Re: Proposal: allow installation of any contrib module

> Why is ltree still in contrib? What prevents it from being in core?
Nothing. But I don't see any advantage of placing it in core - it changes 
nothing in SQL, API or feature. Moving tsearch2 into core allows to manage 
configuration with nice SQL API, using SysCache, automatical rereading 
dictionaries files etc.

IMHO, common problem for hstore/ltree/tsearch2 is a problem with public 
namespace is dump/restore. Users usually dump the whole db and restore it in new 
version. Even we make new version of contrib module with the same function, new 
function/feature will not be accessible.

-- 
Teodor Sigaev                                   E-mail: teodor@sigaev.ru
  WWW: http://www.sigaev.ru/