-- CreateTable CREATE TABLE `User` ( `id` INTEGER NOT NULL AUTO_INCREMENT, `username` VARCHAR(191) NOT NULL, `password` VARCHAR(191) NOT NULL, `position_x` INTEGER NOT NULL, `position_y` INTEGER NOT NULL, `rotation` INTEGER NOT NULL, `mapId` INTEGER NULL, UNIQUE INDEX `User_username_key`(`username`), UNIQUE INDEX `User_mapId_key`(`mapId`), PRIMARY KEY (`id`) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; -- CreateTable CREATE TABLE `Map` ( `id` INTEGER NOT NULL AUTO_INCREMENT, `name` VARCHAR(191) NOT NULL, `tiles` VARCHAR(191) NOT NULL, PRIMARY KEY (`id`) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; -- CreateTable CREATE TABLE `Chatlogs` ( `id` INTEGER NOT NULL AUTO_INCREMENT, `userId` INTEGER NOT NULL, `message` VARCHAR(191) NOT NULL, `mapId` INTEGER NOT NULL, PRIMARY KEY (`id`) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; -- AddForeignKey ALTER TABLE `User` ADD CONSTRAINT `User_mapId_fkey` FOREIGN KEY (`mapId`) REFERENCES `Map`(`id`) ON DELETE SET NULL ON UPDATE CASCADE; -- AddForeignKey ALTER TABLE `Chatlogs` ADD CONSTRAINT `Chatlogs_mapId_fkey` FOREIGN KEY (`mapId`) REFERENCES `Map`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE; -- AddForeignKey ALTER TABLE `Chatlogs` ADD CONSTRAINT `Chatlogs_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `User`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;