From ac26b964663405521077c7710212a58c37a041c7 Mon Sep 17 00:00:00 2001 From: thomascube <thomas@roundcube.net> Date: Tue, 25 Mar 2008 15:08:19 -0400 Subject: [PATCH] Optimize database schema; get rid of unnecessary indexes --- SQL/postgres.initial.sql | 215 ++++++++++++++++++++--------------------------------- 1 files changed, 80 insertions(+), 135 deletions(-) diff --git a/SQL/postgres.initial.sql b/SQL/postgres.initial.sql old mode 100755 new mode 100644 index 554614e..e8513af --- a/SQL/postgres.initial.sql +++ b/SQL/postgres.initial.sql @@ -1,27 +1,45 @@ - -- --- Sequence "cache_ids" --- Name: cache_ids; Type: SEQUENCE; Schema: public; Owner: postgres +-- Sequence "user_ids" +-- Name: user_ids; Type: SEQUENCE; Schema: public; Owner: postgres -- -CREATE SEQUENCE cache_ids +CREATE SEQUENCE user_ids INCREMENT BY 1 NO MAXVALUE NO MINVALUE CACHE 1; - -- --- Sequence "contact_ids" --- Name: contact_ids; Type: SEQUENCE; Schema: public; Owner: postgres +-- Table "users" +-- Name: users; Type: TABLE; Schema: public; Owner: postgres -- -CREATE SEQUENCE contact_ids - START WITH 1 - INCREMENT BY 1 - NO MAXVALUE - NO MINVALUE - CACHE 1; +CREATE TABLE users ( + user_id integer DEFAULT nextval('user_ids'::text) PRIMARY KEY, + username character varying(128) DEFAULT ''::character varying NOT NULL, + mail_host character varying(128) DEFAULT ''::character varying NOT NULL, + alias character varying(128) DEFAULT ''::character varying NOT NULL, + created timestamp with time zone DEFAULT now() NOT NULL, + last_login timestamp with time zone DEFAULT now() NOT NULL, + "language" character varying(5) DEFAULT 'en'::character varying NOT NULL, + preferences text DEFAULT ''::text NOT NULL +); + + + +-- +-- Table "session" +-- Name: session; Type: TABLE; Schema: public; Owner: postgres +-- + +CREATE TABLE "session" ( + sess_id character varying(40) DEFAULT ''::character varying PRIMARY KEY, + created timestamp with time zone DEFAULT now() NOT NULL, + changed timestamp with time zone DEFAULT now() NOT NULL, + ip character varying(41) NOT NULL, + vars text NOT NULL +); + -- @@ -36,73 +54,14 @@ NO MINVALUE CACHE 1; - --- --- Sequence "user_ids" --- Name: user_ids; Type: SEQUENCE; Schema: public; Owner: postgres --- - -CREATE SEQUENCE user_ids - INCREMENT BY 1 - NO MAXVALUE - NO MINVALUE - CACHE 1; - - --- --- Sequence "message_ids" --- Name: message_ids; Type: SEQUENCE; Schema: public; Owner: postgres --- - -CREATE SEQUENCE message_ids - INCREMENT BY 1 - NO MAXVALUE - NO MINVALUE - CACHE 1; - - - --- --- Table "users" --- Name: users; Type: TABLE; Schema: public; Owner: postgres --- - -CREATE TABLE users ( - user_id integer DEFAULT nextval('user_ids'::text) NOT NULL, - username character varying(128) DEFAULT ''::character varying NOT NULL, - mail_host character varying(128) DEFAULT ''::character varying NOT NULL, - alias character varying(128) DEFAULT ''::character varying NOT NULL, - created timestamp with time zone DEFAULT now() NOT NULL, - last_login timestamp with time zone DEFAULT now() NOT NULL, - "language" character varying(5) DEFAULT 'en'::character varying NOT NULL, - preferences text DEFAULT ''::text NOT NULL -); - - - --- --- Table "session" --- Name: session; Type: TABLE; Schema: public; Owner: postgres --- - -CREATE TABLE "session" ( - sess_id character varying(40) DEFAULT ''::character varying NOT NULL, - created timestamp with time zone DEFAULT now() NOT NULL, - changed timestamp with time zone DEFAULT now() NOT NULL, - ip character varying(16) NOT NULL, - vars text NOT NULL -); - - - -- -- Table "identities" -- Name: identities; Type: TABLE; Schema: public; Owner: postgres -- CREATE TABLE identities ( - identity_id integer DEFAULT nextval('identity_ids'::text) NOT NULL, - user_id integer DEFAULT 0 NOT NULL, + identity_id integer DEFAULT nextval('identity_ids'::text) PRIMARY KEY, + user_id integer NOT NULL REFERENCES users (user_id), del integer DEFAULT 0 NOT NULL, standard integer DEFAULT 0 NOT NULL, name character varying(128) NOT NULL, @@ -110,9 +69,23 @@ email character varying(128) NOT NULL, "reply-to" character varying(128), bcc character varying(128), - signature text + signature text, + html_signature integer DEFAULT 0 NOT NULL ); + + +-- +-- Sequence "contact_ids" +-- Name: contact_ids; Type: SEQUENCE; Schema: public; Owner: postgres +-- + +CREATE SEQUENCE contact_ids + START WITH 1 + INCREMENT BY 1 + NO MAXVALUE + NO MINVALUE + CACHE 1; -- -- Table "contacts" @@ -120,8 +93,8 @@ -- CREATE TABLE contacts ( - contact_id integer DEFAULT nextval('contact_ids'::text) NOT NULL, - user_id integer DEFAULT 0 NOT NULL, + contact_id integer DEFAULT nextval('contact_ids'::text) PRIMARY KEY, + user_id integer NOT NULL REFERENCES users (user_id), changed timestamp with time zone DEFAULT now() NOT NULL, del integer DEFAULT 0 NOT NULL, name character varying(128) DEFAULT ''::character varying NOT NULL, @@ -134,20 +107,42 @@ -- +-- Sequence "cache_ids" +-- Name: cache_ids; Type: SEQUENCE; Schema: public; Owner: postgres +-- + +CREATE SEQUENCE cache_ids + INCREMENT BY 1 + NO MAXVALUE + NO MINVALUE + CACHE 1; + +-- -- Table "cache" -- Name: cache; Type: TABLE; Schema: public; Owner: postgres -- CREATE TABLE "cache" ( - cache_id integer DEFAULT nextval('cache_ids'::text) NOT NULL, - user_id integer DEFAULT 0 NOT NULL, - session_id character varying(40), + cache_id integer DEFAULT nextval('cache_ids'::text) PRIMARY KEY, + user_id integer NOT NULL REFERENCES users (user_id), + session_id character varying(40) REFERENCES "session" (sess_id), cache_key character varying(128) DEFAULT ''::character varying NOT NULL, created timestamp with time zone DEFAULT now() NOT NULL, data text NOT NULL ); +ALTER TABLE "cache" ADD INDEX (user_id, cache_key); +-- +-- Sequence "message_ids" +-- Name: message_ids; Type: SEQUENCE; Schema: public; Owner: postgres +-- + +CREATE SEQUENCE message_ids + INCREMENT BY 1 + NO MAXVALUE + NO MINVALUE + CACHE 1; -- -- Table "messages" @@ -155,10 +150,11 @@ -- CREATE TABLE "messages" ( - message_id integer DEFAULT nextval('message_ids'::text) NOT NULL, - user_id integer DEFAULT 0 NOT NULL, + message_id integer DEFAULT nextval('message_ids'::text) PRIMARY KEY, + user_id integer NOT NULL REFERENCES users (user_id), del integer DEFAULT 0 NOT NULL, cache_key character varying(128) DEFAULT ''::character varying NOT NULL, + created timestamp with time zone DEFAULT now() NOT NULL, idx integer DEFAULT 0 NOT NULL, uid integer DEFAULT 0 NOT NULL, subject character varying(128) DEFAULT ''::character varying NOT NULL, @@ -168,58 +164,7 @@ date timestamp with time zone NOT NULL, size integer DEFAULT 0 NOT NULL, headers text NOT NULL, - body text + structure text ); - - --- --- Add primary keys --- - -ALTER TABLE ONLY "cache" - ADD CONSTRAINT cache_pkey PRIMARY KEY (cache_id); - - -ALTER TABLE ONLY "contacts" - ADD CONSTRAINT contacts_pkey PRIMARY KEY (contact_id); - - -ALTER TABLE ONLY identities - ADD CONSTRAINT identities_pkey PRIMARY KEY (identity_id); - - -ALTER TABLE ONLY "session" - ADD CONSTRAINT session_pkey PRIMARY KEY (sess_id); - - -ALTER TABLE ONLY "users" - ADD CONSTRAINT users_pkey PRIMARY KEY (user_id); - - -ALTER TABLE ONLY "messages" - ADD CONSTRAINT messages_pkey PRIMARY KEY (message_id); - - --- --- Reference keys --- - -ALTER TABLE ONLY "cache" - ADD CONSTRAINT "$1" FOREIGN KEY (user_id) REFERENCES users(user_id); - -ALTER TABLE ONLY "cache" - ADD CONSTRAINT "$2" FOREIGN KEY (session_id) REFERENCES "session"(sess_id); - - -ALTER TABLE ONLY "contacts" - ADD CONSTRAINT "$1" FOREIGN KEY (user_id) REFERENCES users(user_id); - - -ALTER TABLE ONLY "identities" - ADD CONSTRAINT "$1" FOREIGN KEY (user_id) REFERENCES users(user_id); - - -ALTER TABLE ONLY "messages" - ADD CONSTRAINT "$1" FOREIGN KEY (user_id) REFERENCES users(user_id); - +ALTER TABLE "messages" ADD UNIQUE (user_id, cache_key, uid); -- Gitblit v1.9.1