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