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 '((:2004aa . "KUMLS2004AA")))
23 (defvar +default-umls-db+ :2004aa)
26 (defun lookup-db-name (db)
27 (cdr (assoc (ensure-keyword db) +umls-sql-map+)))
29 (defvar *umls-sql-db* +default-umls-db+)
33 (defun umls-sql-db! (db)
34 (setq *umls-sql-db* db))
36 (defvar *umls-sql-user* "secret")
37 (defun umls-sql-user ()
39 (defun umls-sql-user! (u)
40 (sql-disconnect-pooled)
41 (setq *umls-sql-user* u))
43 (defvar *umls-sql-passwd* "secret")
44 (defun umls-sql-passwd ()
46 (defun umls-sql-passwd! (p)
47 (sql-disconnect-pooled)
48 (setq *umls-sql-passwd* p))
50 (defvar *umls-sql-host* "localhost")
51 (defun umls-sql-host ()
53 (defun umls-sql-host! (h)
54 (sql-disconnect-pooled)
55 (setq *umls-sql-host* h))
57 (defvar *umls-sql-type* :mysql)
58 (defun umls-sql-type ()
60 (defun umls-sql-type! (h)
61 (sql-disconnect-pooled)
62 (setq *umls-sql-type* h))
65 "Connect to UMLS database, automatically used pooled connections"
66 (clsql:connect (list *umls-sql-host* (lookup-db-name *umls-sql-db*)
67 *umls-sql-user* *umls-sql-passwd*)
68 :database-type *umls-sql-type* :pool t))
70 (defun sql-disconnect (conn)
71 "Disconnect from UMLS database, but put connection back into pool"
72 (clsql:disconnect :database conn))
74 (defun sql-disconnect-pooled ()
75 (clsql:disconnect-pooled))
77 (defmacro with-sql-connection ((conn) &body body)
78 `(let ((,conn (sql-connect)))
81 (when ,conn (clsql:disconnect :database ,conn)))))
83 (defun sql (stmt conn)
84 (if (string-equal "SELECT" (subseq stmt 0 6))
86 (sql-execute stmt conn)))
88 (defun sql-query (cmd conn &key (result-types :auto))
89 (clsql:query cmd :database conn :result-types result-types :field-names nil))
91 (defun sql-execute (cmd conn)
92 (clsql:execute-command cmd :database conn))
94 (defun umls-sql (stmt)
95 (check-type stmt string)
96 (with-sql-connection (conn)
99 ;;; Pool of open connections
101 (defmacro with-mutex-sql ((conn) &body body)
102 `(let ((,conn (sql-connect)))
105 (when ,conn (sql-disconnect ,conn)))))
107 (defun mutex-sql-execute (cmd)
108 (with-mutex-sql (conn)
109 (sql-execute cmd conn)))
111 (defun mutex-sql-query (cmd &key (result-types :auto))
112 (with-mutex-sql (conn)
113 (sql-query cmd conn :result-types result-types)))