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 (:2006ad . "MTS2006AD")))
25 (defvar +default-umls-db+ "MTS2006AD")
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)
38 (setq *umls-sql-db* db))
40 (setq *umls-sql-db* (lookup-db-name db)))))
42 (defvar *umls-sql-user* "secret")
43 (defun umls-sql-user ()
45 (defun umls-sql-user! (u)
46 (sql-disconnect-pooled)
47 (setq *umls-sql-user* u))
49 (defvar *umls-sql-passwd* "secret")
50 (defun umls-sql-passwd ()
52 (defun umls-sql-passwd! (p)
53 (sql-disconnect-pooled)
54 (setq *umls-sql-passwd* p))
56 (defvar *umls-sql-host* "localhost")
57 (defun umls-sql-host ()
59 (defun umls-sql-host! (h)
60 (sql-disconnect-pooled)
61 (setq *umls-sql-host* h))
63 (defvar *umls-sql-type* :mysql)
64 (defun umls-sql-type ()
66 (defun umls-sql-type! (h)
67 (sql-disconnect-pooled)
68 (setq *umls-sql-type* h))
70 (defun umls-connection-spec ()
71 (list *umls-sql-host* *umls-sql-db*
72 *umls-sql-user* *umls-sql-passwd*))
75 "Connect to UMLS database, automatically used pooled connections"
76 (clsql:connect (umls-connection-spec)
77 :database-type *umls-sql-type* :pool t))
79 (defun sql-disconnect (conn)
80 "Disconnect from UMLS database, but put connection back into pool"
81 (clsql:disconnect :database conn))
83 (defun sql-disconnect-pooled ()
84 (clsql:disconnect-pooled))
86 (defmacro with-sql-connection ((conn) &body body)
87 `(let ((,conn (sql-connect)))
90 (when ,conn (clsql:disconnect :database ,conn)))))
92 (defun sql-query (cmd conn &key (result-types :auto))
93 (clsql:query cmd :database conn :result-types result-types :field-names nil))
95 (defun sql-execute (cmd conn)
96 (clsql:execute-command cmd :database conn))
98 (defun sql (stmt conn)
99 (if (string-equal "SELECT" (subseq stmt 0 6))
100 (sql-query stmt conn)
101 (sql-execute stmt conn)))
103 (defun umls-sql (stmt)
104 (check-type stmt string)
105 (with-sql-connection (conn)
108 ;;; Pool of open connections
110 (defmacro with-mutex-sql ((conn) &body body)
111 `(let ((,conn (sql-connect)))
114 (when ,conn (sql-disconnect ,conn)))))
116 (defun mutex-sql-execute (cmd)
117 (with-mutex-sql (conn)
118 (sql-execute cmd conn)))
120 (defun mutex-sql-query (cmd &key (result-types :auto))
121 (with-mutex-sql (conn)
122 (sql-query cmd conn :result-types result-types)))