Re: Problem with pg_upgrade's directory write check on Windows

Robert Haas wrote:
> On Sat, Jul 23, 2011 at 9:14 AM, Bruce Momjian <bruce@momjian.us> wrote:
> > Andrew Dunstan wrote:
> >> > We do use access() in a few other places in our code, but not for
> >> > directory permission checks.
> >> >
> >> > Any ideas on a solution? ?Will checking stat() work? ?Do I have to try
> >> > creating a dummy file and delete it?
> >>
> >> That looks like the obvious solution - it's what came to my mind even
> >> before reading this sentence.
> >
> > Well, the easy fix is to see if ALL_DUMP_FILE
> > ("pg_upgrade_dump_all.sql") exists, and if so remove it, and if not,
> > create it and remove it.
> >
> > Should I fix this in pg_upgrade 9.1 for Windows or just in 9.2? ?The
> > check works fine on non-Windows.
> 
> Seems worth back-patching to me.

Attached patch applied and backpatched to 9.1.  I was able to test both
code paths on my BSD machine by modifying the ifdefs.  I will have
EnterpriseDB do further testing.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +