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/**
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 *  '$RCSfile$'
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 *  Copyright: 2004 Regents of the University of California and the
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 *             National Center for Ecological Analysis and Synthesis
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 *
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 *   '$Author$'
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 *     '$Date$'
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 * '$Revision$'
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */
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/*
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 *Logging -- table to store metadata and data access log
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 */
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CREATE SEQUENCE access_log_id_seq;
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CREATE TABLE access_log (
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  entryid       INT8 default nextval ('access_log_id_seq'), -- the identifier for the log event
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  ip_address    VARCHAR(512),   -- the ip address inititiating the event
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  principal     VARCHAR(512),   -- the user initiiating the event
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  docid         VARCHAR(250),	-- the document id #
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  event         VARCHAR(512),   -- the code symbolizing the event type
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  date_logged   TIMESTAMP,      -- the datetime on which the event occurred
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  CONSTRAINT access_log_pk PRIMARY KEY (entryid)
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);
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/*
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 * harvest_site_schedule -- table to store harvest sites and schedule info
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 */
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CREATE TABLE harvest_site_schedule (
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  site_schedule_id INT8,         -- unique id
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  documentlisturl  VARCHAR(255), -- URL of the site harvest document list
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  ldapdn           VARCHAR(255), -- LDAP distinguished name for site account
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  datenextharvest  DATE,         -- scheduled date of next harvest
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  datelastharvest  DATE,         -- recorded date of last harvest
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  updatefrequency  INT8,         -- the harvest update frequency
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  unit             VARCHAR(50),  -- update unit -- days weeks or months
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  contact_email    VARCHAR(50),  -- email address of the site contact person
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  ldappwd          VARCHAR(20),  -- LDAP password for site account
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  CONSTRAINT harvest_site_schedule_pk PRIMARY KEY (site_schedule_id)
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);
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/*
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 * harvest_log -- table to log entries for harvest operations
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 */
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CREATE TABLE harvest_log (
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  harvest_log_id         INT8,          -- unique id
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  harvest_date           DATE,          -- date of the current harvest
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  status                 INT8,          -- non-zero indicates an error status
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  message                VARCHAR(1000), -- text message for this log entry
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  harvest_operation_code VARCHAR(30),   -- the type of harvest operation
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  site_schedule_id       INT8,          -- site schedule id, or 0 if no site
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  CONSTRAINT harvest_log_pk PRIMARY KEY (harvest_log_id)
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);
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/*
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 * harvest_detail_log -- table to log detailed info about documents that
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 *                       generated errors during the harvest
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 */
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CREATE TABLE harvest_detail_log (
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  detail_log_id          INT8,          -- unique id
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  harvest_log_id         INT8,          -- ponter to the related log entry
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  scope                  VARCHAR(50),   -- document scope
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  identifier             INT8,          -- document identifier
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  revision               INT8,          -- document revision
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  document_url           VARCHAR(255), -- document URL
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  error_message          VARCHAR(1000), -- text error message
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  document_type          VARCHAR(100),  -- document type
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  CONSTRAINT harvest_detail_log_pk PRIMARY KEY (detail_log_id),
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  CONSTRAINT harvest_detail_log_fk
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        FOREIGN KEY (harvest_log_id) REFERENCES harvest_log
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);