createTable('buy', [ 'id' => $this->primaryKey(), 'book_id' => $this->integer(), 'name' => $this->string(), 'email' => $this->string(), 'created_at' => $this->integer(), 'status' => $this->integer() ]); $this->addForeignKey('buy_book_fk', 'buy', 'book_id', 'book', 'id', 'CASCADE', 'CASCADE'); } /** * {@inheritdoc} */ public function safeDown() { $this->dropForeignKey('buy_book_fk', 'buy'); $this->dropTable('buy'); } }