/**
 *  '$RCSfile$'
 *  Copyright: 2004 Regents of the University of California and the
 *             National Center for Ecological Analysis and Synthesis
 *
 *   '$Author: jones $'
 *     '$Date: 2004-04-02 11:43:13 -0800 (Fri, 02 Apr 2004) $'
 * '$Revision: 2101 $'
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
/*
 * Logging -- table to store metadata and data access log
 */
CREATE TABLE access_log (
  entryid       NUMBER(20),     -- the identifier for the log event
  ip_address    VARCHAR2(512),  -- the ip address inititiating the event
  principal     VARCHAR2(512),  -- the user initiiating the event
  docid         VARCHAR2(250),	-- the document id #
  event         VARCHAR2(512),  -- the code symbolizing the event type
  date_logged   DATE,           -- the datetime on which the event occurred
  CONSTRAINT access_log_pk PRIMARY KEY (entryid)
);  
 
CREATE SEQUENCE access_log_id_seq;
CREATE TRIGGER access_log_before_insert
BEFORE INSERT ON access_log FOR EACH ROW
BEGIN
  SELECT access_log_id_seq.nextval
    INTO :new.entryid
    FROM dual;
END;
/