Re: about EDITOR_LINENUMBER_SWITCH

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От Bruce Momjian
Тема Re: about EDITOR_LINENUMBER_SWITCH
Дата
Msg-id 201110141953.p9EJrrk04216@momjian.us
обсуждение исходный текст
Ответ на Re: about EDITOR_LINENUMBER_SWITCH  (Alvaro Herrera <alvherre@commandprompt.com>)
Ответы Re: about EDITOR_LINENUMBER_SWITCH
Список pgsql-hackers
Alvaro Herrera wrote:
> 
> Excerpts from Robert Haas's message of vie oct 14 09:36:47 -0300 2011:
> > 
> > On Thu, Oct 13, 2011 at 11:31 AM, Bruce Momjian <bruce@momjian.us> wrote:
> > > Alvaro Herrera wrote:
> 
> > >> Oh, true, we have that, though it's not very usable because you have to
> > >> rename the file from .psqlrc-9.0.3 to .psqlrc-9.0.4 when you upgrade,
> > >> which is kinda silly.
> > >
> > > True.  We don't add configuration changes in minor versions so having
> > > minor-version granularity makes no sense.
> > >
> > > The attached patch changes this to use the _major_ version number for
> > > psql rc files.  Does this have to be backward-compatible?  Should I
> > > check for minor and major matches?  That is going to be confusing to
> > > document.
> > 
> > Checking for a minor match and then a major match seems sensible.
> 
> And backwards compatible too!  +1 to that.  An idea that you can
> describe in six words doesn't seem all that confusing.

Oops, I see a problem.  Right now, our first major release has no zero,
e.g. 9.2, while our minors have a third digit, 9.2.5.  The problem is
that with this patch it is confusing to have a psql config file that
matches 9.2.0, but not 9.2.5, because you can't write 9.2.0.  A file
called .psql-9.2 matches 9.2.0, but also matches 9.2.X if there is no
matching minor release file.  The bottom line is that with this patch,
.psql-9.2 is both a minor and possibly minor matcher.  I can't blame the
patch, but rather our version numbering system.

Prior to the patch 9.2 always meant just 9.2.0.  This patch adds an
additional confusion.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +


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