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From: Tom Lane <tgl@sss.pgh.pa.us>
To: "David G. Johnston" <david.g.johnston@gmail.com>
cc: Francisco Olarte <folarte@peoplecall.com>,
        PostgreSQL Bug List <pgsql-bugs@lists.postgresql.org>
Subject: Re: LibPQ doesn't say host=* translates to localhost
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"David G. Johnston" <david.g.johnston@gmail.com> writes:
> Good catch.

> ping '*'
> ping: *: Name or service not known

> This is Ubuntu.

Yeah, I see the same on a couple different Red Hat versions.  Very
interesting, since it implies that ping is using something other than
getaddrinfo(3) to resolve the hostname.  I'm not quite interested
enough to go find out what, though.

			regards, tom lane