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metacat / src / xmltables_postgres.sql @ 2127

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/**
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 *  '$RCSfile$'
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 *  Copyright: 2004 Regents of the University of California and the
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 *             National Center for Ecological Analysis and Synthesis
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 *
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 *   '$Author: costa $'
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 *     '$Date: 2004-04-08 09:23:49 -0700 (Thu, 08 Apr 2004) $'
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 * '$Revision: 2112 $'
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */
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/*
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 *        this is sql script does the same as the sql script named 
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 *        xmltables.sql except that this script is to be use to 
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 *        create the database tables on a Postgresql backend rather
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 *        than an Oracle Backend
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 */
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/*
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 * Drop all of the objects in proper order
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 */
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DROP SEQUENCE xml_nodes_id_seq;
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DROP SEQUENCE xml_revisions_id_seq;
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DROP SEQUENCE xml_catalog_id_seq;
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DROP SEQUENCE xml_relation_id_seq;
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DROP SEQUENCE xml_replication_id_seq;
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DROP SEQUENCE xml_documents_id_seq;
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DROP SEQUENCE accession_number_id_seq;
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DROP SEQUENCE access_log_id_seq;
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DROP TABLE xml_index;
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DROP TABLE xml_access;
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DROP TABLE xml_accesssubtree;
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DROP TABLE xml_revisions;
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DROP TABLE xml_relation;
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DROP TABLE xml_documents;
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DROP TABLE xml_nodes;
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DROP TABLE xml_replication;
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DROP TABLE xml_catalog;
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DROP TABLE accession_number;
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DROP TABLE access_log;
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DROP TABLE harvest_site_schedule;
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DROP TABLE harvest_log;
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DROP TABLE harvest_detail_log;
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/*
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 *Replication -- table to store servers that metacat is replicated to
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 */
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CREATE SEQUENCE xml_replication_id_seq;
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CREATE TABLE xml_replication (
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  serverid INT8 default nextval('xml_replication_id_seq'), 
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  server VARCHAR(512),
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  last_checked DATE,
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  replicate INT8,
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  datareplicate INT8,
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  hub INT8,
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  CONSTRAINT xml_replication_pk PRIMARY KEY (serverid)
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);  
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INSERT INTO xml_replication (server, replicate, datareplicate, hub) VALUES ('localhost', '0', '0', '0');
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/* 
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 * Nodes -- table to store XML Nodes (both elements and attributes)
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 */
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CREATE SEQUENCE xml_nodes_id_seq;
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CREATE TABLE xml_nodes (
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        nodeid INT8 default nextval('xml_nodes_id_seq'),
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                                        -- the unique node id (pk)
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        nodeindex INT8,                -- order of nodes within parent
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        nodetype VARCHAR(20),        -- type (DOCUMENT, COMMENT, PI,
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                                        -- ELEMENT, ATTRIBUTE, TEXT)
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        nodename VARCHAR(250),        -- the name of an element or attribute
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        nodeprefix VARCHAR(50), -- the namespace prefix of the node
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        nodedata VARCHAR(4000),         -- the data for this node (e.g., 
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                                        -- for TEXT it is the content)
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        parentnodeid INT8,                -- index of the parent of this node
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        rootnodeid INT8,                -- index of the root node of this tree
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        docid VARCHAR(250),        -- index to the document id
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        date_created DATE,
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        date_updated DATE,
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   CONSTRAINT xml_nodes_pk PRIMARY KEY (nodeid),
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   CONSTRAINT xml_nodes_root_fk 
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                FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,
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   CONSTRAINT xml_nodes_parent_fk 
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                FOREIGN KEY (parentnodeid) REFERENCES xml_nodes
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);
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/* 
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 * Indexes of rootnodeid, parentnodeid, and nodename in xml_nodes
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 */
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CREATE INDEX xml_nodes_idx1 ON xml_nodes (rootnodeid);
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CREATE INDEX xml_nodes_idx2 ON xml_nodes (parentnodeid);
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CREATE INDEX xml_nodes_idx3 ON xml_nodes (nodename);
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/* 
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 * XML Catalog -- table to store all external sources for XML documents
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 */
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CREATE SEQUENCE xml_catalog_id_seq;
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CREATE TABLE xml_catalog (
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        catalog_id INT8 default nextval('xml_catalog_id_seq'),
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                                        -- the id for this catalog entry
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        entry_type VARCHAR(500),        -- the type of this catalog entry
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                                        -- (e.g., DTD, XSD, XSL)
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        source_doctype VARCHAR(500),        -- the source public_id for transforms
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        target_doctype VARCHAR(500),        -- the target public_id for transforms
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        public_id VARCHAR(500),        -- the unique id for this type
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        system_id VARCHAR(1000),        -- the local location of the object
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   CONSTRAINT xml_catalog_pk PRIMARY KEY (catalog_id),
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   CONSTRAINT xml_catalog_uk UNIQUE  
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              (entry_type, source_doctype, target_doctype, public_id)
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);
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/* 
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 * Sequence to get uniqueID for Accession #
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 */
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CREATE SEQUENCE xml_documents_id_seq;
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/* 
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 * Documents -- table to store XML documents
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 */
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CREATE TABLE xml_documents (
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        docid VARCHAR(250),        -- the document id #
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        rootnodeid INT8,                -- reference to root node of the DOM
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        docname VARCHAR(100),        -- usually the root element name
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        doctype VARCHAR(100),        -- public id indicating document type
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        user_owner VARCHAR(100),        -- the user owned the document
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        user_updated VARCHAR(100),        -- the user updated the document
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        server_location INT8,        -- the server on which this document resides
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        rev INT8 default 1,   -- the revision number of the document
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        date_created DATE,
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        date_updated DATE,
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        public_access INT8,        -- flag for public access
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        catalog_id INT8,        -- reference to xml_catalog 
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     CONSTRAINT xml_documents_pk PRIMARY KEY (docid),
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     CONSTRAINT xml_documents_rep_fk
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                     FOREIGN KEY (server_location) REFERENCES xml_replication, 
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    CONSTRAINT xml_documents_root_fk 
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                FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,
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   CONSTRAINT xml_documents_catalog_fk 
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                FOREIGN KEY (catalog_id) REFERENCES xml_catalog
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);
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/* 
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 * Index of <docid,doctype> in xml_document
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 */
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CREATE INDEX xml_documents_idx1 ON xml_documents (docid, doctype);
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/* 
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 * Revised Documents -- table to store XML documents saved after an UPDATE
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 *                    or DELETE
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 */
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CREATE SEQUENCE xml_revisions_id_seq;
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CREATE TABLE xml_revisions (
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        revisionid INT8  default nextval('xml_revisions_id_seq'),
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                                        -- the revision number we are saving
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        docid VARCHAR(250),        -- the document id #
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        rootnodeid INT8,                -- reference to root node of the DOM
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        docname VARCHAR(100),        -- usually the root element name
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        doctype VARCHAR(100),        -- public id indicating document type
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        user_owner VARCHAR(100),
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        user_updated VARCHAR(100),
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        server_location INT8,
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        rev INT8,
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        date_created DATE,
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        date_updated DATE,
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        public_access INT8,        -- flag for public access
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        catalog_id INT8,        -- reference to xml_catalog 
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   CONSTRAINT xml_revisions_pk PRIMARY KEY (revisionid),
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   CONSTRAINT xml_revisions_rep_fk
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                FOREIGN KEY (server_location) REFERENCES xml_replication,
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   CONSTRAINT xml_revisions_root_fk 
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                FOREIGN KEY (rootnodeid) REFERENCES xml_nodes,
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   CONSTRAINT xml_revisions_catalog_fk 
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                FOREIGN KEY (catalog_id) REFERENCES xml_catalog
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);
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/* 
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 * ACL -- table to store ACL for XML documents by principals
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 */
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CREATE TABLE xml_access (
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        docid VARCHAR(250),        -- the document id #
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        accessfileid VARCHAR(250),        -- the document id # for the access file
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        principal_name VARCHAR(100),        -- name of user, group, etc.
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        permission INT8,                -- "read", "write", "all"
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        perm_type VARCHAR(32),        -- "allowed" or "denied"
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        perm_order VARCHAR(32),        -- "allow first" or "deny first"
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        begin_time DATE,                -- the time that permission begins
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        end_time DATE,                -- the time that permission ends
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        ticket_count INT8,                -- ticket counter for that permission
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  subtreeid VARCHAR(32),
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  startnodeid INT8,
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  endnodeid INT8,
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   CONSTRAINT xml_access_ck CHECK (begin_time < end_time),
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   CONSTRAINT xml_access_accessfileid_fk 
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                FOREIGN KEY (accessfileid) REFERENCES xml_documents
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);
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/* 
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 * Index of Nodes -- table to store precomputed paths through tree for 
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 * quick searching in structured searches
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 */
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CREATE TABLE xml_index (
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        nodeid INT8,                -- the unique node id
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        path VARCHAR(200),        -- precomputed path through tree
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        docid VARCHAR(250),        -- index to the document id
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        doctype VARCHAR(100),        -- public id indicating document type
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        parentnodeid INT8,     -- id of the parent of the node represented
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                                        -- by this row
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   CONSTRAINT xml_index_pk PRIMARY KEY (nodeid,path),
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   CONSTRAINT xml_index_nodeid_fk FOREIGN KEY (nodeid) REFERENCES xml_nodes,
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   CONSTRAINT xml_index_docid_fk 
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                FOREIGN KEY (docid) REFERENCES xml_documents
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);
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/* 
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 * Index of the paths in xml_index 
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 */
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CREATE INDEX xml_index_idx1 ON xml_index (path);
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CREATE SEQUENCE xml_relation_id_seq;
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CREATE TABLE xml_relation (
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        relationid INT8 default nextval('xml_relation_id_seq') PRIMARY KEY,
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                                             -- unique id
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        docid VARCHAR(250) ,         -- the docid of the package file
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                                             -- that this relation came from
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        packagetype VARCHAR(250),          -- the type of the package
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        subject VARCHAR(512) NOT NULL, -- the subject of the relation
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        subdoctype VARCHAR(128),                 -- the doctype of the subject
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        relationship VARCHAR(128)  NOT NULL,-- the relationship type
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        object VARCHAR(512) NOT NULL, -- the object of the relation
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        objdoctype VARCHAR(128),          -- the doctype of the object
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        CONSTRAINT xml_relation_uk UNIQUE (docid, subject, relationship, object),
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        CONSTRAINT xml_relation_docid_fk 
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                FOREIGN KEY (docid) REFERENCES xml_documents
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);
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/* 
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 * Table used as Unique ID generator for the uniqueid part of Accession#
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 */
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CREATE SEQUENCE accession_number_id_seq;
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CREATE TABLE accession_number (
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   uniqueid INT8 default nextval('accession_number_id_seq') PRIMARY KEY,
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   site_code VARCHAR(100),
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   date_created DATE
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);
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/* 
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 * accesssubtree -- table to store access subtree info 
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 */
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CREATE TABLE xml_accesssubtree (
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        docid                VARCHAR(250),        -- the document id #
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  rev                 INT8 default 1, --the revision number of the docume
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  controllevel VARCHAR(50), -- the level it control -- document or subtree
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  subtreeid VARCHAR(250), -- the subtree id 
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        startnodeid        INT8,        -- the start node id of access subtree
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  endnodeid INT8, -- the end node if of access subtree
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  CONSTRAINT xml_accesssubtree_docid_fk 
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                FOREIGN KEY (docid) REFERENCES xml_documents
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);
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/*
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 * Logging -- table to store metadata and data access log
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 */
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CREATE SEQUENCE access_log_id_seq;
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CREATE TABLE access_log (
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  entryid       INT8 default nextval ('access_log_id_seq'), -- the identifier for the log event
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  ip_address    VARCHAR(512),   -- the ip address inititiating the event
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  principal     VARCHAR(512),   -- the user initiiating the event
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  docid         VARCHAR(250),        -- the document id #
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  event         VARCHAR(512),   -- the code symbolizing the event type
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  date_logged   TIMESTAMP,      -- the datetime on which the event occurred
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  CONSTRAINT access_log_pk PRIMARY KEY (entryid)
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);
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/* 
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 * harvest_site_schedule -- table to store harvest sites and schedule info
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 */
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CREATE TABLE harvest_site_schedule (
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  site_schedule_id INT8,         -- unique id
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  documentlisturl  VARCHAR(255), -- URL of the site harvest document list
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  ldapdn           VARCHAR(255), -- LDAP distinguished name for site account
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  datenextharvest  DATE,         -- scheduled date of next harvest
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  datelastharvest  DATE,         -- recorded date of last harvest
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  updatefrequency  INT8,         -- the harvest update frequency
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  unit             VARCHAR(50),  -- update unit -- days weeks or months
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  contact_email    VARCHAR(50),  -- email address of the site contact person
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  ldappwd          VARCHAR(20),  -- LDAP password for site account
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  CONSTRAINT harvest_site_schedule_pk PRIMARY KEY (site_schedule_id)
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);
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/* 
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 * harvest_log -- table to log entries for harvest operations
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 */
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CREATE TABLE harvest_log (
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  harvest_log_id         INT8,          -- unique id
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  harvest_date           DATE,          -- date of the current harvest
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  status                 INT8,          -- non-zero indicates an error status
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  message                VARCHAR(1000), -- text message for this log entry
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  harvest_operation_code VARCHAR(30),   -- the type of harvest operation
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  site_schedule_id       INT8,          -- site schedule id, or 0 if no site
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  CONSTRAINT harvest_log_pk PRIMARY KEY (harvest_log_id)
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);
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/* 
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 * harvest_detail_log -- table to log detailed info about documents that
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 *                       generated errors during the harvest
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 */
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CREATE TABLE harvest_detail_log (
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  detail_log_id          INT8,          -- unique id
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  harvest_log_id         INT8,          -- ponter to the related log entry
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  scope                  VARCHAR(50),   -- document scope
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  identifier             INT8,          -- document identifier
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  revision               INT8,          -- document revision
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  document_url           VARCHAR(255),  -- document URL
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  error_message          VARCHAR(1000), -- text error message
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  document_type          VARCHAR(100),  -- document type
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  CONSTRAINT harvest_detail_log_pk PRIMARY KEY (detail_log_id),
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  CONSTRAINT harvest_detail_log_fk 
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        FOREIGN KEY (harvest_log_id) REFERENCES harvest_log
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);
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