Metacat

/*

 * xmlreplicationtables.sql -- Add three columns to xml_access tables

 * in Production Metacat

 *

 *      Created: 07/14/2002

 *       Author: Jing Tao

 * Organization: National Center for Ecological Analysis and Synthesis

 *    Copyright: 2000 Regents of the University of California and the

 *               National Center for Ecological Analysis and Synthesis

 *  For Details: http://www.nceas.ucsb.edu/

 *    File Info: '$Id$'

 *

 */

/*

 * Add three columns to xml_access

 */

ALTER TABLE xml_access ADD (subtreeid VARCHAR2(32), startnodeid NUMBER(20), endnodeid NUMBER(20) );

/*

 * accesssubtree -- table to store access subtree info

 */

CREATE TABLE xml_accesssubtree (

	docid		VARCHAR2(250),	-- the document id #

  rev 		NUMBER(10) DEFAULT 1, --the revision number of the docume

  controllevel VARCHAR2(50), -- the level it control -- document or subtree

  subtreeid VARCHAR2(250), -- the subtree id

	startnodeid	NUMBER(20),	-- the start node id of access subtree

  endnodeid NUMBER(20), -- the end node if of access subtree

  CONSTRAINT xml_accesssubtree_docid_fk

		FOREIGN KEY (docid) REFERENCES xml_documents

);

/*

 * Drop the constrain in xml_relation table for (subject, relationship, object)

 * Add the new constrain in xml_relation table for (docid, subject, relationship, object)

 */

ALTER TABLE xml_relation DROP CONSTRAINT xml_relation_uk;

ALTER TABLE xml_relation ADD  CONSTRAINT xml_relation_uk UNIQUE (docid, subject, relationship, object);