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) 2000-2006 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 '((:2004aa . "KUMLS2004AA")
23 (:2006ac . "KUMLS2006AC")))
24 (defvar +default-umls-db+ :2006ac)
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 (defvar *umls-sql-user* "secret")
38 (defun umls-sql-user ()
40 (defun umls-sql-user! (u)
41 (sql-disconnect-pooled)
42 (setq *umls-sql-user* u))
44 (defvar *umls-sql-passwd* "secret")
45 (defun umls-sql-passwd ()
47 (defun umls-sql-passwd! (p)
48 (sql-disconnect-pooled)
49 (setq *umls-sql-passwd* p))
51 (defvar *umls-sql-host* "localhost")
52 (defun umls-sql-host ()
54 (defun umls-sql-host! (h)
55 (sql-disconnect-pooled)
56 (setq *umls-sql-host* h))
58 (defvar *umls-sql-type* :mysql)
59 (defun umls-sql-type ()
61 (defun umls-sql-type! (h)
62 (sql-disconnect-pooled)
63 (setq *umls-sql-type* h))
66 "Connect to UMLS database, automatically used pooled connections"
67 (clsql:connect (list *umls-sql-host* (lookup-db-name *umls-sql-db*)
68 *umls-sql-user* *umls-sql-passwd*)
69 :database-type *umls-sql-type* :pool t))
71 (defun sql-disconnect (conn)
72 "Disconnect from UMLS database, but put connection back into pool"
73 (clsql:disconnect :database conn))
75 (defun sql-disconnect-pooled ()
76 (clsql:disconnect-pooled))
78 (defmacro with-sql-connection ((conn) &body body)
79 `(let ((,conn (sql-connect)))
82 (when ,conn (clsql:disconnect :database ,conn)))))
84 (defun sql (stmt conn)
85 (if (string-equal "SELECT" (subseq stmt 0 6))
87 (sql-execute stmt conn)))
89 (defun sql-query (cmd conn &key (result-types :auto))
90 (clsql:query cmd :database conn :result-types result-types :field-names nil))
92 (defun sql-execute (cmd conn)
93 (clsql:execute-command cmd :database conn))
95 (defun umls-sql (stmt)
96 (check-type stmt string)
97 (with-sql-connection (conn)
100 ;;; Pool of open connections
102 (defmacro with-mutex-sql ((conn) &body body)
103 `(let ((,conn (sql-connect)))
106 (when ,conn (sql-disconnect ,conn)))))
108 (defun mutex-sql-execute (cmd)
109 (with-mutex-sql (conn)
110 (sql-execute cmd conn)))
112 (defun mutex-sql-query (cmd &key (result-types :auto))
113 (with-mutex-sql (conn)
114 (sql-query cmd conn :result-types result-types)))