;;;; Original code by Pierre R. Mai
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: postgresql-sql.cl,v 1.9 2002/03/25 23:48:46 kevin Exp $
+;;;; $Id: postgresql-sql.cl,v 1.12 2002/03/29 09:37:24 kevin Exp $
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
(in-package :cl-user)
(defpackage :clsql-postgresql
- (:use :common-lisp :clsql-sys :postgresql)
+ (:use :common-lisp :clsql-sys :postgresql :clsql-uffi)
(:export #:postgresql-database)
(:documentation "This is the CLSQL interface to PostgreSQL."))
;;; 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 '()))
- (dotimes (i num-fields)
- (declare (fixnum i))
- (let* ((type (PQftype res-ptr i)))
- (push
- (case type
- ((#.pgsql-ftype#bytea
- #.pgsql-ftype#int2
- #.pgsql-ftype#int4)
- :int)
- ((#.pgsql-ftype#float4
- #.pgsql-ftype#float8)
- :double)
- (otherwise
- t))
- new-types)))
+(defun make-type-list-for-auto (num-fields res-ptr)
+ (let ((new-types '()))
+ (dotimes (i num-fields)
+ (declare (fixnum i))
+ (let* ((type (PQftype res-ptr i)))
+ (push
+ (case type
+ ((#.pgsql-ftype#bytea
+ #.pgsql-ftype#int2
+ #.pgsql-ftype#int4)
+ :int32)
+ (#.pgsql-ftype#int8
+ :int64)
+ ((#.pgsql-ftype#float4
+ #.pgsql-ftype#float8)
+ :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 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)))))
(defun tidy-error-message (message)
(unless (stringp message)