/usr/share/common-lisp/source/hyperobject/connect.lisp is in cl-hyperobject 2.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Name: connect.lisp
;;;; Purpose: Low-level SQL routines data for UMLisp
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
;;;; $Id$
;;;;
;;;; This file is Copyright (c) 2000-2003 by Kevin M. Rosenberg
;;;; *************************************************************************
(in-package #:hyperobject)
(defvar *ho-sql-db* "ho")
(defun ho-sql-db ()
*ho-sql-db*)
(defun ho-sql-db! (dbname)
(sql-disconnect-pooled)
(setq *ho-sql-db* dbname))
(defvar *ho-sql-user* "secret")
(defun ho-sql-user ()
*ho-sql-user*)
(defun ho-sql-user! (u)
(sql-disconnect-pooled)
(setq *ho-sql-user* u))
(defvar *ho-sql-passwd* "secret")
(defun ho-sql-passwd ()
*ho-sql-passwd*)
(defun ho-sql-passwd! (p)
(sql-disconnect-pooled)
(setq *ho-sql-passwd* p))
(defvar *ho-sql-host* "localhost")
(defun ho-sql-host ()
*ho-sql-host*)
(defun ho-sql-host! (h)
(sql-disconnect-pooled)
(setq *ho-sql-host* h))
(defvar *ho-sql-type* :mysql)
(defun ho-sql-type ()
*ho-sql-type*)
(defun ho-sql-type! (h)
(sql-disconnect-pooled)
(setq *ho-sql-type* h))
(defun sql-connect ()
"Connect to HO database, automatically used pooled connections"
(clsql:connect `(,(ho-sql-host) ,(ho-sql-db) ,(ho-sql-user) ,(ho-sql-passwd))
:database-type *ho-sql-type* :pool t))
(defun sql-disconnect (conn)
"Disconnect from HO database, but put connection back into pool"
(clsql:disconnect :database conn))
(defun sql-disconnect-pooled ()
(clsql:disconnect-pooled))
(defmacro with-sql-connection ((conn) &body body)
`(let ((,conn (sql-connect)))
(unwind-protect
(progn ,@body)
(when ,conn (clsql:disconnect :database ,conn)))))
(defun sql-query (cmd conn &key (types :auto))
(clsql:query cmd :database conn :types types))
(defun sql-execute (cmd conn)
(clsql:execute-command cmd :database conn))
;;; Pool of open connections
(defmacro with-mutex-sql ((conn) &body body)
`(let ((,conn (sql-connect)))
(unwind-protect
(progn ,@body)
(when ,conn (sql-disconnect ,conn)))))
(defun mutex-sql-execute (cmd)
(with-mutex-sql (conn)
(sql-execute cmd conn)))
(defun mutex-sql-query (cmd &key (types :auto))
(with-mutex-sql (conn)
(sql-query cmd conn :types types)))
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