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)
37 (setq *umls-sql-db* db))
39 (setq *umls-sql-db* (lookup-db-name db)))))
41 (defvar *umls-sql-user* "secret")
42 (defun umls-sql-user ()
44 (defun umls-sql-user! (u)
45 (sql-disconnect-pooled)
46 (setq *umls-sql-user* u))
48 (defvar *umls-sql-passwd* "secret")
49 (defun umls-sql-passwd ()
51 (defun umls-sql-passwd! (p)
52 (sql-disconnect-pooled)
53 (setq *umls-sql-passwd* p))
55 (defvar *umls-sql-host* "localhost")
56 (defun umls-sql-host ()
58 (defun umls-sql-host! (h)
59 (sql-disconnect-pooled)
60 (setq *umls-sql-host* h))
62 (defvar *umls-sql-type* :mysql)
63 (defun umls-sql-type ()
65 (defun umls-sql-type! (h)
66 (sql-disconnect-pooled)
67 (setq *umls-sql-type* h))
69 (defun umls-connection-spec ()
70 (list *umls-sql-host* *umls-sql-db*
71 *umls-sql-user* *umls-sql-passwd*))
74 "Connect to UMLS database, automatically used pooled connections"
75 (clsql:connect (umls-connection-spec)
76 :database-type *umls-sql-type* :pool t))
78 (defun sql-disconnect (conn)
79 "Disconnect from UMLS database, but put connection back into pool"
80 (clsql:disconnect :database conn))
82 (defun sql-disconnect-pooled ()
83 (clsql:disconnect-pooled))
85 (defmacro with-sql-connection ((conn) &body body)
86 `(let ((,conn (sql-connect)))
89 (when ,conn (clsql:disconnect :database ,conn)))))
91 (defun sql-query (cmd conn &key (result-types :auto))
92 (clsql:query cmd :database conn :result-types result-types :field-names nil))
94 (defun sql-execute (cmd conn)
95 (clsql:execute-command cmd :database conn))
97 (defun sql (stmt conn)
98 (if (string-equal "SELECT" (subseq stmt 0 6))
100 (sql-execute stmt conn)))
102 (defun umls-sql (stmt)
103 (check-type stmt string)
104 (with-sql-connection (conn)
107 ;;; Pool of open connections
109 (defmacro with-mutex-sql ((conn) &body body)
110 `(let ((,conn (sql-connect)))
113 (when ,conn (sql-disconnect ,conn)))))
115 (defun mutex-sql-execute (cmd)
116 (with-mutex-sql (conn)
117 (sql-execute cmd conn)))
119 (defun mutex-sql-query (cmd &key (result-types :auto))
120 (with-mutex-sql (conn)
121 (sql-query cmd conn :result-types result-types)))