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4330
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daigle
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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: daigle $'
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* '$Date: 2008-07-11 10:04:49 -0700 (Fri, 11 Jul 2008) $'
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* '$Revision: 4104 $'
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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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* Changes to the tables for handling identifiers. Old table no longer needed,
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* new identifier table to be used to support LSIDs.
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*/
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DROP TABLE accession_number;
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DROP SEQUENCE accession_number_id_seq;
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/*
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* Table used to store all document identifiers in metacat. Each identifier
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* consists of 4 subparts, an authority, namespace, object, and revision as
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* defined in the LSID specification.
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*/
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CREATE SEQUENCE identifier_id_seq;
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CREATE TABLE identifier (
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id NUMBER(20) PRIMARY KEY, -- primary key
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authority VARCHAR2(255), -- the authority issuing the identifier
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namespace VARCHAR2(255), -- the namespace qualifying the identifier
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object VARCHAR2(255), -- the local part of the identifier for a particular object
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revision VARCHAR2(255) -- the revision part of the identifier
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);
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CREATE TRIGGER identifier_before_insert
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BEFORE INSERT ON identifier FOR EACH ROW
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BEGIN
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SELECT identifier_id_seq.nextval
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INTO :new.id
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FROM dual;
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END;
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/
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/*
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* Index of Paths - table to store nodes with paths specified by userst in metacat.properties
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*/
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CREATE TABLE xml_path_index (
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nodeid NUMBER(20), -- the unique node id
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docid VARCHAR2(250), -- index to the document id
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path VARCHAR2(1000), -- precomputed path through tree
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nodedata VARCHAR2(4000), -- the data for this node e.g.,
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nodedatanumerical NUMBER(20), -- the data for this node if
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parentnodeid NUMBER(20), -- index of the parent of this node
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CONSTRAINT xml_path_index_pk PRIMARY KEY (nodeid),
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CONSTRAINT xml_path_index_docid_fk FOREIGN KEY (docid) REFERENCES xml_documents
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);
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/*
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* create sequence an trigger
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*/
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CREATE SEQUENCE xml_path_index_id_seq;
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CREATE TRIGGER xml_path_index_before_insert
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BEFORE INSERT ON xml_path_index FOR EACH ROW
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BEGIN
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SELECT xml_path_index_id_seq.nextval
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INTO :new.nodeid
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FROM dual;
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END;
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/
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/**
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* Index of the path, nodedata, nodedatanumerical in xml_path_index
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*/
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CREATE INDEX xml_path_index_idx1 ON xml_path_index (path);
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CREATE INDEX xml_path_index_idx2 ON xml_path_index (nodedata);
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CREATE INDEX xml_path_index_idx3 ON xml_path_index (nodedatanumerical);
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/**
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* Create the xml_nodes_revisions table
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* to store nodes from xml_nodes which
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* are of old revisions and deleted document
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*/
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CREATE TABLE xml_nodes_revisions (
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nodeid NUMBER(20), -- the unique node id (pk)
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nodeindex NUMBER(10), -- order of nodes within parent
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nodetype VARCHAR2(20), -- type (DOCUMENT, COMMENT, PI,
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-- ELEMENT, ATTRIBUTE, TEXT)
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nodename VARCHAR2(250), -- the name of an element or attribute
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nodeprefix VARCHAR2(50), -- the namespace prefix of an element
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-- or attribute
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nodedata VARCHAR2(4000), -- the data for this node (e.g.,
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-- for TEXT it is the content)
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parentnodeid NUMBER(20), -- index of the parent of this node
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rootnodeid NUMBER(20), -- index of the root node of this tree
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docid VARCHAR2(250), -- index to the document id
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date_created DATE,
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date_updated DATE,
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nodedatanumerical NUMBER, -- the data for this node if
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-- it is a number
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CONSTRAINT xml_nodes_revisions_pk PRIMARY KEY (nodeid),
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CONSTRAINT xml_nodes_revisions_root_fk
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FOREIGN KEY (rootnodeid) REFERENCES xml_nodes_revisions,
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CONSTRAINT xml_nodes_revisions_parent_fk
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FOREIGN KEY (parentnodeid) REFERENCES xml_nodes_revisions
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);
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/**
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* Indexes of rootnodeid, parentnodeid, and nodename in xml_nodes_revision
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*/
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CREATE INDEX xml_nodes_revisions_idx1 ON xml_nodes_revisions (rootnodeid);
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CREATE INDEX xml_nodes_revisions_idx2 ON xml_nodes_revisions (parentnodeid);
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CREATE INDEX xml_nodes_revisions_idx3 ON xml_nodes_revisions (nodename);
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/**
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* Drop the constraint from xml_revisions which points to xml_nodes
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*/
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ALTER TABLE xml_revisions DROP CONSTRAINT xml_revisions_root_fk;
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/**
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* Copy the nodes from xml_nodes to xml_nodes_revisions for old revisions
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* of the documents and deleted documents
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*/
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INSERT INTO xml_nodes_revisions (nodeid, nodeindex, nodetype,
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nodename, nodeprefix, nodedata, parentnodeid, rootnodeid,
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docid, date_created, date_updated, nodedatanumerical)
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SELECT * FROM xml_nodes WHERE rootnodeid NOT IN
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(SELECT rootnodeid from xml_documents where rootnodeid is not NULL);
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/**
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* Create the key constraint in xml_revisions which points to
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* xml_nodes_revisions
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*/
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ALTER TABLE xml_revisions ADD CONSTRAINT xml_revisions_root_fk
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FOREIGN KEY (rootnodeid) REFERENCES xml_nodes_revisions (nodeid);
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/**
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* Delete the records from xml_index table which point to old revisions in xml_index
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* This is possible for documents for which the indexing thread failed during UPDATE
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*/
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DELETE FROM xml_index WHERE nodeid IN (SELECT nodeid FROM xml_nodes WHERE
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rootnodeid NOT IN (SELECT rootnodeid FROM xml_documents WHERE rootnodeid IS NOT NULL));
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/**
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* Delete the records from xml_nodes which were transfered to xml_nodes_revisions
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*/
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/**
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* Below given statement takes a lot of time to excute
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*
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* DELETE FROM xml_nodes WHERE rootnodeid NOT IN
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* (SELECT rootnodeid from xml_documents where rootnodeid is not NULL);
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*
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* Hence.....
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*/
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/**
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* Drop the xml_nodes primark key....
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*/
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ALTER TABLE xml_nodes DROP CONSTRAINT xml_nodes_pk CASCADE;
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/** rename xml_nodes to xml_nodes_2 */
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ALTER TABLE xml_nodes RENAME TO xml_nodes_2;
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/** create a new xml_nodes table with new primary and foreign keys*/
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CREATE TABLE xml_nodes (
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nodeid NUMBER(20), -- the unique node id (pk)
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nodeindex NUMBER(10), -- order of nodes within parent
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nodetype VARCHAR2(20), -- type (DOCUMENT, COMMENT, PI,
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-- ELEMENT, ATTRIBUTE, TEXT)
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nodename VARCHAR2(250), -- the name of an element or attribute
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nodeprefix VARCHAR2(50), -- the namespace prefix of an element
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-- or attribute
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nodedata VARCHAR2(4000), -- the data for this node (e.g.,
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-- for TEXT it is the content)
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parentnodeid NUMBER(20), -- index of the parent of this node
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rootnodeid NUMBER(20), -- index of the root node of this tree
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docid VARCHAR2(250), -- index to the document id
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date_created DATE,
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date_updated DATE,
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nodedatanumerical NUMBER, -- the data for this node if
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-- it is a number
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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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/** copy nodes from xml_nodes_2 to xml_nodes */
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INSERT INTO xml_nodes (nodeid, nodeindex, nodetype, nodename, nodeprefix, nodedata, parentnodeid, rootnodeid, docid, date_created, date_updated, nodedatanumerical) SELECT n.nodeid, n.nodeindex, n.nodetype, n.nodename, n.nodeprefix, n.nodedata, n.parentnodeid, n.rootnodeid, n.docid, n.date_created, n.date_updated, n.nodedatanumerical FROM xml_nodes_2 n, xml_nodes_revisions r WHERE n.rootnodeid = r.rootnodeid(+) AND r.rootnodeid is NULL;
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/** Drop old indexes **/
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DROP INDEX xml_nodes_idx1;
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DROP INDEX xml_nodes_idx2;
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DROP INDEX xml_nodes_idx3;
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/** Create new indexes **/
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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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daigle
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/** Re-add trigger to xml_node **/
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DROP TRIGGER xml_nodes_before_insert;
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CREATE TRIGGER xml_nodes_before_insert
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BEFORE INSERT ON xml_nodes FOR EACH ROW
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BEGIN
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SELECT xml_nodes_id_seq.nextval
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INTO :new.nodeid
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FROM dual;
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END;
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/
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4330
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daigle
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/** Add constaints which were deleted before moving xml_nodes to xml_nodes_2 */
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ALTER TABLE xml_documents ADD CONSTRAINT xml_documents_root_fk FOREIGN KEY (rootnodeid) REFERENCES xml_nodes;
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ALTER TABLE xml_index ADD CONSTRAINT xml_index_nodeid_fk FOREIGN KEY (nodeid) REFERENCES xml_nodes;
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/** Drop xml_nodes_2 table */
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DROP TABLE xml_nodes_2;
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/** Update xml_catalog so that eml-2.0.1 stylesheets are used for displaying eml-2.0.0 documents */
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UPDATE xml_catalog SET system_id='http://knb.msi.ucsb.edu/knb/schema/eml-2.0.0/eml.xsd' WHERE public_id = 'eml://ecoinformatics.org/eml-2.0.0';
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/** Done */
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