getTable("{$this->prefix}email_copies")->hasColumn('body_text')) { throw new SkipMigration("The body_text column has already been added to the {$this->prefix}email_copies table."); } } public function up(Schema $schema): void { $this->addSql("ALTER TABLE {$this->prefix}email_copies ADD COLUMN `body_text` LONGTEXT NULL DEFAULT NULL AFTER `body`"); } public function down(Schema $schema): void { $this->addSql("ALTER TABLE {$this->prefix}email_copies DROP COLUMN `body_text`"); } }