Metacat

/**

 *  '$RCSfile$'

 *  Copyright: 2004 Regents of the University of California and the

 *             National Center for Ecological Analysis and Synthesis

 *

 *   '$Author$'

 *     '$Date$'

 * '$Revision$'

 *

 * 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

 */

/*

 *	this is sql script does the same as the sql script named

 *	xmltables.sql except that this script is to be use to

 *	create the database tables on a Postgresql backend rather

 *	than an Oracle Backend

 */

/*

 *Replication -- table to store servers that metacat is replicated to

 */

CREATE SEQUENCE xml_replication_id_seq;

CREATE TABLE xml_replication (

  serverid INT8 default nextval('xml_replication_id_seq'),

  server VARCHAR(512),

  last_checked DATE,

  replicate INT8,

  datareplicate INT8,

  hub INT8,

  CONSTRAINT xml_replication_pk PRIMARY KEY (serverid)

);

INSERT INTO xml_replication (server, replicate, datareplicate, hub) VALUES ('localhost', '0', '0', '0');

/*

 * Nodes -- table to store XML Nodes (both elements and attributes)

 */

CREATE SEQUENCE xml_nodes_id_seq;

CREATE TABLE xml_nodes (

	nodeid INT8 default nextval('xml_nodes_id_seq'),

					-- the unique node id (pk)

	nodeindex INT8,		-- order of nodes within parent

	nodetype VARCHAR(20),	-- type (DOCUMENT, COMMENT, PI,

        nodeprefix VARCHAR(50), -- the namespace prefix of the node

				-- for TEXT it is the content)

	parentnodeid INT8,	-- index of the parent of this node

	rootnodeid INT8,	-- index of the root node of this tree

	date_created DATE,

	date_updated DATE,

				  -- if it is a number

   CONSTRAINT xml_nodes_root_fk

		FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,

   CONSTRAINT xml_nodes_parent_fk

		FOREIGN KEY (parentnodeid) REFERENCES xml_nodes

);

/*

 * Indexes of rootnodeid, parentnodeid, and nodename in xml_nodes

 */

CREATE INDEX xml_nodes_idx1 ON xml_nodes (rootnodeid);

CREATE INDEX xml_nodes_idx2 ON xml_nodes (parentnodeid);

CREATE INDEX xml_nodes_idx3 ON xml_nodes (nodename);

/*

 * XML Catalog -- table to store all external sources for XML documents

 */

CREATE SEQUENCE xml_catalog_id_seq;

CREATE TABLE xml_catalog (

	catalog_id INT8 default nextval('xml_catalog_id_seq'),

                                        -- the id for this catalog entry

	entry_type VARCHAR(500),	-- the type of this catalog entry

					-- (e.g., DTD, XSD, XSL)

	source_doctype VARCHAR(500),	-- the source public_id for transforms

	target_doctype VARCHAR(500),	-- the target public_id for transforms

	public_id VARCHAR(500),	-- the unique id for this type

	system_id VARCHAR(1000),	-- the local location of the object

   CONSTRAINT xml_catalog_pk PRIMARY KEY (catalog_id),

   CONSTRAINT xml_catalog_uk UNIQUE

              (entry_type, source_doctype, target_doctype, public_id)

);

/*

 * Sequence to get uniqueID for Accession #

 */

CREATE SEQUENCE xml_documents_id_seq;

/*

 * Documents -- table to store XML documents

 */

CREATE TABLE xml_documents (

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

	rootnodeid INT8,		-- reference to root node of the DOM

	docname VARCHAR(100),	-- usually the root element name

	doctype VARCHAR(100),	-- public id indicating document type

	user_owner VARCHAR(100),	-- the user owned the document

	user_updated VARCHAR(100),	-- the user updated the document

	server_location INT8,	-- the server on which this document resides

	rev INT8 default 1,   -- the revision number of the document

	date_created DATE,

	date_updated DATE,

	public_access INT8,	-- flag for public access

        catalog_id INT8,	-- reference to xml_catalog

     CONSTRAINT xml_documents_pk PRIMARY KEY (docid),

     CONSTRAINT xml_documents_rep_fk

     		FOREIGN KEY (server_location) REFERENCES xml_replication,

    CONSTRAINT xml_documents_root_fk

		FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,

   CONSTRAINT xml_documents_catalog_fk

		FOREIGN KEY (catalog_id) REFERENCES xml_catalog

);

/*

 * Index of <docid,doctype> in xml_document

 */

CREATE INDEX xml_documents_idx1 ON xml_documents (docid, doctype);

/*

 * Revised Documents -- table to store XML documents saved after an UPDATE

 *                    or DELETE

 */

CREATE SEQUENCE xml_revisions_id_seq;

CREATE TABLE xml_revisions (

	revisionid INT8  default nextval('xml_revisions_id_seq'),

                                        -- the revision number we are saving

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

	rootnodeid INT8,		-- reference to root node of the DOM

	docname VARCHAR(100),	-- usually the root element name

	doctype VARCHAR(100),	-- public id indicating document type

	user_owner VARCHAR(100),

	user_updated VARCHAR(100),

	server_location INT8,

	rev INT8,

	date_created DATE,

	date_updated DATE,

	public_access INT8,	-- flag for public access

        catalog_id INT8,	-- reference to xml_catalog

   CONSTRAINT xml_revisions_pk PRIMARY KEY (revisionid),

   CONSTRAINT xml_revisions_rep_fk

		FOREIGN KEY (server_location) REFERENCES xml_replication,

   CONSTRAINT xml_revisions_root_fk

		FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,

   CONSTRAINT xml_revisions_catalog_fk

		FOREIGN KEY (catalog_id) REFERENCES xml_catalog

);

/*

 * ACL -- table to store ACL for XML documents by principals

 */

CREATE TABLE xml_access (

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

	accessfileid VARCHAR(250),	-- the document id # for the access file

	principal_name VARCHAR(100),	-- name of user, group, etc.

	permission INT8,		-- "read", "write", "all"

	perm_type VARCHAR(32),	-- "allowed" or "denied"

	perm_order VARCHAR(32),	-- "allow first" or "deny first"

	begin_time DATE,		-- the time that permission begins

	end_time DATE,		-- the time that permission ends

	ticket_count INT8,		-- ticket counter for that permission

  subtreeid VARCHAR(32),

  startnodeid INT8,

  endnodeid INT8,

   CONSTRAINT xml_access_ck CHECK (begin_time < end_time),

   CONSTRAINT xml_access_accessfileid_fk

		FOREIGN KEY (accessfileid) REFERENCES xml_documents

);

/*

 * Index of Nodes -- table to store precomputed paths through tree for

 * quick searching in structured searches

 */

CREATE TABLE xml_index (

	nodeid INT8,		-- the unique node id

	path VARCHAR(1000),	-- precomputed path through tree

	docid VARCHAR(250),	-- index to the document id

	doctype VARCHAR(100),	-- public id indicating document type

        parentnodeid INT8,     -- id of the parent of the node represented

					-- by this row

   CONSTRAINT xml_index_pk PRIMARY KEY (nodeid,path),

   CONSTRAINT xml_index_nodeid_fk FOREIGN KEY (nodeid) REFERENCES xml_nodes,

   CONSTRAINT xml_index_docid_fk

		FOREIGN KEY (docid) REFERENCES xml_documents

);

/*

 * Index of the paths in xml_index

 */

CREATE INDEX xml_index_idx1 ON xml_index (path);

CREATE SEQUENCE xml_relation_id_seq;

CREATE TABLE xml_relation (

	relationid INT8 default nextval('xml_relation_id_seq') PRIMARY KEY,

					     -- unique id

	docid VARCHAR(250) ,         -- the docid of the package file

	                                     -- that this relation came from

        packagetype VARCHAR(250),          -- the type of the package

	subject VARCHAR(512) NOT NULL, -- the subject of the relation

	subdoctype VARCHAR(128),         	-- the doctype of the subject

	relationship VARCHAR(128)  NOT NULL,-- the relationship type

	object VARCHAR(512) NOT NULL, -- the object of the relation

	objdoctype VARCHAR(128),          -- the doctype of the object

	CONSTRAINT xml_relation_uk UNIQUE (docid, subject, relationship, object),

	CONSTRAINT xml_relation_docid_fk

		FOREIGN KEY (docid) REFERENCES xml_documents

);

/*

 * Table used as Unique ID generator for the uniqueid part of Accession#

 */

CREATE SEQUENCE accession_number_id_seq;

CREATE TABLE accession_number (

   uniqueid INT8 default nextval('accession_number_id_seq') PRIMARY KEY,

   site_code VARCHAR(100),

   date_created DATE

);

/*

 * accesssubtree -- table to store access subtree info

 */

CREATE TABLE xml_accesssubtree (

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

  rev 		INT8 default 1, --the revision number of the docume

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

  subtreeid VARCHAR(250), -- the subtree id

	startnodeid	INT8,	-- the start node id of access subtree

  endnodeid INT8, -- the end node if of access subtree

  CONSTRAINT xml_accesssubtree_docid_fk

		FOREIGN KEY (docid) REFERENCES xml_documents

);

/*

 * Logging -- table to store metadata and data access log

 */

CREATE SEQUENCE access_log_id_seq;

CREATE TABLE access_log (

  entryid       INT8 default nextval ('access_log_id_seq'), -- the identifier for the log event

  ip_address    VARCHAR(512),   -- the ip address inititiating the event

  principal     VARCHAR(512),   -- the user initiiating the event

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

  event         VARCHAR(512),   -- the code symbolizing the event type

  date_logged   TIMESTAMP,      -- the datetime on which the event occurred

  CONSTRAINT access_log_pk PRIMARY KEY (entryid)

);

/*

 * harvest_site_schedule -- table to store harvest sites and schedule info

 */

CREATE TABLE harvest_site_schedule (

  site_schedule_id INT8,         -- unique id

  documentlisturl  VARCHAR(255), -- URL of the site harvest document list

  ldapdn           VARCHAR(255), -- LDAP distinguished name for site account

  datenextharvest  DATE,         -- scheduled date of next harvest

  datelastharvest  DATE,         -- recorded date of last harvest

  updatefrequency  INT8,         -- the harvest update frequency

  unit             VARCHAR(50),  -- update unit -- days weeks or months

  contact_email    VARCHAR(50),  -- email address of the site contact person

  ldappwd          VARCHAR(20),  -- LDAP password for site account

  CONSTRAINT harvest_site_schedule_pk PRIMARY KEY (site_schedule_id)

);

/*

 * harvest_log -- table to log entries for harvest operations

 */

CREATE TABLE harvest_log (

  harvest_log_id         INT8,          -- unique id

  harvest_date           DATE,          -- date of the current harvest

  status                 INT8,          -- non-zero indicates an error status

  message                VARCHAR(1000), -- text message for this log entry

  harvest_operation_code VARCHAR(30),   -- the type of harvest operation

  site_schedule_id       INT8,          -- site schedule id, or 0 if no site

  CONSTRAINT harvest_log_pk PRIMARY KEY (harvest_log_id)

);

/*

 * harvest_detail_log -- table to log detailed info about documents that

 *                       generated errors during the harvest

 */

CREATE TABLE harvest_detail_log (

  detail_log_id          INT8,          -- unique id

  harvest_log_id         INT8,          -- ponter to the related log entry

  scope                  VARCHAR(50),   -- document scope

  identifier             INT8,          -- document identifier

  revision               INT8,          -- document revision

  document_url           VARCHAR(255),  -- document URL

  error_message          VARCHAR(1000), -- text error message

  document_type          VARCHAR(100),  -- document type

  CONSTRAINT harvest_detail_log_pk PRIMARY KEY (detail_log_id),

  CONSTRAINT harvest_detail_log_fk

        FOREIGN KEY (harvest_log_id) REFERENCES harvest_log

);