+ (if connection-string
+ (%sql-driver-connect (hdbc db)
+ connection-string
+ (ecase completion
+ (:no-prompt odbc::$SQL_DRIVER_NOPROMPT)
+ (:complete odbc::$SQL_DRIVER_COMPLETE)
+ (:prompt odbc::$SQL_DRIVER_PROMPT)
+ (:complete-required odbc::$SQL_DRIVER_COMPLETE_REQUIRED))
+ window-handle)
+ (%sql-connect (hdbc db) data-source-name user password))