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metacat / src / xmltables-oracle.sql @ 4104

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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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 * Drop all of the objects in proper order
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 */
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set echo off
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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 identifier_id_seq;
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DROP SEQUENCE access_log_id_seq;
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DROP SEQUENCE xml_returnfield_id_seq;
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DROP SEQUENCE xml_queryresult_id_seq;
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DROP SEQUENCE xml_path_index_id_seq;
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DROP SEQUENCE db_version_id_seq;
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/* Drop triggers are not necessary */
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DROP TRIGGER xml_nodes_before_insert;
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DROP TRIGGER xml_revisions_before_insert;
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DROP TRIGGER xml_catalog_before_insert;
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DROP TRIGGER xml_relation_before_insert;
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DROP TRIGGER xml_replication_before_insert;
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DROP TRIGGER identifier_before_insert;
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DROP TRIGGER access_log_before_insert;
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DROP TRIGGER xml_returnfield_before_insert;
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DROP TRIGGER xml_queryresult_before_insert;
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DROP TRIGGER db_version_before_insert;
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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 CASCADE CONSTRAINTS;
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DROP TABLE xml_nodes;
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DROP TABLE xml_nodes_revisions;
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DROP TABLE xml_replication;
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DROP TABLE xml_catalog;
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DROP TABLE identifier;
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DROP TABLE access_log;
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DROP TABLE harvest_site_schedule;
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DROP TABLE harvest_detail_log;
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DROP TABLE harvest_log;
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DROP TABLE xml_queryresult;
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DROP TABLE xml_returnfield;
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DROP TABLE xml_path_index;
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DROP TABLE db_version;
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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 TABLE xml_replication (
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  serverid      NUMBER(20),
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  server        VARCHAR2(512),
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  last_checked  DATE,
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  replicate     NUMBER(1),
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  datareplicate NUMBER(1),
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  hub NUMBER(1),
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  CONSTRAINT xml_replication_pk PRIMARY KEY (serverid)
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);
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CREATE SEQUENCE xml_replication_id_seq;
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CREATE TRIGGER xml_replication_before_insert
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BEFORE INSERT ON xml_replication FOR EACH ROW
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BEGIN
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  SELECT xml_replication_id_seq.nextval
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    INTO :new.serverid
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    FROM dual;
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END;
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/
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INSERT INTO xml_replication (server, replicate, datareplicate, hub)
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 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                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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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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/*
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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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CREATE INDEX xml_nodes_idx4 ON xml_nodes (docid);
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146

    
147
/*
148
 * xml_nodes_revisions -- table to store nodes from xml_nodes which are of old revisions and deleted document
149
 */
150

    
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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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 * XML Catalog -- table to store all external sources for XML documents
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 */
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CREATE TABLE xml_catalog (
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        catalog_id        NUMBER(20),        -- the id for this catalog entry
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        entry_type        VARCHAR2(500),        -- the type of this catalog entry
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                                        -- (e.g., DTD, XSD, XSL)
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        source_doctype        VARCHAR2(500),        -- the source public_id for transforms
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        target_doctype        VARCHAR2(500),        -- the target public_id for transforms
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        public_id        VARCHAR2(500),        -- the unique id for this type
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        system_id        VARCHAR2(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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CREATE SEQUENCE xml_catalog_id_seq;
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CREATE TRIGGER xml_catalog_before_insert
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BEFORE INSERT ON xml_catalog FOR EACH ROW
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BEGIN
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  SELECT xml_catalog_id_seq.nextval
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    INTO :new.catalog_id
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    FROM dual;
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END;
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/
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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                VARCHAR2(250),        -- the document id #
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        rootnodeid        NUMBER(20),        -- reference to root node of the DOM
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        docname                VARCHAR2(100),        -- usually the root element name
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        doctype                VARCHAR2(100),        -- public id indicating document type
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        user_owner        VARCHAR2(100),        -- the user owned the document
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        user_updated        VARCHAR2(100),        -- the user updated the document
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        server_location NUMBER(20),        -- the server on which this document
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                                        -- originates
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        rev                 NUMBER(10) DEFAULT 1,--the revision number of the docume
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        date_created        DATE,
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        date_updated        DATE,
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        public_access        NUMBER(1),        -- flag for public access
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        catalog_id      NUMBER(20),        -- 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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CREATE INDEX xml_documents_idx3 ON xml_documents (rootnodeid);
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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 TABLE xml_revisions (
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        revisionid        NUMBER(20),        -- the revision number we are saving
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        docid                VARCHAR2(250),        -- the document id #
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        rootnodeid        NUMBER(20),        -- reference to root node of the DOM
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        docname                VARCHAR2(100),        -- usually the root element name
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        doctype                VARCHAR2(100),        -- public id indicating document type
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        user_owner        VARCHAR2(100),
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        user_updated        VARCHAR2(100),
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        server_location NUMBER(20),
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        rev                NUMBER(10),
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        date_created        DATE,
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        date_updated        DATE,
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        public_access        NUMBER(1),        -- flag for public access
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        catalog_id      NUMBER(20),        -- 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_revisions,
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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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CREATE SEQUENCE xml_revisions_id_seq;
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271
CREATE TRIGGER xml_revisions_before_insert
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BEFORE INSERT ON xml_revisions FOR EACH ROW
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BEGIN
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  SELECT xml_revisions_id_seq.nextval
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    INTO :new.revisionid
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    FROM dual;
277
END;
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/
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280
/*
281
 * ACL -- table to store ACL for XML documents by principals
282
 */
283
CREATE TABLE xml_access (
284
        docid                VARCHAR2(250),        -- the document id #
285
        accessfileid        VARCHAR2(250),        -- the document id # for the access file
286
        principal_name        VARCHAR2(100),        -- name of user, group, etc.
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        permission        NUMBER(1),        -- "read", "write", "all"
288
        perm_type        VARCHAR2(32),        -- "allowed" or "denied"
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        perm_order        VARCHAR2(32),        -- "allow first" or "deny first"
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        begin_time        DATE,                -- the time that permission begins
291
        end_time        DATE,                -- the time that permission ends
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        ticket_count        NUMBER(5),        -- ticket counter for that permission
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  subtreeid VARCHAR2(32), -- sub tree id
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  startnodeid NUMBER(20), -- start node for sub tree
295
  endnodeid NUMBER(20),    -- end node for sub tree
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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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);
300

    
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/*
304
 * Index of Nodes -- table to store precomputed paths through tree for
305
 * quick searching in structured searches
306
 */
307
CREATE TABLE xml_index (
308
        nodeid                NUMBER(20),        -- the unique node id
309
        path                VARCHAR2(1000),        -- precomputed path through tree
310
        docid                VARCHAR2(250),        -- index to the document id
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        doctype                VARCHAR2(100),        -- public id indicating document type
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        parentnodeid    NUMBER(20),     -- id of the parent of the node
313
                                        -- represented by this row
314
   CONSTRAINT xml_index_pk PRIMARY KEY (nodeid,path),
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   CONSTRAINT xml_index_nodeid_fk FOREIGN KEY (nodeid) REFERENCES xml_nodes,
316
   CONSTRAINT xml_index_docid_fk
317
                FOREIGN KEY (docid) REFERENCES xml_documents
318
);
319

    
320
/*
321
 * Index of the paths in xml_index
322
 */
323
CREATE INDEX xml_index_idx1 ON xml_index (path);
324
CREATE INDEX xml_index_idx2 ON xml_index (docid);
325
CREATE INDEX xml_index_idx3 ON xml_index (nodeid);
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327

    
328
/*
329
 * Index of Paths - table to store nodes with paths specified by userst in metacat.properties
330
 */
331
CREATE TABLE xml_path_index (
332
        nodeid          NUMBER(20),     -- the unique node id
333
        docid           VARCHAR2(250),  -- index to the document id
334
        path            VARCHAR2(1000), -- precomputed path through tree
335
            nodedata        VARCHAR2(4000), -- the data for this node e.g.,
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        nodedatanumerical NUMBER(20),   -- the data for this node if
337
        parentnodeid    NUMBER(20),     -- index of the parent of this node
338
        CONSTRAINT xml_path_index_pk PRIMARY KEY (nodeid),
339
        CONSTRAINT xml_path_index_docid_fk FOREIGN KEY (docid) REFERENCES xml_documents
340
 );                                                                                        
341

    
342

    
343
/*
344
 * create sequence an trigger
345
 */
346
CREATE SEQUENCE xml_path_index_id_seq;                                                                                                                                                             
347
CREATE TRIGGER xml_path_index_before_insert
348
BEFORE INSERT ON xml_path_index FOR EACH ROW
349
BEGIN
350
  SELECT xml_path_index_id_seq.nextval
351
    INTO :new.nodeid
352
    FROM dual;
353
END;
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/
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/*
358
 * Index of the path, nodedata, nodedatanumerical in xml_path_index
359
 */
360
CREATE INDEX xml_path_index_idx1 ON xml_path_index (path);
361
CREATE INDEX xml_path_index_idx2 ON xml_path_index (nodedata);
362
CREATE INDEX xml_path_index_idx3 ON xml_path_index (nodedatanumerical);
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364

    
365

    
366
CREATE TABLE xml_relation (
367
        relationid    NUMBER(20) PRIMARY KEY, -- unique id
368
        docid         VARCHAR2(250),          -- the docid of the package file
369
                                              -- that this relation came from
370
        packagetype   VARCHAR2(250),          -- the type of the package
371
        subject       VARCHAR2(512) NOT NULL, -- the subject of the relation
372
        subdoctype    VARCHAR2(128),          -- the doctype of the subject
373
        relationship  VARCHAR2(128)  NOT NULL,-- the relationship type
374
        object        VARCHAR2(512) NOT NULL, -- the object of the relation
375
        objdoctype    VARCHAR2(128),          -- the doctype of the object
376
        CONSTRAINT xml_relation_uk UNIQUE (docid, subject, relationship, object),
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        CONSTRAINT xml_relation_docid_fk
378
                FOREIGN KEY (docid) REFERENCES xml_documents
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  );
380

    
381
CREATE SEQUENCE xml_relation_id_seq;
382

    
383
CREATE TRIGGER xml_relation_before_insert
384
BEFORE INSERT ON xml_relation FOR EACH ROW
385
BEGIN
386
  SELECT xml_relation_id_seq.nextval
387
    INTO :new.relationid
388
    FROM dual;
389
END;
390
/
391

    
392
/*
393
 * Table used to store all document identifiers in metacat.  Each identifier
394
 * consists of 4 subparts, an authority, namespace, object, and revision as
395
 * defined in the LSID specification.
396
 */
397
CREATE SEQUENCE identifier_id_seq;
398
CREATE TABLE identifier (
399
   id        NUMBER(20) PRIMARY KEY, -- primary key
400
   authority VARCHAR2(255),  -- the authority issuing the identifier
401
   namespace VARCHAR2(255),  -- the namespace qualifying the identifier
402
   object    VARCHAR2(255),  -- the local part of the identifier for a particular object
403
   revision  VARCHAR2(255)   -- the revision part of the identifier
404
);
405
CREATE TRIGGER identifier_before_insert
406
BEFORE INSERT ON identifier FOR EACH ROW
407
BEGIN
408
  SELECT identifier_id_seq.nextval
409
    INTO :new.id
410
    FROM dual;
411
END;
412
/
413

    
414
/*
415
 * accesssubtree -- table to store access subtree info
416
 */
417
CREATE TABLE xml_accesssubtree (
418
        docid                VARCHAR2(250),        -- the document id #
419
  rev                 NUMBER(10) DEFAULT 1, --the revision number of the docume
420
  controllevel VARCHAR2(50), -- the level it control -- document or subtree
421
  subtreeid VARCHAR2(250), -- the subtree id
422
        startnodeid        NUMBER(20),        -- the start node id of access subtree
423
  endnodeid NUMBER(20), -- the end node if of access subtree
424
  CONSTRAINT xml_accesssubtree_docid_fk
425
                FOREIGN KEY (docid) REFERENCES xml_documents
426
);
427

    
428
/*
429
 * Returnfields -- table to store combinations of returnfields requested
430
 *                   and the number of times this table is accessed
431
 */
432
CREATE TABLE xml_returnfield (
433
        returnfield_id     NUMBER(20),     -- the id for this returnfield entry
434
        returnfield_string VARCHAR2(2000), -- the returnfield string
435
        usage_count        NUMBER(20),     -- the number of times this string
436
                                           -- has been requested
437
        CONSTRAINT xml_returnfield_pk PRIMARY KEY (returnfield_id)
438
);
439
CREATE INDEX xml_returnfield_idx1 ON xml_returnfield(returnfield_string);
440

    
441
CREATE SEQUENCE xml_returnfield_id_seq;
442

    
443
CREATE TRIGGER xml_returnfield_before_insert
444
BEFORE INSERT ON xml_returnfield FOR EACH ROW
445
BEGIN
446
  SELECT xml_returnfield_id_seq.nextval
447
    INTO :new.returnfield_id
448
    FROM dual;
449
END;
450
/
451

    
452
/*
453
 * Queryresults -- table to store queryresults for a given docid
454
 * and returnfield_id
455
 */
456
CREATE TABLE xml_queryresult(
457
  queryresult_id       NUMBER(20),     -- id for this entry
458
  returnfield_id       NUMBER(20),     -- id for the returnfield corresponding to this entry
459
  docid                VARCHAR2(250),  -- docid of the document
460
  queryresult_string   VARCHAR2(4000), -- resultant text generated for this docid and given
461
                                         -- returnfield
462
  CONSTRAINT xml_queryresult_pk PRIMARY KEY (queryresult_id),
463
  CONSTRAINT xml_queryresult_searchid_fk
464
               FOREIGN KEY (returnfield_id) REFERENCES xml_returnfield
465
);
466

    
467
CREATE INDEX xml_queryresult_idx1 ON xml_queryresult (returnfield_id, docid);
468

    
469
CREATE SEQUENCE xml_queryresult_id_seq;
470

    
471
CREATE TRIGGER xml_queryresult_before_insert
472
BEFORE INSERT ON xml_queryresult FOR EACH ROW
473
BEGIN
474
 SELECT xml_queryresult_id_seq.nextval
475
   INTO :new.queryresult_id
476
   FROM dual;
477
END;
478
/
479

    
480

    
481

    
482

    
483
/*
484
 * Logging -- table to store metadata and data access log
485
 */
486
CREATE TABLE access_log (
487
  entryid       NUMBER(20),     -- the identifier for the log event
488
  ip_address    VARCHAR2(512),  -- the ip address inititiating the event
489
  principal     VARCHAR2(512),  -- the user initiiating the event
490
  docid         VARCHAR2(250),        -- the document id #
491
  event         VARCHAR2(512),  -- the code symbolizing the event type
492
  date_logged   DATE,           -- the datetime on which the event occurred
493
  CONSTRAINT access_log_pk PRIMARY KEY (entryid)
494
);
495

    
496
CREATE SEQUENCE access_log_id_seq;
497
CREATE TRIGGER access_log_before_insert
498
BEFORE INSERT ON access_log FOR EACH ROW
499
BEGIN
500
  SELECT access_log_id_seq.nextval
501
    INTO :new.entryid
502
    FROM dual;
503
END;
504
/
505

    
506
/*
507
 * harvest_site_schedule -- table to store harvest sites and schedule info
508
 */
509
CREATE TABLE harvest_site_schedule (
510
  site_schedule_id NUMBER,         -- unique id
511
  documentlisturl  VARCHAR2(255),  -- URL of the site harvest document list
512
  ldapdn           VARCHAR2(255),  -- LDAP distinguished name for site account
513
  datenextharvest  DATE,           -- scheduled date of next harvest
514
  datelastharvest  DATE,           -- recorded date of last harvest
515
  updatefrequency  NUMBER,         -- the harvest update frequency
516
  unit             VARCHAR2(50),   -- update unit -- days weeks or months
517
  contact_email    VARCHAR2(50),   -- email address of the site contact person
518
  ldappwd          VARCHAR2(20),   -- LDAP password for site account
519
  CONSTRAINT harvest_site_schedule_pk PRIMARY KEY (site_schedule_id)
520
);
521

    
522
/*
523
 * harvest_log -- table to log entries for harvest operations
524
 */
525
CREATE TABLE harvest_log (
526
  harvest_log_id         NUMBER,         -- unique id
527
  harvest_date           DATE,           -- date of the current harvest
528
  status                 NUMBER,         -- non-zero indicates an error status
529
  message                VARCHAR2(1000), -- text message for this log entry
530
  harvest_operation_code VARCHAR2(30),   -- the type of harvest operation
531
  site_schedule_id       NUMBER,         -- site schedule id, or 0 if no site
532
  CONSTRAINT harvest_log_pk PRIMARY KEY (harvest_log_id)
533
);
534

    
535
/*
536
 * harvest_detail_log -- table to log detailed info about documents that
537
 *                       generated errors during the harvest
538
 */
539
CREATE TABLE harvest_detail_log (
540
  detail_log_id          NUMBER,         -- unique id
541
  harvest_log_id         NUMBER,         -- ponter to the related log entry
542
  scope                  VARCHAR2(50),   -- document scope
543
  identifier             NUMBER,         -- document identifier
544
  revision               NUMBER,         -- document revision
545
  document_url           VARCHAR2(255),  -- document URL
546
  error_message          VARCHAR2(1000), -- text error message
547
  document_type          VARCHAR2(100),  -- document type
548
  CONSTRAINT harvest_detail_log_pk PRIMARY KEY (detail_log_id),
549
  CONSTRAINT harvest_detail_log_fk
550
        FOREIGN KEY (harvest_log_id) REFERENCES harvest_log
551
);
552

    
553
/*
554
 * db_version -- table to store the version history of this database
555
 */
556
CREATE TABLE db_version (
557
  db_version_id   NUMBER(20),       -- the identifier for the version
558
  version         VARCHAR(250),     -- the version number
559
  status          NUMBER(20),       -- status of the version
560
  date_created    DATE,             -- the datetime on which the version was created
561
  CONSTRAINT db_version_pk PRIMARY KEY (db_version_id)
562
);
563

    
564
CREATE SEQUENCE db_version_id_seq;
565
CREATE TRIGGER db_version_before_insert
566
BEFORE INSERT ON db_version FOR EACH ROW
567
BEGIN
568
  SELECT db_version_id_seq.nextval
569
    INTO :new.db_version_id
570
    FROM dual;
571
END;
572
/
573