remove mpixel search, remove some unused indexes on posts

db/structure.sql

@@ -3,6 +3,7 @@
 --
 
 SET statement_timeout = 0;
+SET lock_timeout = 0;
 SET client_encoding = 'UTF8';
 SET standard_conforming_strings = on;
 SET check_function_bodies = false;
@@ -421,8 +422,8 @@ CREATE TABLE advertisement_hits (
     id integer NOT NULL,
     advertisement_id integer NOT NULL,
     ip_addr inet NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -459,8 +460,8 @@ CREATE TABLE advertisements (
     height integer NOT NULL,
     file_name character varying(255) NOT NULL,
     is_work_safe boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -490,8 +491,8 @@ ALTER SEQUENCE advertisements_id_seq OWNED BY advertisements.id;
 CREATE TABLE amazon_backups (
     id integer NOT NULL,
     last_id integer,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -557,8 +558,8 @@ CREATE TABLE artist_commentaries (
     original_description text,
     translated_title text,
     translated_description text,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -594,8 +595,8 @@ CREATE TABLE artist_commentary_versions (
     original_description text,
     translated_title text,
     translated_description text,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -627,8 +628,8 @@ CREATE TABLE artist_urls (
     artist_id integer NOT NULL,
     url text NOT NULL,
     normalized_url text NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -666,8 +667,9 @@ CREATE TABLE artist_versions (
     group_name character varying(255),
     url_string text,
     is_banned boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
+    normalized_url_string text
 );
 
 
@@ -703,8 +705,8 @@ CREATE TABLE artists (
     other_names text,
     other_names_index tsvector,
     group_name character varying(255),
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -737,8 +739,8 @@ CREATE TABLE bans (
     reason text NOT NULL,
     banner_id integer NOT NULL,
     expires_at timestamp without time zone NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -804,8 +806,8 @@ CREATE TABLE comment_votes (
     comment_id integer NOT NULL,
     user_id integer NOT NULL,
     score integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -840,8 +842,8 @@ CREATE TABLE comments (
     ip_addr inet NOT NULL,
     body_index tsvector NOT NULL,
     score integer DEFAULT 0 NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     updater_id integer,
     updater_ip_addr inet,
     do_not_bump_post boolean DEFAULT false NOT NULL
@@ -881,8 +883,8 @@ CREATE TABLE delayed_jobs (
     locked_at timestamp without time zone,
     failed_at timestamp without time zone,
     locked_by character varying(255),
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     queue character varying(255)
 );
 
@@ -952,8 +954,8 @@ CREATE TABLE dmails (
     message_index tsvector NOT NULL,
     is_read boolean DEFAULT false NOT NULL,
     is_deleted boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     creator_ip_addr inet DEFAULT '127.0.0.1'::inet NOT NULL
 );
 
@@ -2019,8 +2021,8 @@ CREATE TABLE forum_posts (
     body text NOT NULL,
     text_index tsvector NOT NULL,
     is_deleted boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2122,8 +2124,8 @@ CREATE TABLE forum_topics (
     is_locked boolean DEFAULT false NOT NULL,
     is_deleted boolean DEFAULT false NOT NULL,
     text_index tsvector NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     category_id integer DEFAULT 0 NOT NULL
 );
 
@@ -2156,8 +2158,8 @@ CREATE TABLE ip_bans (
     creator_id integer NOT NULL,
     ip_addr inet NOT NULL,
     reason text NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2189,8 +2191,8 @@ CREATE TABLE janitor_trials (
     creator_id integer NOT NULL,
     user_id integer NOT NULL,
     original_level integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2221,8 +2223,8 @@ CREATE TABLE key_values (
     id integer NOT NULL,
     key character varying(255) NOT NULL,
     value text,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2253,8 +2255,8 @@ CREATE TABLE mod_actions (
     id integer NOT NULL,
     creator_id integer NOT NULL,
     description text NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2286,8 +2288,8 @@ CREATE TABLE news_updates (
     message text NOT NULL,
     creator_id integer NOT NULL,
     updater_id integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2326,8 +2328,8 @@ CREATE TABLE note_versions (
     height integer NOT NULL,
     is_active boolean DEFAULT true NOT NULL,
     body text NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     version integer DEFAULT 0 NOT NULL
 );
 
@@ -2366,8 +2368,8 @@ CREATE TABLE notes (
     is_active boolean DEFAULT true NOT NULL,
     body text NOT NULL,
     body_index tsvector NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     version integer DEFAULT 0 NOT NULL
 );
 
@@ -2432,8 +2434,8 @@ CREATE TABLE pool_versions (
     post_ids text DEFAULT ''::text NOT NULL,
     updater_id integer NOT NULL,
     updater_ip_addr inet NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     name character varying(255)
 );
 
@@ -2470,8 +2472,8 @@ CREATE TABLE pools (
     post_ids text DEFAULT ''::text NOT NULL,
     post_count integer DEFAULT 0 NOT NULL,
     is_deleted boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     category character varying(255) DEFAULT 'series'::character varying NOT NULL
 );
 
@@ -2505,8 +2507,8 @@ CREATE TABLE post_appeals (
     creator_id integer NOT NULL,
     creator_ip_addr integer NOT NULL,
     reason text,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2537,8 +2539,8 @@ CREATE TABLE post_disapprovals (
     id integer NOT NULL,
     user_id integer NOT NULL,
     post_id integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2572,8 +2574,8 @@ CREATE TABLE post_flags (
     creator_ip_addr inet NOT NULL,
     reason text,
     is_resolved boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2602,8 +2604,8 @@ ALTER SEQUENCE post_flags_id_seq OWNED BY post_flags.id;
 
 CREATE TABLE post_versions (
     id integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     post_id integer NOT NULL,
     tags text DEFAULT ''::text NOT NULL,
     rating character(1),
@@ -2642,8 +2644,8 @@ CREATE TABLE post_votes (
     post_id integer NOT NULL,
     user_id integer NOT NULL,
     score integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2672,8 +2674,8 @@ ALTER SEQUENCE post_votes_id_seq OWNED BY post_votes.id;
 
 CREATE TABLE posts (
     id integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     up_score integer DEFAULT 0 NOT NULL,
     down_score integer DEFAULT 0 NOT NULL,
     score integer DEFAULT 0 NOT NULL,
@@ -2788,8 +2790,8 @@ CREATE TABLE tag_aliases (
     creator_ip_addr inet NOT NULL,
     forum_topic_id integer,
     status text DEFAULT 'pending'::text NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2825,8 +2827,8 @@ CREATE TABLE tag_implications (
     creator_ip_addr inet NOT NULL,
     forum_topic_id integer,
     status text DEFAULT 'pending'::text NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2862,8 +2864,8 @@ CREATE TABLE tag_subscriptions (
     is_public boolean DEFAULT true NOT NULL,
     last_accessed_at timestamp without time zone,
     is_opted_in boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2897,8 +2899,8 @@ CREATE TABLE tags (
     category integer DEFAULT 0 NOT NULL,
     related_tags text,
     related_tags_updated_at timestamp without time zone,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     is_locked boolean DEFAULT false NOT NULL
 );
 
@@ -2931,8 +2933,8 @@ CREATE TABLE transaction_log_items (
     category character varying(255),
     user_id integer,
     data text,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -2972,8 +2974,8 @@ CREATE TABLE uploads (
     backtrace text,
     post_id integer,
     md5_confirmation character varying(255),
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     server text,
     parent_id integer
 );
@@ -3008,8 +3010,8 @@ CREATE TABLE user_feedback (
     creator_id integer NOT NULL,
     category character varying(255) NOT NULL,
     body text NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -3045,8 +3047,8 @@ CREATE TABLE user_name_change_requests (
     desired_name character varying(255),
     change_reason text,
     rejection_reason text,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -3077,8 +3079,8 @@ CREATE TABLE user_password_reset_nonces (
     id integer NOT NULL,
     key character varying(255) NOT NULL,
     email character varying(255) NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone
 );
 
 
@@ -3107,8 +3109,8 @@ ALTER SEQUENCE user_password_reset_nonces_id_seq OWNED BY user_password_reset_no
 
 CREATE TABLE users (
     id integer NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     name character varying(255) NOT NULL,
     password_hash character varying(255) NOT NULL,
     email character varying(255),
@@ -3166,8 +3168,8 @@ CREATE TABLE wiki_page_versions (
     title character varying(255) NOT NULL,
     body text NOT NULL,
     is_locked boolean NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     other_names text
 );
 
@@ -3202,8 +3204,8 @@ CREATE TABLE wiki_pages (
     body text NOT NULL,
     body_index tsvector NOT NULL,
     is_locked boolean DEFAULT false NOT NULL,
-    created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL,
+    created_at timestamp without time zone,
+    updated_at timestamp without time zone,
     updater_id integer,
     other_names text,
     other_names_index tsvector
@@ -6660,13 +6662,6 @@ CREATE INDEX index_posts_on_last_noted_at ON posts USING btree (last_noted_at);
 CREATE UNIQUE INDEX index_posts_on_md5 ON posts USING btree (md5);
 
 
---
--- Name: index_posts_on_mpixels; Type: INDEX; Schema: public; Owner: -; Tablespace: 
---
-
-CREATE INDEX index_posts_on_mpixels ON posts USING btree (((((image_width * image_height))::numeric / 1000000.0)));
-
-
 --
 -- Name: index_posts_on_parent_id; Type: INDEX; Schema: public; Owner: -; Tablespace: 
 --
@@ -6681,13 +6676,6 @@ CREATE INDEX index_posts_on_parent_id ON posts USING btree (parent_id);
 CREATE INDEX index_posts_on_pixiv_id ON posts USING btree (pixiv_id) WHERE (pixiv_id IS NOT NULL);
 
 
---
--- Name: index_posts_on_source; Type: INDEX; Schema: public; Owner: -; Tablespace: 
---
-
-CREATE INDEX index_posts_on_source ON posts USING btree (lower((source)::text));
-
-
 --
 -- Name: index_posts_on_source_pattern; Type: INDEX; Schema: public; Owner: -; Tablespace: 
 --
@@ -6709,13 +6697,6 @@ CREATE INDEX index_posts_on_tags_index ON posts USING gin (tag_index);
 CREATE INDEX index_posts_on_uploader_id ON posts USING btree (uploader_id);
 
 
---
--- Name: index_posts_on_uploader_ip_addr; Type: INDEX; Schema: public; Owner: -; Tablespace: 
---
-
-CREATE INDEX index_posts_on_uploader_ip_addr ON posts USING btree (uploader_ip_addr);
-
-
 --
 -- Name: index_saved_searches_on_category; Type: INDEX; Schema: public; Owner: -; Tablespace: 
 --
@@ -7174,3 +7155,7 @@ INSERT INTO schema_migrations (version) VALUES ('20141017231608');
 
 INSERT INTO schema_migrations (version) VALUES ('20141120045943');
 
+INSERT INTO schema_migrations (version) VALUES ('20141203230229');
+
+INSERT INTO schema_migrations (version) VALUES ('20150116013315');
+