problem here is that we are then committed to supporting that > behavior forever. There are many different options for what behavior > could and should be supported for this syntax, and we don't want to > get locked in to one of those options by happenstance. We want the > options to be discussed by the community prior to getting locked in to > something. It would be unusual for one individual to pick a direction > for something like this and to come up with a decision which is as > good, in the long run, as consensus coming out of the synergy of group > discussion could generate. I understand it well and I invite any discussion about this topic (additing typmod to function's interface). So please, check it, test it, write notes. Pavel > > -Kevin >