Optimize database schema; get rid of unnecessary indexes

SQL/mysql.initial.sql

@@ -1,5 +1,5 @@
 -- RoundCube Webmail initial database structure
--- Version 0.1-rc1
+-- Version 0.1
 -- 
 
 -- --------------------------------------------------------
@@ -16,9 +16,7 @@ CREATE TABLE `cache` (
   `created` datetime NOT NULL default '0000-00-00 00:00:00',
   `data` longtext NOT NULL,
   PRIMARY KEY  (`cache_id`),
-  KEY `user_id` (`user_id`),
+  INDEX `user_cache_index` (`user_id`,`cache_key`)
-  KEY `cache_key` (`cache_key`),
-  KEY `session_id` (`session_id`)
 );
 
 -- --------------------------------------------------------
@@ -118,10 +116,7 @@ CREATE TABLE `messages` (
   `size` int(11) unsigned NOT NULL default '0',
   `headers` text NOT NULL,
   `structure` text,
-  PRIMARY KEY  (`message_id`),
+  PRIMARY KEY (`message_id`),
-  KEY `user_id` (`user_id`),
-  KEY `idx` (`idx`),
-  KEY `uid` (`uid`),
   UNIQUE `uniqueness` (`user_id`, `cache_key`, `uid`)
 );
 

SQL/mysql.update-0.1a.sql

@@ -1,51 +0,0 @@
--- RoundCube Webmail update script for MySQL databases
--- Updates from version 0.1-20051007
-
-
-ALTER TABLE `session` ADD `ip` VARCHAR(40) NOT NULL AFTER changed;
-ALTER TABLE `users` ADD `alias` VARCHAR(128) NOT NULL AFTER mail_host;
-
-
-
--- RoundCube Webmail update script for MySQL databases
--- Updates from version 0.1-20051021
-
-ALTER TABLE `session` CHANGE `sess_id` `sess_id` VARCHAR(40) NOT NULL;
-
-ALTER TABLE `contacts` CHANGE `del` `del` TINYINT(1) NOT NULL;
-ALTER TABLE `contacts` ADD `changed` DATETIME NOT NULL AFTER `user_id`;
-
-UPDATE `contacts`  SET `del`=0 WHERE `del`=1;
-UPDATE `contacts`  SET `del`=1 WHERE `del`=2;
-
-ALTER TABLE `identities` CHANGE `default` `standard` TINYINT(1) NOT NULL;
-ALTER TABLE `identities` CHANGE `del` `del` TINYINT(1) NOT NULL;
-
-UPDATE `identities`  SET `del`=0 WHERE `del`=1;
-UPDATE `identities`  SET `del`=1 WHERE `del`=2;
-UPDATE `identities`  SET `standard`=0 WHERE `standard`=1;
-UPDATE `identities`  SET `standard`=1 WHERE `standard`=2;
-
-CREATE TABLE `messages` (
-  `message_id` int(11) unsigned NOT NULL auto_increment,
-  `user_id` int(11) unsigned NOT NULL default '0',
-  `del` tinyint(1) NOT NULL default '0',
-  `cache_key` varchar(128) NOT NULL default '',
-  `created` datetime NOT NULL default '0000-00-00 00:00:00',
-  `idx` int(11) unsigned NOT NULL default '0',
-  `uid` int(11) unsigned NOT NULL default '0',
-  `subject` varchar(255) NOT NULL default '',
-  `from` varchar(255) NOT NULL default '',
-  `to` varchar(255) NOT NULL default '',
-  `cc` varchar(255) NOT NULL default '',
-  `date` datetime NOT NULL default '0000-00-00 00:00:00',
-  `size` int(11) unsigned NOT NULL default '0',
-  `headers` text NOT NULL,
-  `structure` text,
-  PRIMARY KEY  (`message_id`),
-  KEY `user_id` (`user_id`),
-  KEY `idx` (`idx`),
-  KEY `uid` (`uid`),
-  UNIQUE `uniqueness` (`cache_key`, `uid`)
-) TYPE=MyISAM;
-

SQL/mysql.update.sql

@@ -1,21 +1,13 @@
 -- RoundCube Webmail update script for MySQL databases
--- Updates from version 0.1-beta and 0.1-beta2
+-- Updates from version 0.1-stable to 0.1.1
 
 TRUNCATE TABLE `messages`;
 
 ALTER TABLE `messages`
-  DROP `body`,
+  DROP INDEX `idx`,
-  DROP INDEX `cache_key`,
+  DROP INDEX `uid`;
-  ADD `structure` TEXT,
-  ADD UNIQUE `uniqueness` (`user_id`, `cache_key`, `uid`);
-
-ALTER TABLE `identities`
-  ADD `html_signature` tinyint(1) default 0 NOT NULL;
 
-ALTER TABLE `session` CHANGE `ip` `ip` VARCHAR(40) 
+ALTER TABLE `cache`
-  
+  DROP INDEX `cache_key`,
--- Uncomment these lines if you're using MySQL 4.1 or higher
+  DROP INDEX `session_id`,
--- ALTER TABLE `users`
+  ADD INDEX `user_cache_index` (`user_id`,`cache_key`);
---  DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci,
---  CHANGE `username` `username` VARCHAR( 128 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
---  CHANGE `alias` `alias` VARCHAR( 128 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;

SQL/mysql5.initial.sql

@@ -1,5 +1,5 @@
 -- RoundCube Webmail initial database structure
--- Version 0.1-rc1
+-- Version 0.1
 
 -- --------------------------------------------------------
 
@@ -15,7 +15,7 @@ CREATE TABLE `session` (
  `ip` varchar(40) NOT NULL,
  `vars` text NOT NULL,
  PRIMARY KEY(`sess_id`)
-) TYPE=MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;
+) TYPE=INNODB CHARACTER SET utf8 COLLATE utf8_general_ci;
 
 
 -- Table structure for table `users`
@@ -30,7 +30,7 @@ CREATE TABLE `users` (
  `language` varchar(5) NOT NULL DEFAULT 'en',
  `preferences` text,
  PRIMARY KEY(`user_id`)
-) TYPE=MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;
+) TYPE=INNODB CHARACTER SET utf8 COLLATE utf8_general_ci;
 
 
 -- Table structure for table `messages`
@@ -52,14 +52,12 @@ CREATE TABLE `messages` (
  `headers` text NOT NULL,
  `structure` text,
  PRIMARY KEY(`message_id`),
- INDEX `idx`(`idx`),
- INDEX `uid`(`uid`),
  UNIQUE `uniqueness` (`user_id`, `cache_key`, `uid`),
  CONSTRAINT `user_id_fk_messages` FOREIGN KEY (`user_id`)
    REFERENCES `users`(`user_id`)
      ON DELETE CASCADE
      ON UPDATE CASCADE
-) TYPE=MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;
+) TYPE=INNODB CHARACTER SET utf8 COLLATE utf8_general_ci;
 
 
 -- Table structure for table `cache`
@@ -72,13 +70,12 @@ CREATE TABLE `cache` (
  `data` longtext NOT NULL,
  `user_id` int(10) UNSIGNED NOT NULL DEFAULT '0',
  PRIMARY KEY(`cache_id`),
- INDEX `cache_key`(`cache_key`),
+ INDEX `user_cache_index` (`user_id`,`cache_key`),
- INDEX `session_id`(`session_id`),
  CONSTRAINT `user_id_fk_cache` FOREIGN KEY (`user_id`)
    REFERENCES `users`(`user_id`)
      ON DELETE CASCADE
      ON UPDATE CASCADE
-) TYPE=MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;
+) TYPE=INNODB CHARACTER SET utf8 COLLATE utf8_general_ci;
 
 
 -- Table structure for table `contacts`
@@ -98,7 +95,7 @@ CREATE TABLE `contacts` (
    REFERENCES `users`(`user_id`)
      ON DELETE CASCADE
      ON UPDATE CASCADE
-) TYPE=MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;
+) TYPE=INNODB CHARACTER SET utf8 COLLATE utf8_general_ci;
 
 
 -- Table structure for table `identities`
@@ -120,7 +117,7 @@ CREATE TABLE `identities` (
    REFERENCES `users`(`user_id`)
      ON DELETE CASCADE
      ON UPDATE CASCADE
-) TYPE=MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci;
+) TYPE=INNODB CHARACTER SET utf8 COLLATE utf8_general_ci;
 
 
 SET FOREIGN_KEY_CHECKS=1;

SQL/postgres.initial.sql

@@ -131,7 +131,7 @@ CREATE TABLE "cache" (
     data text NOT NULL
 );
 
-
+ALTER TABLE "cache" ADD INDEX (user_id, cache_key);
 
 --
 -- Sequence "message_ids"

SQL/postgres.update.sql

@@ -1,12 +1,4 @@
--- RoundCube Webmail update script for Postres databases
+-- RoundCube Webmail update script for Postgres databases
--- Updates from version 0.1-beta and older
+-- Updates from version 0.1-stable to 0.1.1
-
-ALTER TABLE "messages" DROP body;
-ALTER TABLE "messages" ADD structure TEXT;
-ALTER TABLE "messages" ADD UNIQUE (user_id, cache_key, uid);
-
-ALTER TABLE "identities" ADD html_signature INTEGER;
-ALTER TABLE "identities" ALTER html_signature SET DEFAULT 0;
-UPDATE identities SET html_signature = 0;
-ALTER TABLE "identities" ALTER html_signature SET NOT NULL;
 
+ALTER TABLE "cache" ADD INDEX (user_id, cache_key);

SQL/sqlite.initial.sql

@@ -1,5 +1,5 @@
 -- RoundCube Webmail initial database structure
--- Version 0.1-rc1
+-- Version 0.1
 -- 
 
 -- --------------------------------------------------------
@@ -17,9 +17,7 @@ CREATE TABLE cache (
   data longtext NOT NULL
 );
 
-CREATE INDEX ix_cache_user_id ON cache(user_id);
+CREATE INDEX ix_cache_user_cache_key ON cache(user_id, cache_key);
-CREATE INDEX ix_cache_cache_key ON cache(cache_key);
-CREATE INDEX ix_cache_session_id ON cache(session_id);
 
 
 -- --------------------------------------------------------
@@ -115,14 +113,11 @@ CREATE TABLE messages (
   subject varchar(255) NOT NULL default '',
   "from" varchar(255) NOT NULL default '',
   "to" varchar(255) NOT NULL default '',
-  cc varchar(255) NOT NULL default '',
+  "cc" varchar(255) NOT NULL default '',
-  date datetime NOT NULL default '0000-00-00 00:00:00',
+  "date" datetime NOT NULL default '0000-00-00 00:00:00',
   size integer NOT NULL default '0',
   headers text NOT NULL,
   structure text
 );
 
-CREATE INDEX ix_messages_user_id ON messages(user_id);
+CREATE INDEX ix_messages_user_cache_uid ON messages(user_id,cache_key,uid);
-CREATE INDEX ix_messages_cache_key ON messages(cache_key);
-CREATE INDEX ix_messages_idx ON messages(idx);
-CREATE INDEX ix_messages_uid ON messages(uid);

SQL/sqlite.update.sql

@@ -1,5 +1,5 @@
 -- RoundCube Webmail update script for SQLite databases
--- Updates from version 0.1-beta2 and older
+-- Updates from version 0.1-stable to 0.1.1
 
 DROP TABLE messages;
 
@@ -14,14 +14,12 @@ CREATE TABLE messages (
   subject varchar(255) NOT NULL default '',
   "from" varchar(255) NOT NULL default '',
   "to" varchar(255) NOT NULL default '',
-  cc varchar(255) NOT NULL default '',
+  "cc" varchar(255) NOT NULL default '',
-  date datetime NOT NULL default '0000-00-00 00:00:00',
+  "date" datetime NOT NULL default '0000-00-00 00:00:00',
   size integer NOT NULL default '0',
   headers text NOT NULL,
   structure text
 );
 
-CREATE INDEX ix_messages_user_id ON messages(user_id);
+CREATE INDEX ix_messages_user_cache_uid ON messages(user_id,cache_key,uid);
-CREATE INDEX ix_messages_cache_key ON messages(cache_key);
+
-CREATE INDEX ix_messages_idx ON messages(idx);
-CREATE INDEX ix_messages_uid ON messages(uid);