DoctrineMigrations\Version20191009170845::down()

Complexity

Conditions	1
Paths	1

Size

Total Lines	9
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	1

<?php
    public function down(Schema $schema) : void
    {
        // this down() migration is auto-generated, please modify it to your needs
        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');    
        $this->addSql('ALTER TABLE item DROP category_id;');
        $this->addSql('CREATE TABLE item_categories (item_id CHAR(36) NOT NULL COMMENT \'(DC2Type:uuid)\', category_id  CHAR(36) NOT NULL COMMENT \'(DC2Type:uuid)\', PRIMARY KEY (item_id, category_id) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
        $this->addSql('ALTER TABLE item_categories ADD CONSTRAINT fk_item_categories_item_id FOREIGN KEY (item_id) REFERENCES item (id)');
        $this->addSql('ALTER TABLE item_categories ADD CONSTRAINT fk_item_categories_category_id FOREIGN KEY (category_id) REFERENCES category (id)');
        $this->addSql('ALTER TABLE item_categories ADD CONSTRAINT unique_item_category UNIQUE (item_id, category_id)');
    }