CREATE TABLE `upload_reactions` ( `upload_id` varchar(8) NOT NULL, `user_id` bigint unsigned NOT NULL, `emoji` varchar(32) NOT NULL, `created_at` timestamp NOT NULL DEFAULT (now()), CONSTRAINT `upload_reactions_upload_id_user_id_emoji_pk` PRIMARY KEY(`upload_id`,`user_id`,`emoji`) ); --> statement-breakpoint ALTER TABLE `upload_reactions` ADD CONSTRAINT `upload_reactions_upload_id_uploads_id_fk` FOREIGN KEY (`upload_id`) REFERENCES `uploads`(`id`) ON DELETE cascade ON UPDATE no action;--> statement-breakpoint ALTER TABLE `upload_reactions` ADD CONSTRAINT `upload_reactions_user_id_users_id_fk` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE cascade ON UPDATE no action;