1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: umlisp -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
6 ;;;; Purpose: Low-level SQL routines data for UMLisp
7 ;;;; Author: Kevin M. Rosenberg
8 ;;;; Date Started: Apr 2000
10 ;;;; $Id: sql.lisp,v 1.13 2003/07/22 01:54:39 kevin Exp $
12 ;;;; This file, part of UMLisp, is
13 ;;;; Copyright (c) 2000-2003 by Kevin M. Rosenberg, M.D.
15 ;;;; UMLisp users are granted the rights to distribute and use this software
16 ;;;; as governed by the terms of the GNU General Public License.
17 ;;;; *************************************************************************
21 (defvar *umls-sql-db* "KUMLS2003AB")
24 (defun umls-sql-db! (dbname)
25 (sql-disconnect-pooled)
26 (setq *umls-sql-db* dbname))
28 (defvar *umls-sql-user* "secret")
29 (defun umls-sql-user ()
31 (defun umls-sql-user! (u)
32 (sql-disconnect-pooled)
33 (setq *umls-sql-user* u))
35 (defvar *umls-sql-passwd* "secret")
36 (defun umls-sql-passwd ()
38 (defun umls-sql-passwd! (p)
39 (sql-disconnect-pooled)
40 (setq *umls-sql-passwd* p))
42 (defvar *umls-sql-host* "localhost")
43 (defun umls-sql-host ()
45 (defun umls-sql-host! (h)
46 (sql-disconnect-pooled)
47 (setq *umls-sql-host* h))
49 (defvar *umls-sql-type* :mysql)
50 (defun umls-sql-type ()
52 (defun umls-sql-type! (h)
53 (sql-disconnect-pooled)
54 (setq *umls-sql-type* h))
57 "Connect to UMLS database, automatically used pooled connections"
59 `(,(umls-sql-host) ,(umls-sql-db) ,(umls-sql-user) ,(umls-sql-passwd))
60 :database-type *umls-sql-type* :pool t))
62 (defun sql-disconnect (conn)
63 "Disconnect from UMLS database, but put connection back into pool"
64 (clsql:disconnect :database conn))
66 (defun sql-disconnect-pooled ()
67 (clsql:disconnect-pooled))
69 (defmacro with-sql-connection ((conn) &body body)
70 `(let ((,conn (sql-connect)))
73 (when ,conn (clsql:disconnect :database ,conn)))))
75 (defun sql (stmt conn)
76 (if (string-equal "SELECT" (subseq stmt 0 6))
78 (sql-execute stmt conn)))
80 (defun sql-query (cmd conn &key (types :auto))
81 (clsql:query cmd :database conn :types types))
83 (defun sql-execute (cmd conn)
84 (clsql:execute-command cmd :database conn))
86 (defun umls-sql (stmt)
87 (check-type stmt string)
88 (with-sql-connection (conn)
91 ;;; Pool of open connections
93 (defmacro with-mutex-sql ((conn) &body body)
94 `(let ((,conn (sql-connect)))
97 (when ,conn (sql-disconnect ,conn)))))
99 (defun mutex-sql-execute (cmd)
100 (with-mutex-sql (conn)
101 (sql-execute cmd conn)))
103 (defun mutex-sql-query (cmd &key (types :auto))
104 (with-mutex-sql (conn)
105 (sql-query cmd conn :types types)))