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/*
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* xmltables-postgres.sql
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* : Create or replace tables for storing XML in PostgreSQL
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*
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* Purpose: creates tables needed for storing XML in PostgreSQL database
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*
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* Created: 08 May 2001
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* Author: John Harris
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* Organization: National Center for Ecological Analysis and Synthesis
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* Copyright: 2000 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* For Details: http://www.nceas.ucsb.edu/
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* File Info: '$Id$'
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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 TABLE xml_index;
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DROP TABLE xml_access;
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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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/*
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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 (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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