Re: Alpha releases: How to tag - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Alpha releases: How to tag
Date
Msg-id 200908081410.n78EAar18239@momjian.us
Whole thread Raw
In response to Re: Alpha releases: How to tag  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
Robert Haas wrote:
> On Aug 7, 2009, at 11:50 PM, Bruce Momjian <bruce@momjian.us> wrote:
> 
> > David Fetter wrote:
> >>> Odds are that the patch submitters will not understand enough to
> >>> know how to modify pg_migrator, but just knowing something broke is
> >>> usually enough for the hackers group to find a fix.
> >>
> >> This is a pretty serious drawback.  If we're going to require that
> >> people send migration scripts when they change the on-disk format,
> >> this needs to be easy.  The program, whatever it turns out to be,
> >> needs to take composable changes which people would submit along with
> >> their patch, just as they do docs.
> >>
> >> How much refactoring of pg_migrator would such a change take?  Would
> >> it be worthwhile to do that, or just start a different project?
> >
> > I have no idea what you are thinking. pg_migrator is in C just like  
> > the
> > backend code.  Do you want some plugin module to do migrations?  I  
> > have
> > neither the time or desire to implement that.
> 
> It seems that it would also negate one of the major benefits of  
> pg_migrator, which is that it doesn't require you to rewrite all of  
> your data.

I don't understand how this relates to rewriting data.  David was asking
if we should require patch submitters to update pg_migrator.  If they
can do that, great, but if not, we can figure out an approach for them.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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