1 |
2
|
jones
|
/*
|
2 |
|
|
* xmltables.sql -- Create or replace tables for storing XML in the db
|
3 |
|
|
*
|
4 |
|
|
* Purpose: creates tables needed for XML database
|
5 |
|
|
*
|
6 |
|
|
* Created: 12 September 1999
|
7 |
|
|
* Author: Matt Jones
|
8 |
|
|
* Organization: National Center for Ecological Analysis and Synthesis
|
9 |
|
|
* Version: '$Id$'
|
10 |
|
|
*
|
11 |
|
|
*/
|
12 |
|
|
|
13 |
5
|
jones
|
/*
|
14 |
19
|
jones
|
* Drop all of the objects in proper order
|
15 |
2
|
jones
|
*/
|
16 |
19
|
jones
|
DROP SEQUENCE xml_attributes_id_seq;
|
17 |
|
|
DROP TRIGGER xml_attributes_before_insert;
|
18 |
|
|
DROP SEQUENCE xml_elements_id_seq;
|
19 |
|
|
DROP TRIGGER xml_elements_before_insert;
|
20 |
5
|
jones
|
DROP TABLE xml_documents;
|
21 |
|
|
DROP TABLE xml_attributes;
|
22 |
|
|
DROP TABLE xml_elements;
|
23 |
3
|
jones
|
|
24 |
|
|
/*
|
25 |
|
|
* Elements -- table to store XML Elements
|
26 |
|
|
*/
|
27 |
5
|
jones
|
CREATE TABLE xml_elements (
|
28 |
3
|
jones
|
nodeid NUMBER(20),
|
29 |
10
|
jones
|
parentnodeid NUMBER(20),
|
30 |
3
|
jones
|
nodename VARCHAR2(2000),
|
31 |
|
|
nodedata VARCHAR2(2000),
|
32 |
|
|
date_created DATE,
|
33 |
|
|
date_updated DATE,
|
34 |
10
|
jones
|
CONSTRAINT xml_elements_pk PRIMARY KEY (nodeid),
|
35 |
|
|
CONSTRAINT xml_elements_parent_fk
|
36 |
|
|
FOREIGN KEY (parentnodeid) REFERENCES xml_elements
|
37 |
3
|
jones
|
);
|
38 |
|
|
|
39 |
19
|
jones
|
CREATE SEQUENCE xml_elements_id_seq;
|
40 |
|
|
|
41 |
|
|
CREATE TRIGGER xml_elements_before_insert
|
42 |
|
|
BEFORE INSERT ON xml_elements FOR EACH ROW
|
43 |
|
|
BEGIN
|
44 |
|
|
SELECT xml_elements_id_seq.nextval
|
45 |
|
|
INTO :new.nodeid
|
46 |
|
|
FROM dual;
|
47 |
|
|
END;
|
48 |
|
|
/
|
49 |
|
|
|
50 |
3
|
jones
|
/*
|
51 |
5
|
jones
|
* Documents -- table to store XML document catalog
|
52 |
|
|
*/
|
53 |
|
|
CREATE TABLE xml_documents (
|
54 |
|
|
docid NUMBER(20),
|
55 |
|
|
rootnodeid NUMBER(20),
|
56 |
|
|
docname VARCHAR2(1000),
|
57 |
|
|
doctype VARCHAR2(1000),
|
58 |
|
|
date_created DATE,
|
59 |
|
|
date_updated DATE,
|
60 |
|
|
CONSTRAINT xml_documents_pk PRIMARY KEY (docid),
|
61 |
|
|
CONSTRAINT xml_documents_root_fk
|
62 |
|
|
FOREIGN KEY (rootnodeid) REFERENCES xml_elements
|
63 |
|
|
);
|
64 |
|
|
|
65 |
|
|
/*
|
66 |
3
|
jones
|
* Attributes -- table to store XML Attributes
|
67 |
|
|
*/
|
68 |
5
|
jones
|
CREATE TABLE xml_attributes (
|
69 |
3
|
jones
|
attributeid NUMBER(20),
|
70 |
|
|
nodeid NUMBER(20),
|
71 |
|
|
attributenumber NUMBER(20),
|
72 |
19
|
jones
|
attributename VARCHAR2(256),
|
73 |
3
|
jones
|
attributevalue VARCHAR2(2000),
|
74 |
|
|
date_created DATE,
|
75 |
|
|
date_updated DATE,
|
76 |
5
|
jones
|
CONSTRAINT xml_attributes_pk PRIMARY KEY (attributeid),
|
77 |
|
|
CONSTRAINT xml_attributes_parent_node FOREIGN KEY (nodeid)
|
78 |
19
|
jones
|
REFERENCES xml_elements,
|
79 |
|
|
CONSTRAINT xml_attributes_uniq_attribute UNIQUE (nodeid,attributename)
|
80 |
3
|
jones
|
);
|
81 |
19
|
jones
|
|
82 |
|
|
CREATE SEQUENCE xml_attributes_id_seq;
|
83 |
|
|
|
84 |
|
|
CREATE TRIGGER xml_attributes_before_insert
|
85 |
|
|
BEFORE INSERT ON xml_attributes FOR EACH ROW
|
86 |
|
|
BEGIN
|
87 |
|
|
SELECT xml_attributes_id_seq.nextval
|
88 |
|
|
INTO :new.attributeid
|
89 |
|
|
FROM dual;
|
90 |
|
|
END;
|
91 |
|
|
/
|