anchor.diff:  (defconstant +mysql-command-initialize-database+ #x02)
   (defconstant +mysql-command-query+ #x03)
   (defconstant +mysql-command-field-list+ #x04)
  -(defconstant +mysql-command-create-database+ #x05)
  -(defconstant +mysql-command-drop-database+ #x06)
  +(defconstant +mysql-command-create-database+ #x05) ; deprecated
  +(defconstant +mysql-command-drop-database+ #x06) ; deprecated
   (defconstant +mysql-command-refresh+ #x07)
   (defconstant +mysql-command-shutdown+ #x08)
   (defconstant +mysql-command-statistics+ #x09)
  
positive.code:    +mysql-capability-client-connect-with-db+
     ;;+mysql-capability-client-no-schema+
     ;;+mysql-capability-client-ignore-space+
     ;;+mysql-capability-client-transactions+
     ;;+mysql-capability-client-multi-statements+
     ;;+mysql-capability-client-multi-results+
     ;;+mysql-capability-client-ps-multi-results+
  
negative.code: (defconstant +mysql-capability-client-ssl+ #x800)
  
  (defconstant +mysql-capability-client-ignore-sigpipe+ #x1000)
  (defconstant +mysql-capability-client-transactions+ #x2000)      ;; Always set by server since v4.0
  (defconstant +mysql-capability-client-reserved+ #x4000)          ;; CLIENT_PROTOCOL_41 in v4.1.0; deprecated v4.1.1
  (defconstant +mysql-capability-client-secure-connection+ #x8000)
  
  