Re: pgsql: Make pg_tablespace_location(0) return the database's default tab

On Wed, Apr 11, 2012 at 01:43:28AM +0000, Tom Lane wrote:
> Make pg_tablespace_location(0) return the database's default tablespace.
>
> This definition is convenient when applying the function to the
> reltablespace column of pg_class, since that's what zero means there;
> and it doesn't interfere with any other plausible use of the function.
> Per gripe from Bruce Momjian.

It would be nice to remove the special-case handling of 0 in pg_upgrade,
but because it has to deal with pre-9.2 cluster, it has to remain anyway.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +