CREATE TABLE `comment_reactions` ( `comment_id` bigint unsigned NOT NULL, `user_id` bigint unsigned NOT NULL, `emoji` varchar(32) NOT NULL, `created_at` timestamp NOT NULL DEFAULT (now()), CONSTRAINT `comment_reactions_comment_id_user_id_emoji_pk` PRIMARY KEY(`comment_id`,`user_id`,`emoji`) ); --> statement-breakpoint ALTER TABLE `comment_reactions` ADD CONSTRAINT `comment_reactions_comment_id_comments_id_fk` FOREIGN KEY (`comment_id`) REFERENCES `comments`(`id`) ON DELETE cascade ON UPDATE no action;--> statement-breakpoint ALTER TABLE `comment_reactions` ADD CONSTRAINT `comment_reactions_user_id_users_id_fk` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE cascade ON UPDATE no action;