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
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-map+
22 '((:2002AD . "KUMLS2002AD") (:2003AA . "KUMLS2003AA")
23 (:2003AB . "KUMLS2003AB")))
24 (defvar +default-umls-db+ :2003AB)
27 (defun lookup-db-name (db)
28 (cdr (assoc (ensure-keyword db) +umls-sql-map+)))
30 (defvar *umls-sql-db* +default-umls-db+)
34 (defun umls-sql-db! (db)
35 (setq *umls-sql-db* db))
37 (umls-sql-db! :2003AB)
39 (defvar *umls-sql-user* "secret")
40 (defun umls-sql-user ()
42 (defun umls-sql-user! (u)
43 (sql-disconnect-pooled)
44 (setq *umls-sql-user* u))
46 (defvar *umls-sql-passwd* "secret")
47 (defun umls-sql-passwd ()
49 (defun umls-sql-passwd! (p)
50 (sql-disconnect-pooled)
51 (setq *umls-sql-passwd* p))
53 (defvar *umls-sql-host* "localhost")
54 (defun umls-sql-host ()
56 (defun umls-sql-host! (h)
57 (sql-disconnect-pooled)
58 (setq *umls-sql-host* h))
60 (defvar *umls-sql-type* :mysql)
61 (defun umls-sql-type ()
63 (defun umls-sql-type! (h)
64 (sql-disconnect-pooled)
65 (setq *umls-sql-type* h))
68 "Connect to UMLS database, automatically used pooled connections"
69 (clsql:connect (list *umls-sql-host* (lookup-db-name *umls-sql-db*)
70 *umls-sql-user* *umls-sql-passwd*)
71 :database-type *umls-sql-type* :pool t))
73 (defun sql-disconnect (conn)
74 "Disconnect from UMLS database, but put connection back into pool"
75 (clsql:disconnect :database conn))
77 (defun sql-disconnect-pooled ()
78 (clsql:disconnect-pooled))
80 (defmacro with-sql-connection ((conn) &body body)
81 `(let ((,conn (sql-connect)))
84 (when ,conn (clsql:disconnect :database ,conn)))))
86 (defun sql (stmt conn)
87 (if (string-equal "SELECT" (subseq stmt 0 6))
89 (sql-execute stmt conn)))
91 (defun sql-query (cmd conn &key (types :auto))
92 (clsql:query cmd :database conn :types types))
94 (defun sql-execute (cmd conn)
95 (clsql:execute-command cmd :database conn))
97 (defun umls-sql (stmt)
98 (check-type stmt string)
99 (with-sql-connection (conn)
102 ;;; Pool of open connections
104 (defmacro with-mutex-sql ((conn) &body body)
105 `(let ((,conn (sql-connect)))
108 (when ,conn (sql-disconnect ,conn)))))
110 (defun mutex-sql-execute (cmd)
111 (with-mutex-sql (conn)
112 (sql-execute cmd conn)))
114 (defun mutex-sql-query (cmd &key (types :auto))
115 (with-mutex-sql (conn)
116 (sql-query cmd conn :types types)))