* Reworked how post versioning works, now more closely resembles the 1.18 strategy

db/migrate/20100205163027_create_post_histories.rb

@@ -1,16 +0,0 @@
-class CreatePostHistories < ActiveRecord::Migration
-  def self.up
-    create_table :post_histories do |t|
-      t.timestamps
-      
-      t.column :post_id, :integer, :null => false
-      t.column :revisions, :text, :null => false
-    end
-    
-    add_index :post_histories, :post_id
-  end
-
-  def self.down
-    drop_table :post_histories
-  end
-end

db/migrate/20100205163027_create_post_versions.rb

@@ -0,0 +1,24 @@
+class CreatePostVersions < ActiveRecord::Migration
+  def self.up
+    create_table :post_versions do |t|
+      t.timestamps
+      
+      t.column :post_id, :integer, :null => false
+      t.column :add_tags, :text, :null => false, :default => ""
+      t.column :del_tags, :text, :null => false, :default => ""
+      t.column :rating, :char
+      t.column :parent_id, :integer
+      t.column :source, :text
+      t.column :updater_id, :integer, :null => false
+      t.column :updater_ip_addr, "inet", :null => false
+    end
+    
+    add_index :post_versions, :post_id
+    add_index :post_versions, :updater_id
+    add_index :post_versions, :updater_ip_addr
+  end
+
+  def self.down
+    drop_table :post_versions
+  end
+end