+
+ (let* ((field-vec (mysql-fetch-fields rs))
+ (num-fields (mysql-num-fields rs))
+ (output-bind (uffi:allocate-foreign-object mysql-bind num-fields))
+ (length-ptr (uffi:allocate-foreign-object :unsigned-long num-fields))
+ (is-null-ptr (uffi:allocate-foreign-object :byte num-fields)))
+
+ (dotimes (i num-fields)
+ (declare (fixnum i))
+ (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
+ (type (uffi:get-slot-value field 'mysql-field 'type))
+ (binding (uffi:deref-array output-bind '(:array mysql-bind) i)))
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer-type) type)
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer-length) 0)
+ (setf (uffi:get-slot-value binding 'mysql-bind 'is-null)
+ (uffi:pointer-address (uffi:deref-array is-null-ptr '(:array :byte) i)))
+ (setf (uffi:get-slot-value binding 'mysql-bind 'length)
+ (uffi:pointer-address (uffi:deref-array length-ptr '(:array :unsigned-long) i)))
+
+ (case type
+ ((#.mysql-field-types#var-string #.mysql-field-types#string
+ #.mysql-field-types#tiny-blob #.mysql-field-types#blob
+ #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer-length) 1024)
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer)
+ (uffi:allocate-foreign-object :unsigned-char 1024)))
+ (#.mysql-field-types#tiny
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer)
+ (uffi:allocate-foreign-object :byte)))
+ (#.mysql-field-types#short
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer)
+ (uffi:allocate-foreign-object :short)))
+ (#.mysql-field-types#long
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer)
+ (uffi:allocate-foreign-object :int)))
+ #+64bit
+ (#.mysql-field-types#longlong
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer)
+ (uffi:allocate-foreign-object :long)))
+ (#.mysql-field-types#float
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer)
+ (uffi:allocate-foreign-object :float)))
+ (#.mysql-field-types#double
+ (setf (uffi:get-slot-value binding 'mysql-bind 'buffer)
+ (uffi:allocate-foreign-object :double)))
+ ((#.mysql-field-types#time #.mysql-field-types#date
+ #.mysql-field-types#datetime #.mysql-field-types#timestamp)
+ (uffi:allocate-foreign-object 'mysql-time))
+ (t
+ (error "mysql type ~D not supported." type)))))
+
+ (unless (zerop (mysql-stmt-bind-result stmt output-bind))
+ (error 'sql-database-error
+ :error-id (mysql-stmt-errno stmt)
+ :message (uffi:convert-from-cstring
+ (mysql-stmt-error stmt))))