--- /dev/null
+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name: aodbc-sql.cl
+;;;; Purpose: Low-level interface for CLSQL AODBC backend
+;;;; Programmer: Kevin M. Rosenberg
+;;;; Date Started: Feb 2002
+;;;;
+;;;; $Id: aodbc-sql.cl,v 1.1 2002/09/18 07:43:40 kevin Exp $
+;;;;
+;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;;
+;;;; CLSQL users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
+;;;; *************************************************************************
+
+(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
+(in-package :clsql-aodbc)
+
+
+;; interface foreign library loading routines
+(defmethod database-type-library-loaded ((database-type (eql :aodbc)))
+ "T if foreign library was able to be loaded successfully. "
+ (when (find-package :dbi) ;; finds Allegro's DBI (AODBC) package
+ t))
+
+(defmethod clsql-base-sys:database-type-load-foreign ((databae-type (eql :aodbc)))
+ t)
+
+(when (find-package :dbi)
+ (clsql-base-sys:database-type-load-foreign :aodbc))
+
+(defmethod database-initialize-database-type ((database-type (eql :aodbc)))
+ t)
+
+
+;; AODBC interface
+
+(defclass aodbc-database (database)
+ ((aodbc-conn :accessor database-aodbc-conn :initarg :aodbc-conn)))
+
+(defmethod database-name-from-spec (connection-spec
+ (database-type (eql :aodbc)))
+ (check-connection-spec connection-spec database-type (dsn user password))
+ (destructuring-bind (dsn user password) connection-spec
+ (declare (ignore password))
+ (concatenate 'string dsn "/" user)))
+
+(defmethod database-connect (connection-spec (database-type (eql :aodbc)))
+ (check-connection-spec connection-spec database-type (dsn user password))
+ #+aodbc-v2
+ (destructuring-bind (dsn user password) connection-spec
+ (handler-case
+ (make-instance 'aodbc-database
+ :name (database-name-from-spec connection-spec :aodbc)
+ :aodbc-conn
+ (dbi:connect :user user
+ :password password
+ :data-source-name dsn))
+ (error () ;; Init or Connect failed
+ (error 'clsql-connect-error
+ :database-type database-type
+ :connection-spec connection-spec
+ :errno nil
+ :error "Connection failed")))))
+
+(defmethod database-disconnect ((database aodbc-database))
+ #+aodbc-v2
+ (dbi:disconnect (database-aodbc-conn database))
+ (setf (database-aodbc-conn database) nil)
+ t)
+
+(defmethod database-query (query-expression (database aodbc-database) types)
+ #+aodbc-v2
+ (handler-case
+ (dbi:sql query-expression :db (database-aodbc-conn database)
+ :types types)
+ (error ()
+ (error 'clsql-sql-error
+ :database database
+ :expression query-expression
+ :errno nil
+ :error "Query failed"))))
+
+(defmethod database-execute-command (sql-expression
+ (database aodbc-database))
+ #+aodbc-v2
+ (handler-case
+ (dbi:sql sql-expression :db (database-aodbc-conn database))
+ (error ()
+ (error 'clsql-sql-error
+ :database database
+ :expression sql-expression
+ :errno nil
+ :error "Execute command failed"))))
+
+(defstruct aodbc-result-set
+ (query nil)
+ (types nil :type cons)
+ (full-set nil :type boolean))
+
+(defmethod database-query-result-set (query-expression (database aodbc-database)
+ &key full-set types)
+ #+aodbc-v2
+ (handler-case
+ (multiple-value-bind (query column-names)
+ (dbi:sql query-expression
+ :db (database-aodbc-conn database)
+ :row-count nil
+ :column-names t
+ :query t
+ :types types
+ )
+ (values
+ (make-aodbc-result-set :query query :full-set full-set
+ :types types)
+ (length column-names)
+ nil ;; not able to return number of rows with aodbc
+ ))
+ (error ()
+ (error 'clsql-sql-error
+ :database database
+ :expression query-expression
+ :errno nil
+ :error "Query result set failed"))))
+
+(defmethod database-dump-result-set (result-set (database aodbc-database))
+ #+aodbc-v2
+ (dbi:close-query (aodbc-result-set-query result-set))
+ t)
+
+(defmethod database-store-next-row (result-set
+ (database aodbc-database)
+ list)
+ #+aodbc-v2
+ (let ((row (dbi:fetch-row (aodbc-result-set-query result-set) nil 'eof)))
+ (if (eq row 'eof)
+ nil
+ (progn
+ (loop for elem in row
+ for rest on list
+ do
+ (setf (car rest) elem))
+ list))))
+
+
+(when (clsql-base-sys:database-type-library-loaded :aodbc)
+ (clsql-base-sys:initialize-database-type :database-type :aodbc))