Re: Win32 link() function

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Win32 link() function
Date: 2009-06-01 14:34:48
Message-ID: 200906011434.n51EYmf02870@momjian.us
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Bruce Momjian wrote:
> Tom Lane wrote:
> > Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > > pg_migrator needs hard link() capabiity on Win32 to support its --link
> > > option. Can someone create that and hopefully add it to libpgport?
> >
> > AFAIK hard links simply don't exist on Windows.
>
> Magnus showed me this:
>
> http://msdn.microsoft.com/en-us/library/aa363860(VS.85).aspx
>
> BOOL WINAPI CreateHardLink(
> __in LPCTSTR lpFileName,
> __in LPCTSTR lpExistingFileName,
> __reserved LPSECURITY_ATTRIBUTES lpSecurityAttributes
> );

Hiroshi Saito emailed me some sample link code I was able to use for
Win32 hard links and I have committed that to pg_migrator CVS.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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