added forum topic/post

db/migrate/20100221003655_create_forum_topics.rb

@@ -0,0 +1,22 @@
+class CreateForumTopics < ActiveRecord::Migration
+  def self.up
+    create_table :forum_topics do |t|
+      t.column :creator_id, :integer, :null => false
+      t.column :title, :string, :null => false
+      t.column :response_count, :integer, :null => false, :default => 0
+      t.column :is_sticky, :boolean, :null => false, :default => false
+      t.column :is_locked, :boolean, :null => false, :default => false
+      t.column :text_index, "tsvector", :null => false
+      t.timestamps
+    end
+    
+    add_index :forum_topics, :creator_id
+
+    execute "CREATE INDEX index_forum_topics_on_text_index ON forum_topics USING GIN (text_index)"
+    execute "CREATE TRIGGER trigger_forum_topics_on_update BEFORE INSERT OR UPDATE ON forum_topics FOR EACH ROW EXECUTE PROCEDURE tsvector_update_trigger('text_index', 'pg_catalog.english', 'title')"
+  end
+
+  def self.down
+    drop_table :forum_topics
+  end
+end

db/migrate/20100221005812_create_forum_posts.rb

@@ -0,0 +1,20 @@
+class CreateForumPosts < ActiveRecord::Migration
+  def self.up
+    create_table :forum_posts do |t|
+      t.column :topic_id, :integer, :null => false
+      t.column :creator_id, :integer, :null => false
+      t.column :body, :text, :null => false
+      t.column :text_index, "tsvector", :null => false
+      t.timestamps
+    end
+
+    add_index :forum_posts, :topic_id    
+    add_index :forum_posts, :creator_id
+    execute "CREATE INDEX index_forum_posts_on_text_index ON forum_posts USING GIN (text_index)"
+    execute "CREATE TRIGGER trigger_forum_posts_on_update BEFORE INSERT OR UPDATE ON forum_posts FOR EACH ROW EXECUTE PROCEDURE tsvector_update_trigger('text_index', 'pg_catalog.english', 'body')"
+  end
+
+  def self.down
+    drop_table :forum_posts
+  end
+end