addSql(<<<'SQL' ALTER TABLE school_grading_configurations ADD COLUMN parent_grade_delay_hours SMALLINT NOT NULL DEFAULT 24 CHECK (parent_grade_delay_hours >= 0 AND parent_grade_delay_hours <= 72) SQL); } public function down(Schema $schema): void { $this->addSql('ALTER TABLE school_grading_configurations DROP COLUMN parent_grade_delay_hours'); } }