Added the database updates to federations.

sql/update_2022-05-04_02.sql

@@ -0,0 +1,51 @@
+CREATE TABLE `ada`.`federations` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `user_id` int(10) unsigned NOT NULL,
+  `hash` varchar(32) NOT NULL,
+  `description` varchar(100) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `idx_hash` (`hash`),
+  KEY `fk_federations_user_id_idx` (`user_id`),
+  CONSTRAINT `fk_federations_user_id` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION
+) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4
+
+ALTER TABLE `ada`.`chats`
+ADD COLUMN `federation_id` INT UNSIGNED NULL AFTER `id`,
+ADD INDEX `idx_federation_id` (`federation_id` ASC) VISIBLE;
+
+ALTER TABLE `ada`.`chats`
+ADD CONSTRAINT `fk_chats_federation_id`
+  FOREIGN KEY (`federation_id`)
+  REFERENCES `ada`.`federations` (`id`)
+  ON DELETE NO ACTION
+  ON UPDATE NO ACTION;
+
+ALTER TABLE `ada`.`bans`
+ADD COLUMN `federation_id` INT UNSIGNED NULL AFTER `chat_id`,
+ADD INDEX `fk_bans_federation_id_idx` (`federation_id` ASC) VISIBLE;
+
+ALTER TABLE `ada`.`bans`
+ADD CONSTRAINT `fk_bans_federation_id`
+  FOREIGN KEY (`federation_id`)
+  REFERENCES `ada`.`federations` (`id`)
+  ON DELETE NO ACTION
+  ON UPDATE NO ACTION;
+
+CREATE TABLE `ada`.`rel_users_federations` (
+  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `user_id` INT UNSIGNED NOT NULL,
+  `federation_id` INT UNSIGNED NOT NULL,
+  `date` INT UNSIGNED NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE INDEX `idx_uq_user_id_federation_id` (`user_id` ASC, `federation_id` ASC) VISIBLE,
+  INDEX `fk_rel_users_federations_federation_id_idx` (`federation_id` ASC) VISIBLE,
+  CONSTRAINT `fk_rel_users_federations_user_id`
+    FOREIGN KEY (`user_id`)
+    REFERENCES `ada`.`users` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_rel_users_federations_federation_id`
+    FOREIGN KEY (`federation_id`)
+    REFERENCES `ada`.`federations` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION);