Metacat

DROP SEQUENCE xml_documents_id_seq;

DROP SEQUENCE accession_number_id_seq;

DROP SEQUENCE access_log_seq;

/* Drop triggers are not necessary */

DROP TRIGGER xml_nodes_before_insert;

DROP TRIGGER xml_revisions_before_insert;

DROP TRIGGER xml_replication_before_insert;

DROP TRIGGER accession_number_before_insert;

DROP TRIGGER access_log_before_insert;

DROP TABLE xml_index;

DROP TABLE xml_access;

DROP TABLE xml_accesssubtree;

DROP TABLE harvest_site_schedule;

DROP TABLE harvest_detail_log;

DROP TABLE harvest_log;

/*

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

  datareplicate NUMBER(1),

  hub NUMBER(1),

  CONSTRAINT xml_replication_pk PRIMARY KEY (serverid)

CREATE SEQUENCE xml_replication_id_seq;

CREATE TRIGGER xml_replication_before_insert

BEFORE INSERT ON xml_replication FOR EACH ROW

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;

	nodename	VARCHAR2(250),	-- the name of an element or attribute

	nodeprefix	VARCHAR2(50),	-- the namespace prefix of an element

                                        -- or attribute

					-- for TEXT it is the content)

	parentnodeid	NUMBER(20),	-- index of the parent of this node

	rootnodeid	NUMBER(20),	-- index of the root node of this tree

	docid		VARCHAR2(250),	-- index to the document id

	date_created	DATE,

	date_updated	DATE,

					-- it is a number

   CONSTRAINT xml_nodes_pk PRIMARY KEY (nodeid),

		FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,

		FOREIGN KEY (parentnodeid) REFERENCES xml_nodes

);

CREATE TRIGGER xml_nodes_before_insert

BEGIN

  SELECT xml_nodes_id_seq.nextval

    INTO :new.nodeid

/

 * 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 TABLE xml_catalog (

	public_id	VARCHAR2(500),	-- the unique id for this type

	system_id	VARCHAR2(1000),	-- the local location of the object

   CONSTRAINT xml_catalog_pk PRIMARY KEY (catalog_id),

		(entry_type, source_doctype, target_doctype, public_id)

);

END;

/

 * Documents -- table to store XML documents

 */

CREATE TABLE xml_documents (

	doctype		VARCHAR2(100),	-- public id indicating document type

	user_owner	VARCHAR2(100),	-- the user owned the document

	user_updated	VARCHAR2(100),	-- the user updated the document

                                        -- originates

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

	date_created	DATE,

	date_updated	DATE,

	public_access	NUMBER(1),	-- flag for public access

   CONSTRAINT xml_documents_pk PRIMARY KEY (docid),

   CONSTRAINT xml_documents_rep_fk

		FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,

		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

 */

	date_created	DATE,

	date_updated	DATE,

	public_access	NUMBER(1),	-- flag for public access

   CONSTRAINT xml_revisions_pk PRIMARY KEY (revisionid),

   CONSTRAINT xml_revisions_rep_fk

		FOREIGN KEY (server_location) REFERENCES xml_replication,

		FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,

		FOREIGN KEY (catalog_id) REFERENCES xml_catalog

);

END;

/

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

 */

CREATE TABLE xml_access (

  startnodeid NUMBER(20), -- start node for sub tree

  endnodeid NUMBER(20),    -- end node for sub tree

   CONSTRAINT xml_access_ck CHECK (begin_time < end_time),

		FOREIGN KEY (accessfileid) REFERENCES xml_documents

);

 * quick searching in structured searches

 */

CREATE TABLE xml_index (

	path		VARCHAR2(1000),	-- precomputed path through tree

	docid		VARCHAR2(250),	-- index to the document id

	doctype		VARCHAR2(100),	-- public id indicating document type

					-- represented by this row

   CONSTRAINT xml_index_pk PRIMARY KEY (nodeid,path),

   CONSTRAINT xml_index_nodeid_fk FOREIGN KEY (nodeid) REFERENCES xml_nodes,

		FOREIGN KEY (docid) REFERENCES xml_documents

);

 */

CREATE INDEX xml_index_idx1 ON xml_index (path);

CREATE INDEX xml_index_idx2 ON xml_index (docid);

	object        VARCHAR2(512) NOT NULL, -- the object of the relation

	objdoctype    VARCHAR2(128),          -- the doctype of the object

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

		FOREIGN KEY (docid) REFERENCES xml_documents

  );

CREATE SEQUENCE xml_relation_id_seq;

CREATE TRIGGER xml_relation_before_insert

BEFORE INSERT ON xml_relation FOR EACH ROW

BEGIN

  SELECT xml_relation_id_seq.nextval

    INTO :new.relationid

    FROM dual;

/

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

 */

CREATE SEQUENCE accession_number_id_seq;

  SELECT accession_number_id_seq.nextval

    INTO :new.uniqueid

    FROM dual;

/

 */

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

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

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

		FOREIGN KEY (docid) REFERENCES xml_documents

);

/*

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

 */

CREATE TABLE access_log (

END;

/

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

 */

CREATE TABLE harvest_site_schedule (

  CONSTRAINT harvest_site_schedule_pk PRIMARY KEY (site_schedule_id)

);

 * harvest_log -- table to log entries for harvest operations

 */

CREATE TABLE harvest_log (

  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

 */

  error_message          VARCHAR2(1000), -- text error message

  document_type          VARCHAR2(100),  -- document type

  CONSTRAINT harvest_detail_log_pk PRIMARY KEY (detail_log_id),

        FOREIGN KEY (harvest_log_id) REFERENCES harvest_log

);