down()

Signature

down() — returns void

Available in: migration Category: Migration Functions

Description

down() defines the steps to revert a database migration. It’s executed when rolling back a migration, typically to undo the changes applied by the corresponding up() function. Only available in a migration CFC

Examples

function down() {
	transaction {
		try {
			// your code goes here
			dropTable('myTable');
		} catch (any e) {
			local.exception = e;
		}

		if (StructKeyExists(local, "exception")) {
			transaction action="rollback";
			throw(errorCode="1", detail=local.exception.detail, message=local.exception.message, type="any");
		} else {
			transaction action="commit";
		}
	}
}