added indexes

db/migrate/20100204214746_create_posts.rb

@@ -67,7 +67,8 @@ class CreatePosts < ActiveRecord::Migration
     add_index :posts, :parent_id
     add_index :posts, :uploader_id
     add_index :posts, :uploader_ip_addr
-    
+
+    execute "create index index_posts_on_source_pattern on posts (source text_pattern_ops)"
     execute "create index index_posts_on_created_at_date on posts (date(created_at))"
     execute "CREATE INDEX index_posts_on_mpixels ON posts (((image_width * image_height)::numeric / 1000000.0))"
 

db/migrate/20100205162521_create_tags.rb

@@ -10,6 +10,7 @@ class CreateTags < ActiveRecord::Migration
     end
     
     add_index :tags, :name, :unique => true
+    execute "create index index_tags_on_name_pattern on tags (name text_pattern_ops)"
   end
 
   def self.down

db/migrate/20100214080605_create_artist_urls.rb

@@ -10,6 +10,9 @@ class CreateArtistUrls < ActiveRecord::Migration
     add_index :artist_urls, :artist_id
     add_index :artist_urls, :normalized_url
     add_index :artist_urls, :url
+    
+    execute "create index index_artist_urls_on_url_pattern on artist_urls (url text_pattern_ops)"
+    execute "create index index_artist_urls_on_normalized_url_pattern on artist_urls (normalized_url text_pattern_ops)"
   end
 
   def self.down

db/migrate/20100215182234_create_wiki_pages.rb

@@ -12,6 +12,7 @@ class CreateWikiPages < ActiveRecord::Migration
     add_index :wiki_pages, :title, :unique => true
     execute "CREATE INDEX index_wiki_pages_on_body_index_index ON wiki_pages USING GIN (body_index)"
     execute "CREATE TRIGGER trigger_wiki_pages_on_update BEFORE INSERT OR UPDATE ON wiki_pages FOR EACH ROW EXECUTE PROCEDURE tsvector_update_trigger('body_index', 'public.danbooru', 'body', 'title')"
+    execute "create index index_wiki_pages_on_title_pattern on wiki_pages (title text_pattern_ops)"
   end
 
   def self.down