Metacat

CREATE TABLE systemMetadata (

   guid   VARCHAR2(2000),    -- the globally unique string identifier

   serial_version VARCHAR2(256), --the serial version of the object

   date_uploaded DATE, -- the date/time the document was first submitted

   rights_holder VARCHAR2(250), --the user who has rights to the document, usually the first persons to upload it

   checksum VARCHAR2(512), --the checksum of the doc using the given algorithm (see below)

   checksum_algorithm VARCHAR2(250), --the algorithm used to calculate the checksum

   origin_member_node VARCHAR2(250), --the member node where the document was first uploaded

   authoritive_member_node VARCHAR2(250), --the member node that currently controls the document

   date_modified DATE, -- the last date/time that the file was changed

   submitter VARCHAR2(256), -- the user who originally submitted the doc

   object_format VARCHAR2(256), --the format of the object

   size VARCHAR2(256), --the size of the object

   archived boolean,	 -- specifies whether this an archived object

   replication_allowed boolean,	 -- replication allowed

   number_replicas NUMBER(8), 	-- the number of replicas allowed

   obsoletes   VARCHAR2(2000),    -- the identifier of the record that this replaces

   obsoleted_by   VARCHAR2(2000),    -- the identifier of the record that replaces this record

   CONSTRAINT systemMetadata_pk 

		PRIMARY KEY (guid)

)

CREATE TABLE systemMetadataReplicationPolicy (

	guid VARCHAR2(2000),	-- the globally unique string identifier of the object that the system metadata describes

	member_node VARCHAR(250),	 -- replication member node

	policy VARCHAR2(2000),	 -- the policy (preferred, blocked, etc...TBD)

	CONSTRAINT systemMetadataReplicationPolicy_fk 

		FOREIGN KEY (guid) REFERENCES systemMetadata DEFERRABLE

);

CREATE TABLE systemMetadataReplicationStatus (

	guid VARCHAR2(2000),	-- the globally unique string identifier of the object that the system metadata describes

	member_node VARCHAR(250),	 -- replication member node

	status VARCHAR(250),	 -- replication status

	date_verified DATE, 	-- the date replication was verified   

	CONSTRAINT systemMetadataReplicationStatus_fk 

		FOREIGN KEY (guid) REFERENCES systemMetadata DEFERRABLE

);

DROP TABLE IF EXISTS identifier;

CREATE TABLE identifier (

   guid   VARCHAR2(2000), -- the globally unique string identifier

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

   rev    NUMBER(8)       -- the revision part of the local identifier

);

/**

 * track the user-agent for the request

 */

ALTER TABLE access_log ADD COLUMN user_agent VARCHAR2(512);

/*

 * add the nodedatadate column to xml_nodes 

 * TODO: load the data into it (java?)

 */

ALTER TABLE xml_nodes ADD COLUMN nodedatadate TIMESTAMP;

ALTER TABLE xml_nodes_revisions ADD COLUMN nodedatadate TIMESTAMP;

ALTER TABLE xml_path_index ADD COLUMN nodedatadate TIMESTAMP;

CREATE INDEX xml_path_index_idx4 ON xml_path_index (nodedatadate);

/*

 * Register the new schema

 */

INSERT INTO xml_catalog (entry_type, public_id, system_id)

  VALUES ('Schema', '@eml2_1_1namespace@', '/schema/eml-2.1.1/eml.xsd');

/**

 * Generate GUIDs for docid.rev

 */

INSERT INTO identifier (docid, rev, guid) 

	SELECT docid, rev, docid || '.' || rev FROM xml_documents

	UNION	

	SELECT docid, rev, docid || '.' || rev FROM xml_revisions;

/*

 *  Allow guid in xml_access table (for system metadata)

*/

ALTER TABLE xml_access ADD COLUMN guid VARCHAR2(2000);

/**

 *  Expand accessfileid in xml_access table to hold guids

 */

ALTER TABLE xml_access ALTER COLUMN accessfileid TYPE VARCHAR2(2000);

/**

 * Upgrade xml_access records to use GUID from identifier table

 * NOTE: This duplicates existing access rules for every revision of a document

 */

INSERT INTO xml_access (

	guid, principal_name, permission, perm_type, perm_order, 

	docid, accessfileid, begin_time, end_time, ticket_count, subtreeid, startnodeid, endnodeid

)

	SELECT 

		id.guid, xa.principal_name, xa.permission, xa.perm_type, xa.perm_order, 

		xa.docid, xa.accessfileid, xa.begin_time, xa.end_time, xa.ticket_count, xa.subtreeid, xa.startnodeid, xa.endnodeid

	FROM identifier id, xml_access xa

	WHERE id.docid = xa.docid;

/**

 * Include inline data access rows -- they have a special guid: 'scope.docid.rev.index'

 */

INSERT INTO xml_access (

	guid, principal_name, permission, perm_type, perm_order, 

	docid, accessfileid, begin_time, end_time, ticket_count, subtreeid, startnodeid, endnodeid

)

	SELECT 

		docid, principal_name, permission, perm_type, perm_order, 

		docid, accessfileid, begin_time, end_time, ticket_count, subtreeid, startnodeid, endnodeid

	FROM xml_access

	WHERE docid like '%.%.%.%';

/**

 * Update the accessfileid to use guid

 * NOTE: uses the last revision's guid as the new accessfileid

 */

CREATE TABLE max_identifier (guid VARCHAR2(2000), docid VARCHAR2(250), rev NUMBER(8));

/** insert the max rev identifier for each document **/

INSERT INTO max_identifier (docid, rev, guid)

SELECT docid, MAX(rev), docid || '.' || MAX(rev)

FROM identifier

GROUP BY docid;

/** create some indexes to speed up the join **/

CREATE INDEX maxid_docid_index ON max_identifier (docid);

CREATE INDEX maxid_guid_index ON max_identifier (docid);

CREATE INDEX accessfileid_index on xml_access (accessfileid);

CREATE INDEX xml_access_guid_index on xml_access (guid);

/** only need to join on docid since there is a single row for the max docid **/

UPDATE xml_access xa

SET accessfileid = maxid.guid

FROM max_identifier maxid

WHERE xa.accessfileid = maxid.docid

AND xa.guid IS NOT null;

DROP INDEX maxid_docid_index;

DROP INDEX maxid_guid_index;

DROP INDEX accessfileid_index;

DROP INDEX xml_access_guid_index;

DROP TABLE max_identifier;

/**

 * Remove old access rules

 */

DELETE FROM xml_access WHERE guid is null;

/**

 * clean up the xml_access table

 */

ALTER TABLE xml_access DROP COLUMN docid;

/**

 * expand xml_path_index 'path' column to hold larger strings 

 */

ALTER TABLE xml_path_index MODIFY ( path VARCHAR2(4000) );

/*

 * update the database version

 */

UPDATE db_version SET status=0;

INSERT INTO db_version (version, status, date_created) 

  VALUES ('2.0.0', 1, CURRENT_DATE);