Foreign keys in messages now delete when parent key is deleted

server-api/migrations/2020-03-11-005217_channels/up.sql

@@ -1,7 +1,7 @@
 CREATE TABLE IF NOT EXISTS `channels` (
     `id` BIGINT UNSIGNED NOT NULL auto_increment,
     `name` UNIQUE VARCHAR(255) NOT NULL,
-    `description` VARCHAR(1024),
+    `description` VARCHAR(4096),
     `kind` INTEGER NOT NULL,
     PRIMARY KEY(`id`), UNIQUE KEY(`name`)
 );

server-api/migrations/2020-07-06-022319_messages/up.sql

@@ -4,8 +4,6 @@ CREATE TABLE IF NOT EXISTS `messages`(
 	`time` BIGINT NOT NULL,
 	`content` VARCHAR(2048) NOT NULL,
 	`author_id` BIGINT UNSIGNED NOT NULL,
-	`channel_name` VARCHAR(255) NOT NULL,
 	PRIMARY KEY (`id`),
-	FOREIGN KEY (`author_id`) REFERENCES members(`id`),
-	FOREIGN KEY (`channel_name`) REFERENCES channels(`name`)
+	FOREIGN KEY (`author_id`) REFERENCES members(`id`) ON DELETE CASCADE
 );