added wiki page

db/migrate/20100215213756_create_wiki_page_versions.rb

@@ -0,0 +1,19 @@
+class CreateWikiPageVersions < ActiveRecord::Migration
+  def self.up
+    create_table :wiki_page_versions do |t|
+      t.column :wiki_page_id, :integer, :null => false
+      t.column :updater_id, :integer, :null => false
+      t.column :updater_ip_addr, "inet", :null => false
+      t.column :title, :string, :null => false
+      t.column :body, :text, :null => false
+      t.column :is_locked, :boolean, :null => false
+      t.timestamps
+    end
+    
+    add_index :wiki_page_versions, :wiki_page_id
+  end
+
+  def self.down
+    drop_table :wiki_page_versions
+  end
+end