presto-memsql/src/main/java/io/prestosql/plugin/memsql/MemSqlClientModule.java/MemSqlClientModule/ensureCatalogIsEmpty
class MemSqlClientModule:    private static void ensureCatalogIsEmpty(String connectionUrl)
    {
        try {
            Driver driver = new Driver();
            DriverPropertyInfo[] urlProperties = driver.getPropertyInfo(connectionUrl, null);
            checkArgument(urlProperties != null, "Invalid JDBC URL for MemSQL connector: '%s'", connectionUrl);
        }
        catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }