rafaelss

Steps to install and run PostgreSQL 9.2 using Homebrew (Mac OS X)
(if you aren't using version 9.1.5, change line 6 with the correct version)

1. pg_ctl -D /usr/local/var/postgres stop -s -m fast
2. mv /usr/local/var/postgres /usr/local/var/postgres91
3. curl https://raw.github.com/fragility/homebrew/737af01178590950749cf5e841f2d086c57c5a80/Library/Formula/postgresql.rb > /usr/local/Library/Formula/postgresql.rb
4. brew upgrade postgresql
5. initdb /usr/local/var/postgres -E utf8
6. pg_upgrade -b /usr/local/Cellar/postgresql/9.1.5/bin -B /usr/local/Cellar/postgresql/9.2.0/bin -d /usr/local/var/postgres91 -D /usr/local/var/postgres
7. pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start

matpowel

class Tableless < ActiveRecord::Base

  def self.column(name, sql_type = nil, default = nil, null = true)
    columns << ActiveRecord::ConnectionAdapters::Column.new( name.to_s, default, sql_type.to_s, null )
  end

  def self.columns()
    @columns ||= [];
  end