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Re: RE: RE: tourble migrating from linux/Apache/postgresql/perl to win2000/IIS/postgresql/perl

From: s0lao(at)netscape(dot)net (S(dot) L(dot))
To: rsharma(at)bigstep(dot)net
Cc: s0lao(at)netscape(dot)net, Jason(dot)Tishler(at)dothill(dot)com, pgsql-cygwin(at)postgresql(dot)org
Subject: Re: RE: RE: tourble migrating from linux/Apache/postgresql/perl to win2000/IIS/postgresql/perl
Date: 2001-06-12 05:29:19
Message-ID: 39D2B7AF.64514CA4.00013D13@netscape.net (view raw or flat)
Thread:
Lists: pgsql-cygwin
Rishi Sharma <rsharma(at)Bigstep(dot)net> wrote:
>
> SLao,
> 
> Let me try to clarify...the perl scripts try to load the Pg.pm module by
> stating "use Pg".  You say this should be a binary file?  I found a few
> copies of Pg.pm under .../perl/src or something like that, but it was ascii
> text, I didn't dig too deep in to what it was doing.
> 

Ok, then it's clear your scripts are using the Pg driver bundled with PostgreSQL. 

> 
> I've found this http://www.edmund-mergl.de/export/DBD-Pg.zip from
> symbolstone (http://dbi.symbolstone.org/cgi/moduledump?module=DBD::Pg)...
> hopefully it's all I need.
> 

From the point the above affirmation was made, any reference to DBI/DBD drivers becomes redundant. If your scripts use the Pg driver, migrating to DBI/DBD::Pg driver could be difficult, as they should be (quite some more than) batch changed.

> 
> If I install postgresql-7.1.2 from Jason and drop in the libpq.dll and
> Pg.dll in my winnt/system32 should I be able to access my database from cgi
> scripts with simply stating "use Pg"??
> 
> There seems to be something missing here...
> 

Maybe yet another comment :) You must not forget to place Pg.pm somewhere so that Perl is able to find it. I think the layout with libpq.dll and pg.dll in winnt/system32 is viable. But, anyway, for any eventual problems, here's what "make install" in "src/interfaces/perl" produces:

$ ls -lR /usr/local/lib/perl5/site_perl/5.6.0/cygwin/
total 9
-r--r--r--   1 lao      544         18124 Sep 27  1998 Pg.pm
drwxr-xr-x   3 lao      544             0 Jun 11 08:57 auto

/usr/local/lib/perl5/site_perl/5.6.0/cygwin/auto:
total 0
drwxr-xr-x   2 lao      544             0 Jun 11 08:57 Pg

/usr/local/lib/perl5/site_perl/5.6.0/cygwin/auto/Pg:
total 83
-r--r--r--   1 lao      544             0 Jun 11 08:57 Pg.bs
-r-xr-xr-x   1 lao      544         73728 Jun 11 08:57 Pg.dll
-r--r--r--   1 lao      544            81 Jun 11 08:57 autosplit.ix
-r--r--r--   1 lao      544         93106 Jun 11 08:57 libPg.a

I think that a link to winnt/system32/Pg.dll in /usr/local/lib/perl5/site_perl/5.6.0/cygwin/auto/Pg could solve any (eventual) Perl instalation issues.

Good luck!

                        SLao
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Subject: Re: tourble migrating from linux/Apache/postgresql/perl to win200 0/II S/postgresql/perl
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