--
-- database_schema_18-3.sql
--
-- Version: $Revision$
--
-- Date:    $Date: 2012-05-29
--
-- The contents of this file are subject to the license and copyright
-- detailed in the LICENSE and NOTICE files at the root of the source
-- tree and available online at
--
-- http://www.dspace.org/license/
--

--
-- SQL commands to upgrade the database schema of a live DSpace 1.8 or 1.8.x
-- to the DSpace 3 database schema
--
-- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST.
-- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST.
-- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST.
--

ALTER TABLE resourcepolicy
  ADD (
        rpname VARCHAR2(30);
        rptype VARCHAR2(30);
        rpdescription VARCHAR2(100)
      );


ALTER TABLE item ADD discoverable NUMBER(1);

CREATE TABLE versionhistory
(
  versionhistory_id INTEGER NOT NULL PRIMARY KEY
);

CREATE TABLE versionitem
(
  versionitem_id INTEGER NOT NULL PRIMARY KEY,
  item_id INTEGER REFERENCES Item(item_id),
  version_number INTEGER,
  eperson_id INTEGER REFERENCES EPerson(eperson_id),
  version_date TIMESTAMP,
  version_summary VARCHAR2(255),
  versionhistory_id INTEGER REFERENCES VersionHistory(versionhistory_id)
);

CREATE SEQUENCE versionitem_seq;
CREATE SEQUENCE versionhistory_seq;