- Add workaround for MySQL bug [http://bugs.mysql.com/bug.php?id=46293] (#1486474)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG RoundCube Webmail
 ===========================
 
+- Add workaround for MySQL bug [http://bugs.mysql.com/bug.php?id=46293] (#1486474)
 - Fix quoted text wrapping when replying to an HTML email in plain text (#1484141)
 - Fix handling of extended mailto links (with params) (#1486354)
 - Fix sorting by date of messages without date header on servers without SORT (#1486286)

SQL/mysql.initial.sql

@@ -54,14 +54,13 @@ CREATE TABLE `messages` (
  PRIMARY KEY(`message_id`),
  INDEX `created_index` (`created`),
  INDEX `index_index` (`user_id`, `cache_key`, `idx`),
- UNIQUE `uniqueness` (`user_id`, `cache_key`, `uid`),
- CONSTRAINT `user_id_fk_messages` FOREIGN KEY (`user_id`)
-   REFERENCES `users`(`user_id`)
-   /*!40008
-     ON DELETE CASCADE
-     ON UPDATE CASCADE */
+ UNIQUE `uniqueness` (`user_id`, `cache_key`, `uid`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
+/* create foreign keys outside of create table, because of MySQL bug #46293 */
+ALTER TABLE `messages` ADD CONSTRAINT `user_id_fk_messages` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+
 
 -- Table structure for table `cache`
 
@@ -73,14 +72,13 @@ CREATE TABLE `cache` (
  `user_id` int(10) UNSIGNED NOT NULL DEFAULT '0',
  PRIMARY KEY(`cache_id`),
  INDEX `created_index` (`created`),
- INDEX `user_cache_index` (`user_id`,`cache_key`),
- CONSTRAINT `user_id_fk_cache` FOREIGN KEY (`user_id`)
-   REFERENCES `users`(`user_id`)
-   /*!40008
-     ON DELETE CASCADE
-     ON UPDATE CASCADE */
+ INDEX `user_cache_index` (`user_id`,`cache_key`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
+/* create foreign keys outside of create table, because of MySQL bug #46293 */
+ALTER TABLE `cache` ADD CONSTRAINT `user_id_fk_cache` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+
 
 -- Table structure for table `contacts`
 
@@ -95,14 +93,13 @@ CREATE TABLE `contacts` (
  `vcard` text NULL,
  `user_id` int(10) UNSIGNED NOT NULL DEFAULT '0',
  PRIMARY KEY(`contact_id`),
- INDEX `user_contacts_index` (`user_id`,`email`),
- CONSTRAINT `user_id_fk_contacts` FOREIGN KEY (`user_id`)
-   REFERENCES `users`(`user_id`)
-   /*!40008
-     ON DELETE CASCADE
-     ON UPDATE CASCADE */
+ INDEX `user_contacts_index` (`user_id`,`email`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
+/* create foreign keys outside of create table, because of MySQL bug #46293 */
+ALTER TABLE `contacts` ADD CONSTRAINT `user_id_fk_contacts` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+
 
 -- Table structure for table `identities`
 
@@ -118,13 +115,12 @@ CREATE TABLE `identities` (
  `signature` text,
  `html_signature` tinyint(1) NOT NULL DEFAULT '0',
  `user_id` int(10) UNSIGNED NOT NULL DEFAULT '0',
- PRIMARY KEY(`identity_id`),
- CONSTRAINT `user_id_fk_identities` FOREIGN KEY (`user_id`)
-   REFERENCES `users`(`user_id`)
-   /*!40008
-     ON DELETE CASCADE
-     ON UPDATE CASCADE */
+ PRIMARY KEY(`identity_id`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
+/* create foreign keys outside of create table, because of MySQL bug #46293 */
+ALTER TABLE `identities` ADD CONSTRAINT `user_id_fk_identities` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+
 
 /*!40014 SET FOREIGN_KEY_CHECKS=1 */;

SQL/mysql.update.sql

@@ -57,3 +57,24 @@ ALTER TABLE `session`
 
 ALTER TABLE `contacts`
     ADD INDEX `user_contacts_index` (`user_id`,`email`);
+
+-- Updates from version 0.3.1
+
+/* MySQL bug workaround: http://bugs.mysql.com/bug.php?id=46293 */
+/*!40014 SET FOREIGN_KEY_CHECKS=0; */
+
+ALTER TABLE `messages` DROP FOREIGN KEY `user_id_fk_messages`;
+ALTER TABLE `cache` DROP FOREIGN KEY `user_id_fk_cache`;
+ALTER TABLE `contacts` DROP FOREIGN KEY `user_id_fk_contacts`;
+ALTER TABLE `identities` DROP FOREIGN KEY `user_id_fk_identities`;
+
+ALTER TABLE `messages` ADD CONSTRAINT `user_id_fk_messages` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+ALTER TABLE `cache` ADD CONSTRAINT `user_id_fk_cache` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+ALTER TABLE `contacts` ADD CONSTRAINT `user_id_fk_contacts` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+ALTER TABLE `identities` ADD CONSTRAINT `user_id_fk_identities` FOREIGN KEY (`user_id`)
+ REFERENCES `users`(`user_id`) /*!40008 ON DELETE CASCADE ON UPDATE CASCADE */;
+
+/*!40014 SET FOREIGN_KEY_CHECKS=1; */