Metacat

/**

 *  '$RCSfile$'

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

 *             National Center for Ecological Analysis and Synthesis

 *

 *   '$Author: leinfelder $'

 *     '$Date: 2011-05-27 09:45:11 -0700 (Fri, 27 May 2011) $'

 * '$Revision: 6107 $'

 *

 * 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

 */

/*

 * Drop all of the objects in proper order

 */

set echo off

DROP SEQUENCE xml_nodes_id_seq;

DROP SEQUENCE xml_revisions_id_seq;

DROP SEQUENCE xml_catalog_id_seq;

DROP SEQUENCE xml_relation_id_seq;

DROP SEQUENCE xml_replication_id_seq;

DROP SEQUENCE access_log_id_seq;

DROP SEQUENCE xml_returnfield_id_seq;

DROP SEQUENCE xml_queryresult_id_seq;

DROP SEQUENCE xml_path_index_id_seq;

DROP SEQUENCE db_version_id_seq;

/* Drop triggers are not necessary */

DROP TRIGGER xml_nodes_before_insert;

DROP TRIGGER xml_revisions_before_insert;

DROP TRIGGER xml_catalog_before_insert;

DROP TRIGGER xml_relation_before_insert;

DROP TRIGGER xml_replication_before_insert;

DROP TRIGGER access_log_before_insert;

DROP TRIGGER xml_returnfield_before_insert;

DROP TRIGGER xml_queryresult_before_insert;

DROP TRIGGER db_version_before_insert;

DROP TABLE xml_index;

DROP TABLE xml_access;

DROP TABLE xml_accesssubtree;

DROP TABLE xml_revisions;

DROP TABLE xml_relation;

DROP TABLE xml_documents CASCADE CONSTRAINTS;

DROP TABLE xml_nodes;

DROP TABLE xml_nodes_revisions;

DROP TABLE xml_replication;

DROP TABLE xml_catalog;

DROP TABLE identifier;

DROP TABLE systemMetadata;

DROP TABLE access_log;

DROP TABLE harvest_site_schedule;

DROP TABLE harvest_detail_log;

DROP TABLE harvest_log;

DROP TABLE xml_queryresult;

DROP TABLE xml_returnfield;

DROP TABLE xml_path_index;

DROP TABLE db_version;

/*

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

 */

CREATE TABLE xml_replication (

  serverid      NUMBER(20),

  server        VARCHAR2(512),

  last_checked  DATE,

  replicate     NUMBER(1),

  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

BEGIN

  SELECT xml_replication_id_seq.nextval

    INTO :new.serverid

    FROM dual;

END;

/

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		NUMBER(20),	-- the unique node id (pk)

	nodeindex	NUMBER(10),	-- order of nodes within parent

	nodetype	VARCHAR2(20),	-- type (DOCUMENT, COMMENT, PI,

					-- ELEMENT, ATTRIBUTE, TEXT)

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

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

                                        -- or attribute

	nodedata	VARCHAR2(4000), -- the data for this node (e.g.,

					-- 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,

	nodedatanumerical NUMBER,       -- the data for this node if it is a number

	nodedatadate TIMESTAMP,       -- the data for this node if it is a date

   CONSTRAINT xml_nodes_pk PRIMARY KEY (nodeid),

   CONSTRAINT xml_nodes_root_fk

		FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,

   CONSTRAINT xml_nodes_parent_fk

		FOREIGN KEY (parentnodeid) REFERENCES xml_nodes

);

CREATE TRIGGER xml_nodes_before_insert

BEFORE INSERT ON xml_nodes FOR EACH ROW

BEGIN

  SELECT xml_nodes_id_seq.nextval

    INTO :new.nodeid

    FROM dual;

END;

/

/*

 * 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);

CREATE INDEX xml_nodes_idx4 ON xml_nodes (docid);

/*

 * xml_nodes_revisions -- table to store nodes from xml_nodes which are of old revisions and deleted document

 */

CREATE TABLE xml_nodes_revisions (

        nodeid          NUMBER(20),     -- the unique node id (pk)

        nodeindex       NUMBER(10),     -- order of nodes within parent

        nodetype        VARCHAR2(20),   -- type (DOCUMENT, COMMENT, PI,

                                        -- ELEMENT, ATTRIBUTE, TEXT)

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

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

                                        -- or attribute

        nodedata        VARCHAR2(4000), -- the data for this node (e.g.,

                                        -- 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,

        nodedatanumerical NUMBER,       -- the data for this node if it is a number

        nodedatadate TIMESTAMP,       -- the data for this node if it is a date

   CONSTRAINT xml_nodes_revisions_pk PRIMARY KEY (nodeid),

   CONSTRAINT xml_nodes_revisions_root_fk

                FOREIGN KEY (rootnodeid) REFERENCES xml_nodes_revisions,

   CONSTRAINT xml_nodes_revisions_parent_fk

                FOREIGN KEY (parentnodeid) REFERENCES xml_nodes_revisions

);

/*

 * Indexes of rootnodeid, parentnodeid, and nodename in xml_nodes_revision

 */

CREATE INDEX xml_nodes_revisions_idx1 ON xml_nodes_revisions (rootnodeid);

CREATE INDEX xml_nodes_revisions_idx2 ON xml_nodes_revisions (parentnodeid);

CREATE INDEX xml_nodes_revisions_idx3 ON xml_nodes_revisions (nodename);

/*

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

 */

CREATE TABLE xml_catalog (

	catalog_id	NUMBER(20),	-- the id for this catalog entry

	entry_type	VARCHAR2(500),	-- the type of this catalog entry

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

	source_doctype	VARCHAR2(500),	-- the source public_id for transforms

	target_doctype	VARCHAR2(500),	-- the target public_id for transforms

	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),

   CONSTRAINT xml_catalog_uk UNIQUE

		(entry_type, source_doctype, target_doctype, public_id)

);

CREATE SEQUENCE xml_catalog_id_seq;

CREATE TRIGGER xml_catalog_before_insert

BEFORE INSERT ON xml_catalog FOR EACH ROW

BEGIN

  SELECT xml_catalog_id_seq.nextval

    INTO :new.catalog_id

    FROM dual;

END;

/

/*

 * Documents -- table to store XML documents

 */

CREATE TABLE xml_documents (

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

	rootnodeid	NUMBER(20),	-- reference to root node of the DOM

	docname		VARCHAR2(100),	-- usually the root element name

	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

	server_location NUMBER(20),	-- the server on which this 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

        catalog_id      NUMBER(20),	-- 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);

CREATE INDEX xml_documents_idx2 ON xml_documents (lower(user_owner));

CREATE INDEX xml_documents_idx3 ON xml_documents (rootnodeid);

/*

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

 *                    or DELETE

 */

CREATE TABLE xml_revisions (

	revisionid	NUMBER(20),	-- the revision number we are saving

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

	rootnodeid	NUMBER(20),	-- reference to root node of the DOM

	docname		VARCHAR2(100),	-- usually the root element name

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

	user_owner	VARCHAR2(100),

	user_updated	VARCHAR2(100),

	server_location NUMBER(20),

	rev		NUMBER(10),

	date_created	DATE,

	date_updated	DATE,

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

        catalog_id      NUMBER(20),	-- 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_revisions,

   CONSTRAINT xml_revisions_catalog_fk

		FOREIGN KEY (catalog_id) REFERENCES xml_catalog

);

CREATE SEQUENCE xml_revisions_id_seq;

CREATE TRIGGER xml_revisions_before_insert

BEFORE INSERT ON xml_revisions FOR EACH ROW

BEGIN

  SELECT xml_revisions_id_seq.nextval

    INTO :new.revisionid

    FROM dual;

END;

/

/*

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

 */

CREATE TABLE xml_access (

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

	accessfileid	VARCHAR2(250),	-- the document id # for the access file

	principal_name	VARCHAR2(100),	-- name of user, group, etc.

	permission	NUMBER(1),	-- "read", "write", "all"

	perm_type	VARCHAR2(32),	-- "allowed" or "denied"

	perm_order	VARCHAR2(32),	-- "allow first" or "deny first"

	begin_time	DATE,		-- the time that permission begins

	end_time	DATE,		-- the time that permission ends

	ticket_count	NUMBER(5),	-- ticket counter for that permission

  subtreeid VARCHAR2(32), -- sub tree id

  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),

   CONSTRAINT xml_access_accessfileid_fk

		FOREIGN KEY (accessfileid) REFERENCES xml_documents

);

CREATE INDEX xml_access_idx1 ON xml_access (lower(principal_name));

CREATE INDEX xml_access_idx2 ON xml_access (permission);

CREATE INDEX xml_access_idx3 ON xml_access (perm_type);

CREATE INDEX xml_access_idx4 ON xml_access (perm_order);

CREATE INDEX xml_access_idx5 ON xml_access (subtreeid);

/*

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

 * quick searching in structured searches

 */

CREATE TABLE xml_index (

	nodeid		NUMBER(20),	-- the unique node id

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

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

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

        parentnodeid    NUMBER(20),     -- 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 INDEX xml_index_idx2 ON xml_index (docid);

CREATE INDEX xml_index_idx3 ON xml_index (nodeid);

/*

 * Index of Paths - table to store nodes with paths specified by userst in metacat.properties

 */

CREATE TABLE xml_path_index (

        nodeid          NUMBER(20),     -- the unique node id

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

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

	    nodedata        VARCHAR2(4000), -- the data for this node e.g.,

        nodedatanumerical NUMBER(20),   -- the data for this node if

		nodedatadate TIMESTAMP,       -- the data for this node if it is a date        

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

        CONSTRAINT xml_path_index_pk PRIMARY KEY (nodeid),

        CONSTRAINT xml_path_index_docid_fk FOREIGN KEY (docid) REFERENCES xml_documents

 );                                                                                        

/*

 * create sequence an trigger

 */

CREATE SEQUENCE xml_path_index_id_seq;                                                                                                                                                             

CREATE TRIGGER xml_path_index_before_insert

BEFORE INSERT ON xml_path_index FOR EACH ROW

BEGIN

  SELECT xml_path_index_id_seq.nextval

    INTO :new.nodeid

    FROM dual;

END;

/

/*

 * Index of the path, nodedata, nodedatanumerical in xml_path_index

 */

CREATE INDEX xml_path_index_idx1 ON xml_path_index (path);

CREATE INDEX xml_path_index_idx2 ON xml_path_index (nodedata);

CREATE INDEX xml_path_index_idx3 ON xml_path_index (nodedatanumerical);

CREATE INDEX xml_path_index_idx4 ON xml_path_index (nodedatadate);

CREATE TABLE xml_relation (

	relationid    NUMBER(20) PRIMARY KEY, -- unique id

	docid         VARCHAR2(250),          -- the docid of the package file

	                                      -- that this relation came from

        packagetype   VARCHAR2(250),          -- the type of the package

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

	subdoctype    VARCHAR2(128),          -- the doctype of the subject

	relationship  VARCHAR2(128)  NOT NULL,-- the relationship type

	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),

	CONSTRAINT xml_relation_docid_fk

		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;

END;

/

/*

 * Table used to store all document identifiers for system metadata objects

 * similar restraints to identifier.  Cannot use identifier table for this 

 * purpose because then you have to worry about whether you insert the

 * data first or the systemMetadata first.

 */

CREATE TABLE systemMetadata (

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

   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

   replication_allowed boolean,	 -- replication allowed

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

   CONSTRAINT systemMetadata_pk 

		PRIMARY KEY (guid)

)

/*

 * Table used to store system metadata provenance information

 */

CREATE TABLE systemMetadataProvenance (

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

   relationship	VARCHAR(250),	 -- the provenance relationship defined between objects

   target_guid	VARCHAR2(2000),          -- the globally unique string identifier of the other object

   CONSTRAINT systemMetadataProvenance_fk 

		FOREIGN KEY (guid) REFERENCES systemMetadata

);

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

);

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

);

/*

 * Table used to store all document identifiers in metacat.  Each identifier

 * has a globally unique, unconstrained string, which we will refer to as a

 * GUID, and a local metacat identifier, which consists of the docid

 * and revision fields. Each row maps one global identifier to the local

 * identifier (docid) used within metacat.

 */

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

);

/*

 * 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

);

/*

 * Returnfields -- table to store combinations of returnfields requested

 *		   and the number of times this table is accessed

 */

CREATE TABLE xml_returnfield (

        returnfield_id     NUMBER(20),     -- the id for this returnfield entry

        returnfield_string VARCHAR2(2000), -- the returnfield string

        usage_count        NUMBER(20),     -- the number of times this string

                                           -- has been requested

        CONSTRAINT xml_returnfield_pk PRIMARY KEY (returnfield_id)

);

CREATE INDEX xml_returnfield_idx1 ON xml_returnfield(returnfield_string);

CREATE SEQUENCE xml_returnfield_id_seq;

CREATE TRIGGER xml_returnfield_before_insert

BEFORE INSERT ON xml_returnfield FOR EACH ROW

BEGIN

  SELECT xml_returnfield_id_seq.nextval

    INTO :new.returnfield_id

    FROM dual;

END;

/

/*

 * Queryresults -- table to store queryresults for a given docid

 * and returnfield_id

 */

CREATE TABLE xml_queryresult(

  queryresult_id       NUMBER(20),     -- id for this entry

  returnfield_id       NUMBER(20),     -- id for the returnfield corresponding to this entry

  docid                VARCHAR2(250),  -- docid of the document

  queryresult_string   VARCHAR2(4000), -- resultant text generated for this docid and given

  				       -- returnfield

  CONSTRAINT xml_queryresult_pk PRIMARY KEY (queryresult_id),

  CONSTRAINT xml_queryresult_searchid_fk

               FOREIGN KEY (returnfield_id) REFERENCES xml_returnfield

);

CREATE INDEX xml_queryresult_idx1 ON xml_queryresult (returnfield_id, docid);

CREATE SEQUENCE xml_queryresult_id_seq;

CREATE TRIGGER xml_queryresult_before_insert

BEFORE INSERT ON xml_queryresult FOR EACH ROW

BEGIN

 SELECT xml_queryresult_id_seq.nextval

   INTO :new.queryresult_id

   FROM dual;

END;

/

/*

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

 */

CREATE TABLE access_log (

  entryid       NUMBER(20),     -- the identifier for the log event

  ip_address    VARCHAR2(512),  -- the ip address inititiating the event

  principal     VARCHAR2(512),  -- the user initiiating the event

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

  event         VARCHAR2(512),  -- the code symbolizing the event type

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

  CONSTRAINT access_log_pk PRIMARY KEY (entryid)

);

CREATE SEQUENCE access_log_id_seq;

CREATE TRIGGER access_log_before_insert

BEFORE INSERT ON access_log FOR EACH ROW

BEGIN

  SELECT access_log_id_seq.nextval

    INTO :new.entryid

    FROM dual;

END;

/

/*

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

 */

CREATE TABLE harvest_site_schedule (

  site_schedule_id NUMBER,         -- unique id

  documentlisturl  VARCHAR2(255),  -- URL of the site harvest document list

  ldapdn           VARCHAR2(255),  -- LDAP distinguished name for site account

  datenextharvest  DATE,           -- scheduled date of next harvest

  datelastharvest  DATE,           -- recorded date of last harvest

  updatefrequency  NUMBER,         -- the harvest update frequency

  unit             VARCHAR2(50),   -- update unit -- days weeks or months

  contact_email    VARCHAR2(50),   -- email address of the site contact person

  ldappwd          VARCHAR2(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         NUMBER,         -- unique id

  harvest_date           DATE,           -- date of the current harvest

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

  message                VARCHAR2(1000), -- text message for this log entry

  harvest_operation_code VARCHAR2(30),   -- the type of harvest operation

  site_schedule_id       NUMBER,         -- 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          NUMBER,         -- unique id

  harvest_log_id         NUMBER,         -- ponter to the related log entry

  scope                  VARCHAR2(50),   -- document scope

  identifier             NUMBER,         -- document identifier

  revision               NUMBER,         -- document revision

  document_url           VARCHAR2(255),  -- document URL

  error_message          VARCHAR2(1000), -- text error message

  document_type          VARCHAR2(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

);

/*

 * db_version -- table to store the version history of this database

 */

CREATE TABLE db_version (

  db_version_id   NUMBER(20),       -- the identifier for the version

  version         VARCHAR(250),     -- the version number

  status          NUMBER(20),       -- status of the version

  date_created    DATE,             -- the datetime on which the version was created

  CONSTRAINT db_version_pk PRIMARY KEY (db_version_id)

);

CREATE SEQUENCE db_version_id_seq;

CREATE TRIGGER db_version_before_insert

BEFORE INSERT ON db_version FOR EACH ROW

BEGIN

  SELECT db_version_id_seq.nextval

    INTO :new.db_version_id

    FROM dual;

END;

/

/*

 * scheduled_job -- table to store scheduled jobs

 */

CREATE TABLE scheduled_job (

  id NUMBER(20) NOT NULL default nextval('scheduled_job_id_seq'),

  date_created TIMESTAMP NOT NULL,

  date_updated TIMESTAMP NOT NULL,

  status VARCHAR2(64) NOT NULL,

  name VARCHAR2(512) NOT NULL,

  trigger_name VARCHAR2(512) NOT NULL,

  group_name VARCHAR2(512) NOT NULL,

  class_name VARCHAR2(1024) NOT NULL,

  start_time TIMESTAMP NOT NULL,

  interval_value NUMBER NOT NULL,

  interval_unit VARCHAR2(8) NOT NULL,

  CONSTRAINT scheduled_job_pk PRIMARY KEY (id),

  CONSTRAINT scheduled_job_uk UNIQUE (name)

);

CREATE SEQUENCE scheduled_job_id_seq;

CREATE TRIGGER scheduled_job_before_insert

BEFORE INSERT ON scheduled_job FOR EACH ROW

BEGIN

  SELECT scheduled_job_id_seq.nextval

    INTO :new.id

    FROM dual;

END;

/

/*

 * scheduled_job_params -- table to store scheduled job parameters

 */

CREATE TABLE scheduled_job_params (

  id NUMBER(20)  NOT NULL default nextval('scheduled_job_params_id_seq'),

  date_created TIMESTAMP NOT NULL,

  date_updated TIMESTAMP  NOT NULL,

  status VARCHAR2(64)  NOT NULL,

  job_id NUMBER(20) NOT NULL,

  key VARCHAR2(64) NOT NULL,

  value VARCHAR2(1024) NOT NULL,

  CONSTRAINT scheduled_job_params_pk PRIMARY KEY (id),

  CONSTRAINT scheduled_job_params_fk

        FOREIGN KEY (job_id) REFERENCES scheduled_job(id)

);

CREATE SEQUENCE scheduled_job_params_id_seq;

CREATE TRIGGER scheduled_job_params_before_insert

BEFORE INSERT ON scheduled_job_params FOR EACH ROW

BEGIN

  SELECT scheduled_job_id_params_seq.nextval

    INTO :new.id

    FROM dual;

END;

/