1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
- -- Index MARC fields
- CREATE INDEX loc_marc_field_rec_idx ON loc_marc_field (rec_id);;
- -- Pull out control numbers
- CREATE MATERIALIZED VIEW loc_marc_cn
- AS SELECT rec_id, trim(contents) AS control
- FROM loc_marc_field
- WHERE tag = '001';
- CREATE INDEX loc_marc_cn_rec_idx ON loc_marc_cn (rec_id);
- ANALYZE loc_marc_cn;
- CREATE MATERIALIZED VIEW loc_lccn
- AS SELECT rec_id, trim(contents) AS lccn
- FROM loc_marc_field
- WHERE tag = '010';
- CREATE INDEX loc_lccn_rec_idx ON loc_lccn (rec_id);
- ANALYZE loc_lccn;
- CREATE VIEW loc_leader
- AS SELECT rec_id, contents AS leader
- FROM loc_marc_field
- WHERE tag = 'LDR';
- CREATE VIEW loc_007_cat
- AS SELECT rec_id, LEFT(contents, 1) AS cat_type
- FROM loc_marc_field
- WHERE tag = '007';
- CREATE VIEW loc_006_form
- AS SELECT rec_id, LEFT(contents, 1) AS form
- FROM loc_marc_field
- WHERE tag = '006';
- CREATE VIEW loc_record_codes
- AS SELECT rec_id,
- SUBSTR(contents, 6, 1) AS status,
- SUBSTR(contents, 7, 1) AS rec_type,
- substr(CONTENTS, 8, 1) AS bib_level
- FROM loc_marc_field WHERE tag = 'LDR';
- CREATE VIEW loc_gov_type
- AS SELECT rec_id, SUBSTR(pd.contents, 29, 1) AS gd_type
- FROM loc_record_codes
- LEFT JOIN (SELECT rec_id, contents FROM loc_marc_field WHERE tag = '008') pd USING (rec_id)
- WHERE rec_type IN ('a', 't');
- CREATE MATERIALIZED VIEW loc_record_info
- AS SELECT rec_id, control AS marc_cn, lccn, status, rec_type, bib_level
- FROM loc_marc_cn
- LEFT JOIN loc_lccn USING (rec_id)
- JOIN loc_record_codes lrc USING (rec_id);
- CREATE INDEX loc_record_rec_idx ON loc_record_info (rec_id);
- CREATE INDEX loc_record_control_idx ON loc_record_info (marc_cn);
- CREATE INDEX loc_record_lccn_idx ON loc_record_info (lccn);
- ANALYZE loc_record_info;
- -- A book is any text (MARC type a or t) that is not coded as a government document
- CREATE MATERIALIZED VIEW loc_book
- AS SELECT rec_id, marc_cn, lccn, status, rec_type, bib_level
- FROM loc_record_info
- LEFT JOIN (SELECT rec_id, contents FROM loc_marc_field WHERE tag = '008') pd USING (rec_id)
- WHERE rec_type IN ('a', 't')
- AND (pd.contents IS NULL OR SUBSTRING(pd.contents, 29, 1) IN ('|', ' '));
- CREATE INDEX loc_book_rec_idx ON loc_book (rec_id);
- CREATE INDEX loc_book_control_idx ON loc_book (marc_cn);
- CREATE INDEX loc_book_lccn_idx ON loc_book (lccn);
- ANALYZE loc_book;
- -- Index ISBNs
- CREATE MATERIALIZED VIEW loc_isbn
- AS SELECT rec_id, replace(substring(contents from '^\s*(?:ISBN:?\s*)?([0-9A-Z-]*)'), '-', '') AS isbn
- FROM loc_book JOIN loc_marc_field USING (rec_id)
- WHERE tag = '020' AND sf_code = 'a' AND contents ~ '^\s*(?:ISBN:?\s*)?([0-9A-Z-]*)';
- CREATE INDEX loc_isbn_rec_idx ON loc_isbn (rec_id);
- CREATE INDEX loc_isbn_isbn_idx ON loc_isbn (isbn);
|