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
12 ;;;; This file, part of UMLisp, is
13 ;;;; Copyright (c) 2000-2004 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") (:2003AC . "KUMLS2003AC")
24 (:2004AA . "KUMLS2004AA")))
25 (defvar +default-umls-db+ :2003AC)
28 (defun lookup-db-name (db)
29 (cdr (assoc (ensure-keyword db) +umls-sql-map+)))
31 (defvar *umls-sql-db* +default-umls-db+)
35 (defun umls-sql-db! (db)
36 (setq *umls-sql-db* db))
38 (defvar *umls-sql-user* "secret")
39 (defun umls-sql-user ()
41 (defun umls-sql-user! (u)
42 (sql-disconnect-pooled)
43 (setq *umls-sql-user* u))
45 (defvar *umls-sql-passwd* "secret")
46 (defun umls-sql-passwd ()
48 (defun umls-sql-passwd! (p)
49 (sql-disconnect-pooled)
50 (setq *umls-sql-passwd* p))
52 (defvar *umls-sql-host* "localhost")
53 (defun umls-sql-host ()
55 (defun umls-sql-host! (h)
56 (sql-disconnect-pooled)
57 (setq *umls-sql-host* h))
59 (defvar *umls-sql-type* :mysql)
60 (defun umls-sql-type ()
62 (defun umls-sql-type! (h)
63 (sql-disconnect-pooled)
64 (setq *umls-sql-type* h))
67 "Connect to UMLS database, automatically used pooled connections"
68 (clsql:connect (list *umls-sql-host* (lookup-db-name *umls-sql-db*)
69 *umls-sql-user* *umls-sql-passwd*)
70 :database-type *umls-sql-type* :pool t))
72 (defun sql-disconnect (conn)
73 "Disconnect from UMLS database, but put connection back into pool"
74 (clsql:disconnect :database conn))
76 (defun sql-disconnect-pooled ()
77 (clsql:disconnect-pooled))
79 (defmacro with-sql-connection ((conn) &body body)
80 `(let ((,conn (sql-connect)))
83 (when ,conn (clsql:disconnect :database ,conn)))))
85 (defun sql (stmt conn)
86 (if (string-equal "SELECT" (subseq stmt 0 6))
88 (sql-execute stmt conn)))
90 (defun sql-query (cmd conn &key (result-types :auto))
91 (clsql:query cmd :database conn :result-types result-types :field-names nil))
93 (defun sql-execute (cmd conn)
94 (clsql:execute-command cmd :database conn))
96 (defun umls-sql (stmt)
97 (check-type stmt string)
98 (with-sql-connection (conn)
101 ;;; Pool of open connections
103 (defmacro with-mutex-sql ((conn) &body body)
104 `(let ((,conn (sql-connect)))
107 (when ,conn (sql-disconnect ,conn)))))
109 (defun mutex-sql-execute (cmd)
110 (with-mutex-sql (conn)
111 (sql-execute cmd conn)))
113 (defun mutex-sql-query (cmd &key (result-types :auto))
114 (with-mutex-sql (conn)
115 (sql-query cmd conn :result-types result-types)))