Re: Yet another failure mode in pg_upgrade - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Yet another failure mode in pg_upgrade
Date
Msg-id 20120903142337.GE24132@momjian.us
Whole thread Raw
In response to Re: Yet another failure mode in pg_upgrade  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Yet another failure mode in pg_upgrade
List pgsql-hackers
On Mon, Sep  3, 2012 at 10:07:43AM -0400, Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > Also, I don't see my doc addition on your patch;  was that intentional?
> 
> It's not necessary, no?  The code now gets socket directory right
> without help.

Well, the doc comment is:

+    If running check on an old pre-9.1 Unix-like running server, and the
+    old and new servers use different Unix-domain socket directories,
+    use the <option>-O</> option so the new server uses the same socket
+    directory as the old server, and set <envar>PGHOST</> similarly.

Remember, we can't get the socket directory for pre-9.1 servers.  When
you and I added that for 9.1, we did it for pg_ctl, which was needed by
pg_upgrade.  We were not aware we would eventually be using it for
pg_upgrade directly, but it is the logical progression of pg_ctl not
working cleanly for non-standard socket and port numbers.

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



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