Re: Allowing multiple versions of PG under NetBSD

On 2016-07-29 15:14, Bruce Momjian wrote:
> On Fri, Jul 29, 2016 at 03:09:59PM -0500, Larry Rosenman wrote:
>> >>I might take a look at the NetBSD package (I'm a developer) to see how
>> >>hard it would be to allow multiple versions.  We do keep all the lib
>> >>stuff in a separate directory so that part would be relatively simple.
>> >>We just need to find all the binaries and make the names versioned and
>> >>add a symlink to the user selected primary version to the bare version
>> >>of the binary name.  Example:
>> >> - psql.8.3
>> >> - psql.9.1
>> >> - psql.9.3
>> >> - psql ==> psql.9.3
>> >>
>> >>Other than linking to the correct library can you think of any other
>> >>issues with this?
>> >
>> >Data Directory naming, as well as keeping the init-scripts straight.
>> >
>> And who gets 5432, and Unix socket naming, it starts to get messy.....
>
> Well, pg_upgrade uses a socket created in the current run directory, so
> that should be fine.
if we're talking JUST for pg_upgrade, that's one thing.  Peaceful
co-existence on an ongoing basis
is quite another.....
--
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler@lerctr.org
US Mail: 17716 Limpia Crk, Round Rock, TX 78664-7281