misuzu/database/2021_08_28_220000_nuke_relations_table.php

33 lines
1.3 KiB
PHP

<?php
namespace Misuzu\DatabaseMigrations\NukeRelationsTable;
use PDO;
function migrate_up(PDO $conn): void {
$conn->exec("DROP TABLE `msz_user_relations`");
}
function migrate_down(PDO $conn): void {
$conn->exec("
CREATE TABLE `msz_user_relations` (
`user_id` INT(10) UNSIGNED NOT NULL,
`subject_id` INT(10) UNSIGNED NOT NULL,
`relation_type` TINYINT(3) UNSIGNED NOT NULL,
`relation_created` TIMESTAMP NOT NULL DEFAULT current_timestamp(),
UNIQUE INDEX `user_relations_unique` (`user_id`, `subject_id`) USING BTREE,
INDEX `user_relations_subject_id_foreign` (`subject_id`) USING BTREE,
INDEX `user_relations_type_index` (`relation_type`) USING BTREE,
INDEX `user_relations_created_index` (`relation_created`) USING BTREE,
CONSTRAINT `user_relations_subject_id_foreign`
FOREIGN KEY (`subject_id`)
REFERENCES `msz_users` (`user_id`)
ON UPDATE CASCADE
ON DELETE CASCADE,
CONSTRAINT `user_relations_user_id_foreign`
FOREIGN KEY (`user_id`)
REFERENCES `msz_users` (`user_id`)
ON UPDATE CASCADE
ON DELETE CASCADE
) COLLATE='utf8mb4_bin' ENGINE=InnoDB;
");
}