1 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
5 ;;;; Name: aodbc-sql.cl
6 ;;;; Purpose: Low-level interface for CLSQL AODBC backend
7 ;;;; Programmer: Kevin M. Rosenberg
8 ;;;; Date Started: Feb 2002
10 ;;;; $Id: aodbc-sql.cl,v 1.1 2002/03/23 14:04:52 kevin Exp $
12 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
14 ;;;; CLSQL users are granted the rights to distribute and use this software
15 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
16 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
17 ;;;; *************************************************************************
19 (declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
20 (in-package :clsql-aodbc)
23 (defmethod database-initialize-database-type ((database-type (eql :aodbc)))
26 (defclass aodbc-database (database)
27 ((aodbc-conn :accessor database-aodbc-conn :initarg :aodbc-conn)))
29 (defmethod database-name-from-spec (connection-spec
30 (database-type (eql :aodbc)))
31 (check-connection-spec connection-spec database-type (dsn user password))
32 (destructuring-bind (dsn user password) connection-spec
33 (declare (ignore password))
34 (concatenate 'string dsn "/" user)))
36 (defmethod database-connect (connection-spec (database-type (eql :aodbc)))
37 (check-connection-spec connection-spec database-type (dsn user password))
38 (destructuring-bind (dsn user password) connection-spec
40 (make-instance 'aodbc-database
41 :name (database-name-from-spec connection-spec :aodbc)
43 (dbi:connect :user user
45 :data-source-name dsn))
46 (error () ;; Init or Connect failed
47 (error 'clsql-connect-error
48 :database-type database-type
49 :connection-spec connection-spec
51 :error "Connection failed")))))
53 (defmethod database-disconnect ((database aodbc-database))
54 (dbi:disconnect (database-aodbc-conn database))
55 (setf (database-aodbc-conn database) nil)
58 (defmethod database-query (query-expression (database aodbc-database))
60 (dbi:sql query-expression :db (database-aodbc-conn database))
62 (error 'clsql-sql-error
64 :expression query-expression
66 :error "Query failed"))))
68 (defmethod database-execute-command (sql-expression
69 (database aodbc-database))
71 (dbi:sql sql-expression :db (database-aodbc-conn database))
73 (error 'clsql-sql-error
75 :expression sql-expression
77 :error "Execute command failed"))))
79 (defstruct aodbc-result-set
83 (defmethod database-query-result-set (query-expression
84 (database aodbc-database)
87 (multiple-value-bind (query column-names)
88 (dbi:sql query-expression
89 :db (database-aodbc-conn database)
95 (make-aodbc-result-set :query query :full-set full-set)
97 nil ;; not able to return number of rows with aodbc
100 (error 'clsql-sql-error
102 :expression query-expression
104 :error "Query result set failed"))))
106 (defmethod database-dump-result-set (result-set (database aodbc-database))
107 (dbi:close-query (aodbc-result-set-query result-set))
110 (defmethod database-store-next-row (result-set
111 (database aodbc-database)
113 (let ((row (dbi:fetch-row (aodbc-result-set-query result-set) nil 'eof)))
117 (loop for elem in row
120 (setf (car rest) elem))