-- CreateTable
CREATE TABLE `CommentSeen` (
    `id` VARCHAR(191) NOT NULL,
    `commentId` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `seenAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `CommentSeen_commentId_idx`(`commentId`),
    UNIQUE INDEX `CommentSeen_commentId_userId_key`(`commentId`, `userId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- AddForeignKey
ALTER TABLE `CommentSeen` ADD CONSTRAINT `CommentSeen_commentId_fkey` FOREIGN KEY (`commentId`) REFERENCES `Comment`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;