r2261: *** empty log message ***
[clsql.git] / interfaces / mysql / mysql-sql.cl
index 576438e04f835b0518aeca0f02ab71cab035b112..652fb33e9f7e841a4c1e8f2bc6e2d5351c10c634 100644 (file)
@@ -8,7 +8,7 @@
 ;;;;                Original code by Pierre R. Mai 
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: mysql-sql.cl,v 1.10 2002/03/25 23:48:46 kevin Exp $
+;;;; $Id: mysql-sql.cl,v 1.22 2002/05/27 17:19:30 kevin Exp $
 ;;;;
 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
@@ -33,7 +33,7 @@
 ;;;; Added field types
 
 (defpackage :clsql-mysql
-    (:use :common-lisp :clsql-sys :mysql)
+    (:use :common-lisp :clsql-base-sys :mysql :clsql-uffi)
     (:export #:mysql-database)
     (:documentation "This is the CLSQL interface to MySQL."))
 
 
 ;;; Field conversion functions
 
-(defun canonicalize-types (types num-fields res-ptr)
-  (cond
-   ((if (listp types)
-       (let ((length-types (length types))
-             (new-types '()))
-         (loop for i from 0 below num-fields
-             do
-               (if (>= i length-types)
-                   (push t new-types) ;; types is shorted than num-fields
-                 (push
-                  (case (nth i types)
-                    ((:int :long :double t)
-                     (nth i types))
-                    (t
-                     t))
-                  new-types)))
-         (nreverse new-types))))
-   ((eq types :auto)
-    (let ((new-types '())
-         #+ignore (field-vec (mysql-fetch-fields res-ptr)))
-      (dotimes (i num-fields)
-       (declare (fixnum i))
-       (let* ( (field (mysql-fetch-field-direct res-ptr i))
-               #+ignore (field (uffi:deref-array field-vec 'mysql-field-vector i))
-               (type (uffi:get-slot-value field 'mysql-field 'type)))
-         (push
-          (case type
-            ((#.mysql-field-types#tiny 
-              #.mysql-field-types#short
-              #.mysql-field-types#int24
-              #.mysql-field-types#long)
-             :int)
-            ((#.mysql-field-types#double
-              #.mysql-field-types#float
-              #.mysql-field-types#decimal)
-             :double)
-            (otherwise
-             t))
-          new-types)))
-      (nreverse new-types)))
-   (t
-    nil)))
-
-(uffi:def-function "atoi"
-    ((str :cstring))
-  :returning :int)
-
-(uffi:def-function "atol"
-    ((str :cstring))
-  :returning :long)
-
-(uffi:def-function "atof"
-    ((str :cstring))
-  :returning :double)
+(defun make-type-list-for-auto (num-fields res-ptr)
+  (let ((new-types '())
+       #+ignore (field-vec (mysql-fetch-fields res-ptr)))
+    (dotimes (i num-fields)
+      (declare (fixnum i))
+      (let* ( (field (mysql-fetch-field-direct res-ptr i))
+            #+ignore (field (uffi:deref-array field-vec 'mysql-field-vector i))
+             (type (uffi:get-slot-value field 'mysql-field 'type)))
+       (push
+        (case type
+          ((#.mysql-field-types#tiny 
+            #.mysql-field-types#short
+            #.mysql-field-types#int24
+            #.mysql-field-types#long)
+           :int32)
+          (#.mysql-field-types#longlong
+           :int64)
+          ((#.mysql-field-types#double
+            #.mysql-field-types#float
+            #.mysql-field-types#decimal)
+           :double)
+          (otherwise
+           t))
+        new-types)))
+    (nreverse new-types)))
 
-(defun convert-raw-field (char-ptr types index)
-  (let ((type (if (listp types)
-                 (nth index types)
-                 types)))
-    (case type
-      (:int
-       (atoi char-ptr))
-      (:long
-       (atol char-ptr))
-      (:double
-       (atof char-ptr))
-      (otherwise
-       (uffi:convert-from-foreign-string char-ptr)))))
+(defun canonicalize-types (types num-fields res-ptr)
+  (if (null types)
+      nil
+      (let ((auto-list (make-type-list-for-auto num-fields res-ptr)))
+       (cond
+         ((listp types)
+          (canonicalize-type-list types auto-list))
+         ((eq types :auto)
+          auto-list)
+         (t
+          nil)))))
 
 (defmethod database-initialize-database-type ((database-type (eql :mysql)))
   t)
   ((mysql-ptr :accessor database-mysql-ptr :initarg :mysql-ptr
              :type mysql-mysql-ptr-def)))
 
+(defmethod database-type ((database mysql-database))
+  :mysql)
+
 (defmethod database-name-from-spec (connection-spec (database-type (eql :mysql)))
   (check-connection-spec connection-spec database-type (host db user password))
   (destructuring-bind (host db user password) connection-spec
     (declare (ignore password))
     (concatenate 'string host "/" db "/" user)))
 
-
 (defmethod database-connect (connection-spec (database-type (eql :mysql)))
   (check-connection-spec connection-spec database-type (host db user password))
   (destructuring-bind (host db user password) connection-spec
                  (make-instance 'mysql-database
                    :name (database-name-from-spec connection-spec
                                                   database-type)
+                   :connection-spec connection-spec
                    :mysql-ptr mysql-ptr))
              (when error-occurred (mysql-close mysql-ptr)))))))))
 
                              collect
                              (loop for i from 0 below num-fields
                                    collect
-                                   (uffi:convert-from-foreign-string
-                                    (uffi:deref-array row 'mysql-row i))))
+                                   (convert-raw-field
+                                    (uffi:deref-array row 'mysql-row i)
+                                    types i)))
                     (mysql-free-result res-ptr)))
               (error 'clsql-sql-error
                      :database database
   t)
 
 
-
 (defmethod database-store-next-row (result-set (database mysql-database) list)
   (let* ((res-ptr (mysql-result-set-res-ptr result-set))
         (row (mysql-fetch-row res-ptr))
       list)))
 
 
+(when (clsql-base-sys:database-type-library-loaded :mysql)
+  (clsql-base-sys:initialize-database-type :database-type :mysql)
+  (pushnew :mysql cl:*features*))