2 * Copyright (C) 2004-2008 Georgia Public Library Service
3 * Copyright (C) 2007-2008 Equinox Software, Inc.
4 * Mike Rylander <miker@esilibrary.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
18 DROP SCHEMA metabib CASCADE;
21 CREATE SCHEMA metabib;
23 CREATE TABLE metabib.metarecord (
24 id BIGSERIAL PRIMARY KEY,
25 fingerprint TEXT NOT NULL,
29 CREATE INDEX metabib_metarecord_master_record_idx ON metabib.metarecord (master_record);
30 CREATE INDEX metabib_metarecord_fingerprint_idx ON metabib.metarecord (fingerprint);
32 CREATE TABLE metabib.title_field_entry (
33 id BIGSERIAL PRIMARY KEY,
34 source BIGINT NOT NULL,
37 index_vector tsvector NOT NULL
39 CREATE TRIGGER metabib_title_field_entry_fti_trigger
40 BEFORE UPDATE OR INSERT ON metabib.title_field_entry
41 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('title');
43 CREATE INDEX metabib_title_field_entry_index_vector_idx ON metabib.title_field_entry USING GIST (index_vector);
46 CREATE TABLE metabib.author_field_entry (
47 id BIGSERIAL PRIMARY KEY,
48 source BIGINT NOT NULL,
51 index_vector tsvector NOT NULL
53 CREATE TRIGGER metabib_author_field_entry_fti_trigger
54 BEFORE UPDATE OR INSERT ON metabib.author_field_entry
55 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('author');
57 CREATE INDEX metabib_author_field_entry_index_vector_idx ON metabib.author_field_entry USING GIST (index_vector);
60 CREATE TABLE metabib.subject_field_entry (
61 id BIGSERIAL PRIMARY KEY,
62 source BIGINT NOT NULL,
65 index_vector tsvector NOT NULL
67 CREATE TRIGGER metabib_subject_field_entry_fti_trigger
68 BEFORE UPDATE OR INSERT ON metabib.subject_field_entry
69 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('subject');
71 CREATE INDEX metabib_subject_field_entry_index_vector_idx ON metabib.subject_field_entry USING GIST (index_vector);
72 CREATE INDEX metabib_subject_field_entry_source_idx ON metabib.subject_field_entry (source);
75 CREATE TABLE metabib.keyword_field_entry (
76 id BIGSERIAL PRIMARY KEY,
77 source BIGINT NOT NULL,
80 index_vector tsvector NOT NULL
82 CREATE TRIGGER metabib_keyword_field_entry_fti_trigger
83 BEFORE UPDATE OR INSERT ON metabib.keyword_field_entry
84 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('keyword');
86 CREATE INDEX metabib_keyword_field_entry_index_vector_idx ON metabib.keyword_field_entry USING GIST (index_vector);
89 CREATE TABLE metabib.series_field_entry (
90 id BIGSERIAL PRIMARY KEY,
91 source BIGINT NOT NULL,
94 index_vector tsvector NOT NULL
96 CREATE TRIGGER metabib_series_field_entry_fti_trigger
97 BEFORE UPDATE OR INSERT ON metabib.series_field_entry
98 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('series');
100 CREATE INDEX metabib_series_field_entry_index_vector_idx ON metabib.series_field_entry USING GIST (index_vector);
103 CREATE TABLE metabib.rec_descriptor (
104 id BIGSERIAL PRIMARY KEY,
122 CREATE INDEX metabib_rec_descriptor_record_idx ON metabib.rec_descriptor (record);
123 /* We may not need these...
125 CREATE INDEX metabib_rec_descriptor_item_type_idx ON metabib.rec_descriptor (item_type);
126 CREATE INDEX metabib_rec_descriptor_item_form_idx ON metabib.rec_descriptor (item_form);
127 CREATE INDEX metabib_rec_descriptor_bib_level_idx ON metabib.rec_descriptor (bib_level);
128 CREATE INDEX metabib_rec_descriptor_control_type_idx ON metabib.rec_descriptor (control_type);
129 CREATE INDEX metabib_rec_descriptor_char_encoding_idx ON metabib.rec_descriptor (char_encoding);
130 CREATE INDEX metabib_rec_descriptor_enc_level_idx ON metabib.rec_descriptor (enc_level);
131 CREATE INDEX metabib_rec_descriptor_audience_idx ON metabib.rec_descriptor (audience);
132 CREATE INDEX metabib_rec_descriptor_lit_form_idx ON metabib.rec_descriptor (lit_form);
133 CREATE INDEX metabib_rec_descriptor_cat_form_idx ON metabib.rec_descriptor (cat_form);
134 CREATE INDEX metabib_rec_descriptor_pub_status_idx ON metabib.rec_descriptor (pub_status);
135 CREATE INDEX metabib_rec_descriptor_item_lang_idx ON metabib.rec_descriptor (item_lang);
136 CREATE INDEX metabib_rec_descriptor_vr_format_idx ON metabib.rec_descriptor (vr_format);
140 -- Use a sequence that matches previous version, for easier upgrading.
141 CREATE SEQUENCE metabib.full_rec_id_seq;
143 CREATE TABLE metabib.real_full_rec (
144 id BIGINT NOT NULL DEFAULT NEXTVAL('metabib.full_rec_id_seq'::REGCLASS),
145 record BIGINT NOT NULL,
146 tag CHAR(3) NOT NULL,
151 index_vector tsvector NOT NULL
153 ALTER TABLE metabib.real_full_rec ADD PRIMARY KEY (id);
155 CREATE INDEX metabib_full_rec_tag_subfield_idx ON metabib.real_full_rec (tag,subfield);
156 CREATE INDEX metabib_full_rec_value_idx ON metabib.real_full_rec (substring(value,1,1024));
157 /* Enable LIKE to use an index for database clusters with locales other than C or POSIX */
158 CREATE INDEX metabib_full_rec_value_tpo_index ON metabib.real_full_rec (substring(value,1,1024) text_pattern_ops);
159 CREATE INDEX metabib_full_rec_record_idx ON metabib.real_full_rec (record);
160 CREATE INDEX metabib_full_rec_index_vector_idx ON metabib.real_full_rec USING GIST (index_vector);
162 CREATE TRIGGER metabib_full_rec_fti_trigger
163 BEFORE UPDATE OR INSERT ON metabib.real_full_rec
164 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('default');
166 CREATE OR REPLACE VIEW metabib.full_rec AS
173 SUBSTRING(value,1,1024) AS value,
175 FROM metabib.real_full_rec;
177 CREATE OR REPLACE RULE metabib_full_rec_insert_rule
178 AS ON INSERT TO metabib.full_rec
180 INSERT INTO metabib.real_full_rec VALUES (
181 COALESCE(NEW.id, NEXTVAL('metabib.full_rec_id_seq'::REGCLASS)),
191 CREATE OR REPLACE RULE metabib_full_rec_update_rule
192 AS ON UPDATE TO metabib.full_rec
194 UPDATE metabib.real_full_rec SET
200 subfield = NEW.subfield,
202 index_vector = NEW.index_vector
205 CREATE OR REPLACE RULE metabib_full_rec_delete_rule
206 AS ON DELETE TO metabib.full_rec
208 DELETE FROM metabib.real_full_rec WHERE id = OLD.id;
210 CREATE TABLE metabib.metarecord_source_map (
211 id BIGSERIAL PRIMARY KEY,
212 metarecord BIGINT NOT NULL,
213 source BIGINT NOT NULL
215 CREATE INDEX metabib_metarecord_source_map_metarecord_idx ON metabib.metarecord_source_map (metarecord);
216 CREATE INDEX metabib_metarecord_source_map_source_record_idx ON metabib.metarecord_source_map (source);
218 CREATE TYPE metabib.field_entry_template AS (
225 CREATE OR REPLACE FUNCTION biblio.extract_metabib_field_entry ( rid BIGINT, default_joiner TEXT ) RETURNS SETOF metabib.field_entry_template AS $func$
227 bib biblio.record_entry%ROWTYPE;
228 idx config.metabib_field%ROWTYPE;
229 xfrm config.xml_transform%ROWTYPE;
231 transformed_xml TEXT;
233 xml_node_list TEXT[];
235 joiner TEXT := default_joiner; -- XXX will index defs supply a joiner?
236 output_row metabib.field_entry_template%ROWTYPE;
240 SELECT INTO bib * FROM biblio.record_entry WHERE id = rid;
242 -- Loop over the indexing entries
243 FOR idx IN SELECT * FROM config.metabib_field ORDER BY format LOOP
245 SELECT INTO xfrm * from config.xml_transform WHERE name = idx.format;
247 -- See if we can skip the XSLT ... it's expensive
248 IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
249 -- Can't skip the transform
250 IF xfrm.xslt <> '---' THEN
251 transformed_xml := oils_xslt_process(bib.marc,xfrm.xslt);
253 transformed_xml := bib.marc;
256 prev_xfrm := xfrm.name;
259 xml_node_list := oils_xpath( idx.xpath, transformed_xml, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
262 FOR xml_node IN SELECT x FROM explode_array(xml_node_list) AS x LOOP
263 CONTINUE WHEN xml_node !~ E'^\\s*<';
264 IF raw_text IS NOT NULL THEN
265 raw_text := raw_text || joiner;
267 raw_text := COALESCE(raw_text,'') || ARRAY_TO_STRING(
268 oils_xpath( '//text()',
269 REGEXP_REPLACE( -- This escapes all &s not followed by "amp;". Data ise returned from oils_xpath (above) in UTF-8, not entity encoded
270 REGEXP_REPLACE( -- This escapes embeded <s
272 $re$(>[^<]+)(<)([^>]+<)$re$,
285 CONTINUE WHEN raw_text IS NULL;
287 output_row.field_class = idx.field_class;
288 output_row.field = idx.id;
289 output_row.source = rid;
290 output_row.value = BTRIM(REGEXP_REPLACE(raw_text, E'\\s+', ' ', 'g'));
292 RETURN NEXT output_row;
297 $func$ LANGUAGE PLPGSQL;
299 -- default to a space joiner
300 CREATE OR REPLACE FUNCTION biblio.extract_metabib_field_entry ( BIGINT ) RETURNS SETOF metabib.field_entry_template AS $func$
301 SELECT * FROM biblio.extract_metabib_field_entry($1, ' ');
304 CREATE OR REPLACE FUNCTION biblio.flatten_marc ( rid BIGINT ) RETURNS SETOF metabib.full_rec AS $func$
306 bib biblio.record_entry%ROWTYPE;
307 output metabib.full_rec%ROWTYPE;
310 SELECT INTO bib * FROM biblio.record_entry WHERE id = rid;
312 FOR field IN SELECT * FROM biblio.flatten_marc( bib.marc ) LOOP
313 output.record := rid;
314 output.ind1 := field.ind1;
315 output.ind2 := field.ind2;
316 output.tag := field.tag;
317 output.subfield := field.subfield;
318 IF field.subfield IS NOT NULL AND field.tag NOT IN ('020','022','024') THEN -- exclude standard numbers and control fields
319 output.value := naco_normalize(field.value, field.subfield);
321 output.value := field.value;
324 CONTINUE WHEN output.value IS NULL;
329 $func$ LANGUAGE PLPGSQL;
331 /* Old form of biblio.flatten_marc() relied on contrib/xml2 functions that got all crashy in PostgreSQL 8.4 */
332 -- CREATE OR REPLACE FUNCTION biblio.flatten_marc ( TEXT, BIGINT ) RETURNS SETOF metabib.full_rec AS $func$
333 -- SELECT NULL::bigint AS id, NULL::bigint, 'LDR'::char(3), NULL::TEXT, NULL::TEXT, NULL::TEXT, oils_xpath_string( '//*[local-name()="leader"]', $1 ), NULL::tsvector AS index_vector
335 -- SELECT NULL::bigint AS id, NULL::bigint, x.tag::char(3), NULL::TEXT, NULL::TEXT, NULL::TEXT, x.value, NULL::tsvector AS index_vector
336 -- FROM oils_xpath_table(
339 -- 'biblio.record_entry',
340 -- '//*[local-name()="controlfield"]/@tag|//*[local-name()="controlfield"]',
342 -- )x(record int, tag text, value text)
344 -- SELECT NULL::bigint AS id, NULL::bigint, x.tag::char(3), x.ind1, x.ind2, x.subfield, x.value, NULL::tsvector AS index_vector
345 -- FROM oils_xpath_table(
348 -- 'biblio.record_entry',
349 -- '//*[local-name()="datafield"]/@tag|' ||
350 -- '//*[local-name()="datafield"]/@ind1|' ||
351 -- '//*[local-name()="datafield"]/@ind2|' ||
352 -- '//*[local-name()="datafield"]/*/@code|' ||
353 -- '//*[local-name()="datafield"]/*[@code]',
355 -- )x(record int, tag text, ind1 text, ind2 text, subfield text, value text);
356 -- $func$ LANGUAGE SQL;
358 CREATE OR REPLACE FUNCTION biblio.flatten_marc ( TEXT ) RETURNS SETOF metabib.full_rec AS $func$
361 use MARC::File::XML (BinaryEncoding => 'UTF-8');
364 my $r = MARC::Record->new_from_xml( $xml );
366 return_next( { tag => 'LDR', value => $r->leader } );
368 for my $f ( $r->fields ) {
369 if ($f->is_control_field) {
370 return_next({ tag => $f->tag, value => $f->data });
372 for my $s ($f->subfields) {
375 ind1 => $f->indicator(1),
376 ind2 => $f->indicator(2),
381 if ( $f->tag eq '245' and $s->[0] eq 'a' ) {
382 my $trim = $f->indicator(2) || 0;
385 ind1 => $f->indicator(1),
386 ind2 => $f->indicator(2),
388 value => substr( $s->[1], $trim )
397 $func$ LANGUAGE PLPERLU;
399 CREATE OR REPLACE FUNCTION biblio.marc21_record_type( rid BIGINT ) RETURNS config.marc21_rec_type_map AS $func$
406 retval config.marc21_rec_type_map%ROWTYPE;
408 SELECT * INTO ldr FROM metabib.full_rec WHERE record = rid AND tag = 'LDR' LIMIT 1;
410 IF ldr.id IS NULL THEN
411 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE code = 'BKS';
415 SELECT * INTO tval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'Type' LIMIT 1; -- They're all the same
416 SELECT * INTO bval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'BLvl' LIMIT 1; -- They're all the same
419 tval := SUBSTRING( ldr.value, tval_rec.start_pos + 1, tval_rec.length );
420 bval := SUBSTRING( ldr.value, bval_rec.start_pos + 1, bval_rec.length );
422 -- RAISE NOTICE 'type %, blvl %, ldr %', tval, bval, ldr.value;
424 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE type_val LIKE '%' || tval || '%' AND blvl_val LIKE '%' || bval || '%';
427 IF retval.code IS NULL THEN
428 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE code = 'BKS';
433 $func$ LANGUAGE PLPGSQL;
435 CREATE OR REPLACE FUNCTION biblio.marc21_extract_fixed_field( rid BIGINT, ff TEXT ) RETURNS TEXT AS $func$
442 rtype := (biblio.marc21_record_type( rid )).code;
443 FOR ff_pos IN SELECT * FROM config.marc21_ff_pos_map WHERE fixed_field = ff AND rec_type = rtype ORDER BY tag DESC LOOP
444 FOR tag_data IN SELECT * FROM metabib.full_rec WHERE tag = UPPER(ff_pos.tag) AND record = rid LOOP
445 val := SUBSTRING( tag_data.value, ff_pos.start_pos + 1, ff_pos.length );
448 val := REPEAT( ff_pos.default_val, ff_pos.length );
454 $func$ LANGUAGE PLPGSQL;
456 CREATE TYPE biblio.marc21_physical_characteristics AS ( id INT, record BIGINT, ptype TEXT, subfield INT, value INT );
457 CREATE OR REPLACE FUNCTION biblio.marc21_physical_characteristics( rid BIGINT ) RETURNS SETOF biblio.marc21_physical_characteristics AS $func$
461 ptype config.marc21_physical_characteristic_type_map%ROWTYPE;
462 psf config.marc21_physical_characteristic_subfield_map%ROWTYPE;
463 pval config.marc21_physical_characteristic_value_map%ROWTYPE;
464 retval biblio.marc21_physical_characteristics%ROWTYPE;
467 SELECT * INTO _007 FROM metabib.full_rec WHERE record = rid AND tag = '007' LIMIT 1;
469 IF _007.id IS NOT NULL THEN
470 SELECT * INTO ptype FROM config.marc21_physical_characteristic_type_map WHERE ptype_key = SUBSTRING( _007.value, 1, 1 );
472 IF ptype.ptype_key IS NOT NULL THEN
473 FOR psf IN SELECT * FROM config.marc21_physical_characteristic_subfield_map WHERE ptype_key = ptype.ptype_key LOOP
474 SELECT * INTO pval FROM config.marc21_physical_characteristic_value_map WHERE ptype_subfield = psf.id AND value = SUBSTRING( _007.value, psf.start_pos + 1, psf.length );
476 IF pval.id IS NOT NULL THEN
479 retval.record := rid;
480 retval.ptype := ptype.ptype_key;
481 retval.subfield := psf.id;
482 retval.value := pval.id;
492 $func$ LANGUAGE PLPGSQL;
494 CREATE OR REPLACE FUNCTION biblio.extract_quality ( marc TEXT, best_lang TEXT, best_type TEXT ) RETURNS INT AS $func$
507 IF marc IS NULL OR marc = '' THEN
511 -- First, the count of tags
512 qual := ARRAY_UPPER(oils_xpath('*[local-name()="datafield"]', marc), 1);
514 -- now go through a bunch of pain to get the record type
515 IF best_type IS NOT NULL THEN
516 ldr := (oils_xpath('//*[local-name()="leader"]/text()', marc))[1];
518 IF ldr IS NOT NULL THEN
519 SELECT * INTO tval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'Type' LIMIT 1; -- They're all the same
520 SELECT * INTO bval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'BLvl' LIMIT 1; -- They're all the same
523 tval := SUBSTRING( ldr, tval_rec.start_pos + 1, tval_rec.length );
524 bval := SUBSTRING( ldr, bval_rec.start_pos + 1, bval_rec.length );
526 -- RAISE NOTICE 'type %, blvl %, ldr %', tval, bval, ldr;
528 SELECT * INTO type_map FROM config.marc21_rec_type_map WHERE type_val LIKE '%' || tval || '%' AND blvl_val LIKE '%' || bval || '%';
530 IF type_map.code IS NOT NULL THEN
531 IF best_type = type_map.code THEN
532 qual := qual + qual / 2;
535 FOR ff_pos IN SELECT * FROM config.marc21_ff_pos_map WHERE fixed_field = 'Lang' AND rec_type = type_map.code ORDER BY tag DESC LOOP
536 ff_tag_data := SUBSTRING((oils_xpath('//*[@tag="' || ff_pos.tag || '"]/text()',marc))[1], ff_pos.start_pos + 1, ff_pos.length);
537 IF ff_tag_data = best_lang THEN
545 -- Now look for some quality metrics
547 IF ARRAY_UPPER(oils_xpath('//*[@tag="040"]/*[@code="a" and contains(.,"DLC")]', marc), 1) = 1 THEN
552 IF (oils_xpath('//*[@tag="003"]/text()', marc))[1] ~* E'oclo?c' THEN
559 $func$ LANGUAGE PLPGSQL;
561 CREATE OR REPLACE FUNCTION biblio.extract_fingerprint ( marc text ) RETURNS TEXT AS $func$
563 idx config.biblio_fingerprint%ROWTYPE;
564 xfrm config.xml_transform%ROWTYPE;
566 transformed_xml TEXT;
568 xml_node_list TEXT[];
570 output_text TEXT := '';
573 IF marc IS NULL OR marc = '' THEN
577 -- Loop over the indexing entries
578 FOR idx IN SELECT * FROM config.biblio_fingerprint ORDER BY format, id LOOP
580 SELECT INTO xfrm * from config.xml_transform WHERE name = idx.format;
582 -- See if we can skip the XSLT ... it's expensive
583 IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
584 -- Can't skip the transform
585 IF xfrm.xslt <> '---' THEN
586 transformed_xml := oils_xslt_process(marc,xfrm.xslt);
588 transformed_xml := marc;
591 prev_xfrm := xfrm.name;
594 raw_text := COALESCE(
602 ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]
611 raw_text := REGEXP_REPLACE(raw_text, E'\\[.+?\\]', E'');
612 raw_text := REGEXP_REPLACE(raw_text, E'\\mthe\\M|\\man?d?d\\M', E'', 'g'); -- arg! the pain!
614 IF idx.first_word IS TRUE THEN
615 raw_text := REGEXP_REPLACE(raw_text, E'^(\\w+).*?$', E'\\1');
618 output_text := output_text || REGEXP_REPLACE(raw_text, E'\\s+', '', 'g');
625 $func$ LANGUAGE PLPGSQL;
627 -- BEFORE UPDATE OR INSERT trigger for biblio.record_entry
628 CREATE OR REPLACE FUNCTION biblio.fingerprint_trigger () RETURNS TRIGGER AS $func$
631 -- For TG_ARGV, first param is language (like 'eng'), second is record type (like 'BKS')
633 IF NEW.deleted IS TRUE THEN -- we don't much care, then, do we?
637 NEW.fingerprint := biblio.extract_fingerprint(NEW.marc);
638 NEW.quality := biblio.extract_quality(NEW.marc, TG_ARGV[0], TG_ARGV[1]);
643 $func$ LANGUAGE PLPGSQL;
645 -- AFTER UPDATE OR INSERT trigger for biblio.record_entry
646 CREATE OR REPLACE FUNCTION biblio.indexing_ingest_or_delete () RETURNS TRIGGER AS $func$
648 ind_data metabib.field_entry_template%ROWTYPE;
650 tmp_mr metabib.metarecord%ROWTYPE;
665 IF NEW.deleted IS TRUE THEN
666 DELETE FROM metabib.metarecord_source_map WHERE source = NEW.id; -- Rid ourselves of the search-estimate-killing linkage
667 RETURN NEW; -- and we're done
670 IF TG_OP = 'UPDATE' THEN -- re-ingest?
671 PERFORM * FROM config.internal_flag WHERE name = 'ingest.reingest.force_on_same_marc' AND enabled;
673 IF NOT FOUND AND OLD.marc = NEW.marc THEN -- don't do anything if the MARC didn't change
677 DELETE FROM metabib.metarecord_source_map WHERE source = NEW.id; -- Rid ourselves of the search-estimate-killing linkage
681 IF TG_OP = 'UPDATE' THEN -- Clean out the cruft
682 DELETE FROM metabib.title_field_entry WHERE source = NEW.id;
683 DELETE FROM metabib.author_field_entry WHERE source = NEW.id;
684 DELETE FROM metabib.subject_field_entry WHERE source = NEW.id;
685 DELETE FROM metabib.keyword_field_entry WHERE source = NEW.id;
686 DELETE FROM metabib.series_field_entry WHERE source = NEW.id;
687 DELETE FROM metabib.full_rec WHERE record = NEW.id;
688 DELETE FROM metabib.rec_descriptor WHERE record = NEW.id;
692 -- Shove the flattened MARC in
693 INSERT INTO metabib.full_rec (record, tag, ind1, ind2, subfield, value)
694 SELECT record, tag, ind1, ind2, subfield, value FROM biblio.flatten_marc( NEW.id );
696 -- And now the indexing data
697 FOR ind_data IN SELECT * FROM biblio.extract_metabib_field_entry( NEW.id ) LOOP
698 IF ind_data.field_class = 'title' THEN
699 INSERT INTO metabib.title_field_entry (field, source, value)
700 VALUES (ind_data.field, ind_data.source, ind_data.value);
701 ELSIF ind_data.field_class = 'author' THEN
702 INSERT INTO metabib.author_field_entry (field, source, value)
703 VALUES (ind_data.field, ind_data.source, ind_data.value);
704 ELSIF ind_data.field_class = 'subject' THEN
705 INSERT INTO metabib.subject_field_entry (field, source, value)
706 VALUES (ind_data.field, ind_data.source, ind_data.value);
707 ELSIF ind_data.field_class = 'keyword' THEN
708 INSERT INTO metabib.keyword_field_entry (field, source, value)
709 VALUES (ind_data.field, ind_data.source, ind_data.value);
710 ELSIF ind_data.field_class = 'series' THEN
711 INSERT INTO metabib.series_field_entry (field, source, value)
712 VALUES (ind_data.field, ind_data.source, ind_data.value);
716 -- Then, the rec_descriptor
717 INSERT INTO metabib.rec_descriptor (record, item_type, item_form, bib_level, control_type, enc_level, audience, lit_form, type_mat, cat_form, pub_status, item_lang, vr_format, date1, date2)
719 biblio.marc21_extract_fixed_field( NEW.id, 'Type' ),
720 biblio.marc21_extract_fixed_field( NEW.id, 'Form' ),
721 biblio.marc21_extract_fixed_field( NEW.id, 'BLvl' ),
722 biblio.marc21_extract_fixed_field( NEW.id, 'Ctrl' ),
723 biblio.marc21_extract_fixed_field( NEW.id, 'ELvl' ),
724 biblio.marc21_extract_fixed_field( NEW.id, 'Audn' ),
725 biblio.marc21_extract_fixed_field( NEW.id, 'LitF' ),
726 biblio.marc21_extract_fixed_field( NEW.id, 'TMat' ),
727 biblio.marc21_extract_fixed_field( NEW.id, 'Desc' ),
728 biblio.marc21_extract_fixed_field( NEW.id, 'DtSt' ),
729 biblio.marc21_extract_fixed_field( NEW.id, 'Lang' ),
731 FROM biblio.marc21_physical_characteristics( NEW.id) p
732 JOIN config.marc21_physical_characteristic_subfield_map s ON (s.id = p.subfield)
733 JOIN config.marc21_physical_characteristic_value_map v ON (v.id = p.value)
734 WHERE p.ptype = 'v' AND s.subfield = 'e' ),
735 biblio.marc21_extract_fixed_field( NEW.id, 'Date1'),
736 biblio.marc21_extract_fixed_field( NEW.id, 'Date2');
739 uris := oils_xpath('//*[@tag="856" and (@ind1="4" or @ind1="1") and (@ind2="0" or @ind2="1")]',NEW.marc);
740 IF ARRAY_UPPER(uris,1) > 0 THEN
741 FOR i IN 1 .. ARRAY_UPPER(uris, 1) LOOP
742 -- First we pull infot out of the 856
745 uri_href := (oils_xpath('//*[@code="u"]/text()',uri_xml))[1];
746 CONTINUE WHEN uri_href IS NULL;
748 uri_label := (oils_xpath('//*[@code="y"]/text()|//*[@code="3"]/text()|//*[@code="u"]/text()',uri_xml))[1];
749 CONTINUE WHEN uri_label IS NULL;
751 uri_owner := (oils_xpath('//*[@code="9"]/text()|//*[@code="w"]/text()|//*[@code="n"]/text()',uri_xml))[1];
752 CONTINUE WHEN uri_owner IS NULL;
754 uri_use := (oils_xpath('//*[@code="z"]/text()|//*[@code="2"]/text()|//*[@code="n"]/text()',uri_xml))[1];
756 uri_owner := REGEXP_REPLACE(uri_owner, $re$^.*?\((\w+)\).*$$re$, E'\\1');
758 SELECT id INTO uri_owner_id FROM actor.org_unit WHERE shortname = uri_owner;
759 CONTINUE WHEN NOT FOUND;
761 -- now we look for a matching uri
762 SELECT id INTO uri_id FROM asset.uri WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active;
763 IF NOT FOUND THEN -- create one
764 INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
765 SELECT id INTO uri_id FROM asset.uri WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active;
768 -- we need a call number to link through
769 SELECT id INTO uri_cn_id FROM asset.call_number WHERE owning_lib = uri_owner_id AND record = NEW.id AND label = '##URI##' AND NOT deleted;
771 INSERT INTO asset.call_number (owning_lib, record, create_date, edit_date, creator, editor, label)
772 VALUES (uri_owner_id, NEW.id, 'now', 'now', NEW.editor, NEW.editor, '##URI##');
773 SELECT id INTO uri_cn_id FROM asset.call_number WHERE owning_lib = uri_owner_id AND record = NEW.id AND label = '##URI##' AND NOT deleted;
776 -- now, link them if they're not already
777 SELECT id INTO uri_map_id FROM asset.uri_call_number_map WHERE call_number = uri_cn_id AND uri = uri_id;
779 INSERT INTO asset.uri_call_number_map (call_number, uri) VALUES (uri_cn_id, uri_id);
785 -- And, finally, metarecord mapping!
787 PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_insert' AND enabled;
789 IF NOT FOUND OR TG_OP = 'UPDATE' THEN
790 FOR tmp_mr IN SELECT m.* FROM metabib.metarecord m JOIN metabib.metarecord_source_map s ON (s.metarecord = m.id) WHERE s.source = NEW.id LOOP
792 IF old_mr IS NULL AND NEW.fingerprint = tmp_mr.fingerprint THEN -- Find the first fingerprint-matching
795 SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = tmp_mr.id;
796 IF source_count = 0 THEN -- No other records
797 deleted_mrs := ARRAY_APPEND(deleted_mrs, tmp_mr.id);
798 DELETE FROM metabib.metarecord WHERE id = tmp_mr.id;
804 IF old_mr IS NULL THEN -- we found no suitable, preexisting MR based on old source maps
805 SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = NEW.fingerprint; -- is there one for our current fingerprint?
806 IF old_mr IS NULL THEN -- nope, create one and grab its id
807 INSERT INTO metabib.metarecord ( fingerprint, master_record ) VALUES ( NEW.fingerprint, NEW.id );
808 SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = NEW.fingerprint;
809 ELSE -- indeed there is. update it with a null cache and recalcualated master record
810 UPDATE metabib.metarecord
812 master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = NEW.fingerprint ORDER BY quality DESC LIMIT 1)
815 ELSE -- there was one we already attached to, update its mods cache and master_record
816 UPDATE metabib.metarecord
818 master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = NEW.fingerprint ORDER BY quality DESC LIMIT 1)
822 INSERT INTO metabib.metarecord_source_map (metarecord, source) VALUES (old_mr, NEW.id); -- new source mapping
824 UPDATE action.hold_request SET target = old_mr WHERE target IN ( SELECT explode_array(deleted_mrs) ) AND hold_type = 'M'; -- if we had to delete any MRs above, make sure their holds are moved
830 $func$ LANGUAGE PLPGSQL;