| ⇢ | A | DatabaseConnectionFactory added | |
| A | ↘ | B | Legacy got worse |
| ⇢ | A | Legacy::createSchema() added | |
| ⇢ | A | Legacy::getDropSqlStatementsForExistingSchema() added | |
| ⇢ | A | DatabaseConnectionFactory::createConnection() added | |
| ⇢ | A | DatabaseConnectionFactory::__construct() added | |
| ⇢ | A | Legacy::getDatabaseConnection() added |