<?php
declare(strict_types=1);
namespace DoctrineMigrations;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;
/**
* 学校進学関係マスターのためのマイグレーション
* 進学前学校・進学後学校の関係性を管理する機能を追加
*/
final class Version20251219000000 extends AbstractMigration
{
public function getDescription(): string
{
return '学校進学関係マスターテーブル (dtb_school_progression) を追加';
}
public function up(Schema $schema): void
{
$schemaManager = $this->connection->createSchemaManager();
// テーブルが存在しない場合のみ作成
if (!$schemaManager->tablesExist(['dtb_school_progression'])) {
// 学校進学関係テーブルを作成(進学前学校用)
$this->addSql('CREATE TABLE dtb_school_progression (
id INT AUTO_INCREMENT NOT NULL,
base_school_id INT UNSIGNED NOT NULL COMMENT "基準となる学校ID",
target_school_id INT UNSIGNED NOT NULL COMMENT "関係する学校ID",
progression_type TINYINT NOT NULL COMMENT "進学種別(1:進学前, 2:進学後)",
PRIMARY KEY(id),
UNIQUE INDEX unique_school_progression (base_school_id, target_school_id, progression_type),
INDEX IDX_school_progression_base_school (base_school_id),
INDEX IDX_school_progression_target_school (target_school_id),
INDEX IDX_school_progression_type (progression_type)
) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_general_ci` ENGINE = InnoDB COMMENT="学校進学関係マスター"');
// 外部キー制約を追加
$this->addSql('ALTER TABLE dtb_school_progression
ADD CONSTRAINT FK_school_progression_base_school
FOREIGN KEY (base_school_id) REFERENCES dtb_school (school_id) ON DELETE CASCADE');
$this->addSql('ALTER TABLE dtb_school_progression
ADD CONSTRAINT FK_school_progression_target_school
FOREIGN KEY (target_school_id) REFERENCES dtb_school (school_id) ON DELETE CASCADE');
}
}
public function down(Schema $schema): void
{
$schemaManager = $this->connection->createSchemaManager();
// テーブルが存在する場合のみ削除
if ($schemaManager->tablesExist(['dtb_school_progression'])) {
// 外部キー制約を削除
$this->addSql('ALTER TABLE dtb_school_progression DROP FOREIGN KEY FK_school_progression_base_school');
$this->addSql('ALTER TABLE dtb_school_progression DROP FOREIGN KEY FK_school_progression_target_school');
// テーブルを削除
$this->addSql('DROP TABLE dtb_school_progression');
}
}
}