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 IF EXISTS 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.identifier_field_entry (
33 id BIGSERIAL PRIMARY KEY,
34 source BIGINT NOT NULL,
37 index_vector tsvector NOT NULL
39 CREATE TRIGGER metabib_identifier_field_entry_fti_trigger
40 BEFORE UPDATE OR INSERT ON metabib.identifier_field_entry
41 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('identifier');
43 CREATE INDEX metabib_identifier_field_entry_index_vector_idx ON metabib.identifier_field_entry USING GIST (index_vector);
44 CREATE INDEX metabib_identifier_field_entry_value_idx ON metabib.identifier_field_entry (SUBSTRING(value,1,1024)) WHERE index_vector = ''::TSVECTOR;
45 CREATE INDEX metabib_identifier_field_entry_source_idx ON metabib.identifier_field_entry (source);
47 CREATE TABLE metabib.combined_identifier_field_entry (
48 record BIGINT NOT NULL,
49 metabib_field INT NULL,
50 index_vector tsvector NOT NULL
52 CREATE UNIQUE INDEX metabib_combined_identifier_field_entry_fakepk_idx ON metabib.combined_identifier_field_entry (record, COALESCE(metabib_field::TEXT,''));
53 CREATE INDEX metabib_combined_identifier_field_entry_index_vector_idx ON metabib.combined_identifier_field_entry USING GIST (index_vector);
54 CREATE INDEX metabib_combined_identifier_field_source_idx ON metabib.combined_identifier_field_entry (metabib_field);
56 CREATE TABLE metabib.title_field_entry (
57 id BIGSERIAL PRIMARY KEY,
58 source BIGINT NOT NULL,
61 index_vector tsvector NOT NULL
63 CREATE TRIGGER metabib_title_field_entry_fti_trigger
64 BEFORE UPDATE OR INSERT ON metabib.title_field_entry
65 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('title');
67 CREATE INDEX metabib_title_field_entry_index_vector_idx ON metabib.title_field_entry USING GIST (index_vector);
68 CREATE INDEX metabib_title_field_entry_value_idx ON metabib.title_field_entry (SUBSTRING(value,1,1024)) WHERE index_vector = ''::TSVECTOR;
69 CREATE INDEX metabib_title_field_entry_source_idx ON metabib.title_field_entry (source);
71 CREATE TABLE metabib.combined_title_field_entry (
72 record BIGINT NOT NULL,
73 metabib_field INT NULL,
74 index_vector tsvector NOT NULL
76 CREATE UNIQUE INDEX metabib_combined_title_field_entry_fakepk_idx ON metabib.combined_title_field_entry (record, COALESCE(metabib_field::TEXT,''));
77 CREATE INDEX metabib_combined_title_field_entry_index_vector_idx ON metabib.combined_title_field_entry USING GIST (index_vector);
78 CREATE INDEX metabib_combined_title_field_source_idx ON metabib.combined_title_field_entry (metabib_field);
80 CREATE TABLE metabib.author_field_entry (
81 id BIGSERIAL PRIMARY KEY,
82 source BIGINT NOT NULL,
85 index_vector tsvector NOT NULL
87 CREATE TRIGGER metabib_author_field_entry_fti_trigger
88 BEFORE UPDATE OR INSERT ON metabib.author_field_entry
89 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('author');
91 CREATE INDEX metabib_author_field_entry_index_vector_idx ON metabib.author_field_entry USING GIST (index_vector);
92 CREATE INDEX metabib_author_field_entry_value_idx ON metabib.author_field_entry (SUBSTRING(value,1,1024)) WHERE index_vector = ''::TSVECTOR;
93 CREATE INDEX metabib_author_field_entry_source_idx ON metabib.author_field_entry (source);
95 CREATE TABLE metabib.combined_author_field_entry (
96 record BIGINT NOT NULL,
97 metabib_field INT NULL,
98 index_vector tsvector NOT NULL
100 CREATE UNIQUE INDEX metabib_combined_author_field_entry_fakepk_idx ON metabib.combined_author_field_entry (record, COALESCE(metabib_field::TEXT,''));
101 CREATE INDEX metabib_combined_author_field_entry_index_vector_idx ON metabib.combined_author_field_entry USING GIST (index_vector);
102 CREATE INDEX metabib_combined_author_field_source_idx ON metabib.combined_author_field_entry (metabib_field);
104 CREATE TABLE metabib.subject_field_entry (
105 id BIGSERIAL PRIMARY KEY,
106 source BIGINT NOT NULL,
109 index_vector tsvector NOT NULL
111 CREATE TRIGGER metabib_subject_field_entry_fti_trigger
112 BEFORE UPDATE OR INSERT ON metabib.subject_field_entry
113 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('subject');
115 CREATE INDEX metabib_subject_field_entry_index_vector_idx ON metabib.subject_field_entry USING GIST (index_vector);
116 CREATE INDEX metabib_subject_field_entry_value_idx ON metabib.subject_field_entry (SUBSTRING(value,1,1024)) WHERE index_vector = ''::TSVECTOR;
117 CREATE INDEX metabib_subject_field_entry_source_idx ON metabib.subject_field_entry (source);
119 CREATE TABLE metabib.combined_subject_field_entry (
120 record BIGINT NOT NULL,
121 metabib_field INT NULL,
122 index_vector tsvector NOT NULL
124 CREATE UNIQUE INDEX metabib_combined_subject_field_entry_fakepk_idx ON metabib.combined_subject_field_entry (record, COALESCE(metabib_field::TEXT,''));
125 CREATE INDEX metabib_combined_subject_field_entry_index_vector_idx ON metabib.combined_subject_field_entry USING GIST (index_vector);
126 CREATE INDEX metabib_combined_subject_field_source_idx ON metabib.combined_subject_field_entry (metabib_field);
128 CREATE TABLE metabib.keyword_field_entry (
129 id BIGSERIAL PRIMARY KEY,
130 source BIGINT NOT NULL,
133 index_vector tsvector NOT NULL
135 CREATE TRIGGER metabib_keyword_field_entry_fti_trigger
136 BEFORE UPDATE OR INSERT ON metabib.keyword_field_entry
137 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('keyword');
139 CREATE INDEX metabib_keyword_field_entry_index_vector_idx ON metabib.keyword_field_entry USING GIST (index_vector);
140 CREATE INDEX metabib_keyword_field_entry_value_idx ON metabib.keyword_field_entry (SUBSTRING(value,1,1024)) WHERE index_vector = ''::TSVECTOR;
141 CREATE INDEX metabib_keyword_field_entry_source_idx ON metabib.keyword_field_entry (source);
143 CREATE TABLE metabib.combined_keyword_field_entry (
144 record BIGINT NOT NULL,
145 metabib_field INT NULL,
146 index_vector tsvector NOT NULL
148 CREATE UNIQUE INDEX metabib_combined_keyword_field_entry_fakepk_idx ON metabib.combined_keyword_field_entry (record, COALESCE(metabib_field::TEXT,''));
149 CREATE INDEX metabib_combined_keyword_field_entry_index_vector_idx ON metabib.combined_keyword_field_entry USING GIST (index_vector);
150 CREATE INDEX metabib_combined_keyword_field_source_idx ON metabib.combined_keyword_field_entry (metabib_field);
152 CREATE TABLE metabib.series_field_entry (
153 id BIGSERIAL PRIMARY KEY,
154 source BIGINT NOT NULL,
157 index_vector tsvector NOT NULL
159 CREATE TRIGGER metabib_series_field_entry_fti_trigger
160 BEFORE UPDATE OR INSERT ON metabib.series_field_entry
161 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('series');
163 CREATE INDEX metabib_series_field_entry_index_vector_idx ON metabib.series_field_entry USING GIST (index_vector);
164 CREATE INDEX metabib_series_field_entry_value_idx ON metabib.series_field_entry (SUBSTRING(value,1,1024)) WHERE index_vector = ''::TSVECTOR;
165 CREATE INDEX metabib_series_field_entry_source_idx ON metabib.series_field_entry (source);
167 CREATE TABLE metabib.combined_series_field_entry (
168 record BIGINT NOT NULL,
169 metabib_field INT NULL,
170 index_vector tsvector NOT NULL
172 CREATE UNIQUE INDEX metabib_combined_series_field_entry_fakepk_idx ON metabib.combined_series_field_entry (record, COALESCE(metabib_field::TEXT,''));
173 CREATE INDEX metabib_combined_series_field_entry_index_vector_idx ON metabib.combined_series_field_entry USING GIST (index_vector);
174 CREATE INDEX metabib_combined_series_field_source_idx ON metabib.combined_series_field_entry (metabib_field);
176 CREATE TABLE metabib.facet_entry (
177 id BIGSERIAL PRIMARY KEY,
178 source BIGINT NOT NULL,
182 CREATE INDEX metabib_facet_entry_field_idx ON metabib.facet_entry (field);
183 CREATE INDEX metabib_facet_entry_value_idx ON metabib.facet_entry (SUBSTRING(value,1,1024));
184 CREATE INDEX metabib_facet_entry_source_idx ON metabib.facet_entry (source);
186 CREATE TABLE metabib.browse_entry (
187 id BIGSERIAL PRIMARY KEY,
189 index_vector tsvector,
190 sort_value TEXT NOT NULL,
191 UNIQUE(sort_value, value)
195 CREATE INDEX browse_entry_sort_value_idx
196 ON metabib.browse_entry USING BTREE (sort_value);
198 CREATE INDEX metabib_browse_entry_index_vector_idx ON metabib.browse_entry USING GIN (index_vector);
199 CREATE TRIGGER metabib_browse_entry_fti_trigger
200 BEFORE INSERT OR UPDATE ON metabib.browse_entry
201 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('keyword');
204 CREATE TABLE metabib.browse_entry_def_map (
205 id BIGSERIAL PRIMARY KEY,
206 entry BIGINT REFERENCES metabib.browse_entry (id),
207 def INT REFERENCES config.metabib_field (id) ON UPDATE CASCADE DEFERRABLE INITIALLY DEFERRED,
208 source BIGINT REFERENCES biblio.record_entry (id),
209 authority BIGINT REFERENCES authority.record_entry (id) ON DELETE SET NULL
211 CREATE INDEX browse_entry_def_map_def_idx ON metabib.browse_entry_def_map (def);
212 CREATE INDEX browse_entry_def_map_entry_idx ON metabib.browse_entry_def_map (entry);
213 CREATE INDEX browse_entry_def_map_source_idx ON metabib.browse_entry_def_map (source);
215 CREATE TABLE metabib.browse_entry_simple_heading_map (
216 id BIGSERIAL PRIMARY KEY,
217 entry BIGINT REFERENCES metabib.browse_entry (id),
218 simple_heading BIGINT REFERENCES authority.simple_heading (id) ON DELETE CASCADE
220 CREATE INDEX browse_entry_sh_map_entry_idx ON metabib.browse_entry_simple_heading_map (entry);
221 CREATE INDEX browse_entry_sh_map_sh_idx ON metabib.browse_entry_simple_heading_map (simple_heading);
223 CREATE OR REPLACE FUNCTION metabib.facet_normalize_trigger () RETURNS TRIGGER AS $$
228 facet_text := NEW.value;
231 SELECT n.func AS func,
232 n.param_count AS param_count,
234 FROM config.index_normalizer n
235 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
236 WHERE m.field = NEW.field AND m.pos < 0
239 EXECUTE 'SELECT ' || normalizer.func || '(' ||
240 quote_literal( facet_text ) ||
242 WHEN normalizer.param_count > 0
243 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
250 NEW.value = facet_text;
256 CREATE TRIGGER facet_normalize_tgr
257 BEFORE UPDATE OR INSERT ON metabib.facet_entry
258 FOR EACH ROW EXECUTE PROCEDURE metabib.facet_normalize_trigger();
260 CREATE OR REPLACE FUNCTION evergreen.facet_force_nfc() RETURNS TRIGGER AS $$
262 NEW.value := force_unicode_normal_form(NEW.value,'NFC');
267 CREATE TRIGGER facet_force_nfc_tgr
268 BEFORE UPDATE OR INSERT ON metabib.facet_entry
269 FOR EACH ROW EXECUTE PROCEDURE evergreen.facet_force_nfc();
271 CREATE TABLE metabib.record_attr (
272 id BIGINT PRIMARY KEY REFERENCES biblio.record_entry (id) ON DELETE CASCADE,
273 attrs HSTORE NOT NULL DEFAULT ''::HSTORE
275 CREATE INDEX metabib_svf_attrs_idx ON metabib.record_attr USING GIST (attrs);
276 CREATE INDEX metabib_svf_date1_idx ON metabib.record_attr ((attrs->'date1'));
277 CREATE INDEX metabib_svf_dates_idx ON metabib.record_attr ((attrs->'date1'),(attrs->'date2'));
279 -- Back-compat view ... we're moving to an HSTORE world
280 CREATE TYPE metabib.rec_desc_type AS (
298 CREATE VIEW metabib.rec_descriptor AS
301 (populate_record(NULL::metabib.rec_desc_type, attrs)).*
302 FROM metabib.record_attr;
304 -- Use a sequence that matches previous version, for easier upgrading.
305 CREATE SEQUENCE metabib.full_rec_id_seq;
307 CREATE TABLE metabib.real_full_rec (
308 id BIGINT NOT NULL DEFAULT NEXTVAL('metabib.full_rec_id_seq'::REGCLASS),
309 record BIGINT NOT NULL,
310 tag CHAR(3) NOT NULL,
315 index_vector tsvector NOT NULL
317 ALTER TABLE metabib.real_full_rec ADD PRIMARY KEY (id);
319 CREATE INDEX metabib_full_rec_tag_subfield_idx ON metabib.real_full_rec (tag,subfield);
320 CREATE INDEX metabib_full_rec_value_idx ON metabib.real_full_rec (substring(value,1,1024));
321 /* Enable LIKE to use an index for database clusters with locales other than C or POSIX */
322 CREATE INDEX metabib_full_rec_value_tpo_index ON metabib.real_full_rec (substring(value,1,1024) text_pattern_ops);
323 CREATE INDEX metabib_full_rec_record_idx ON metabib.real_full_rec (record);
324 CREATE INDEX metabib_full_rec_index_vector_idx ON metabib.real_full_rec USING GIST (index_vector);
325 CREATE INDEX metabib_full_rec_isxn_caseless_idx
326 ON metabib.real_full_rec (LOWER(value))
327 WHERE tag IN ('020', '022', '024');
328 -- This next index might fully supplant the one above, but leaving both for now.
329 -- (they are not too large)
330 -- The reason we need this index is to ensure that the query parser always
331 -- prefers this index over the simpler tag/subfield index, as this greatly
332 -- increases Vandelay overlay speed for these identifiers, especially when
333 -- a record has many of these fields (around > 4-6 seems like the cutoff
334 -- on at least one PG9.1 system)
335 -- A similar index could be added for other fields (e.g. 010), but one should
336 -- leave out the LOWER() in all other cases.
337 -- TODO: verify whether we can discard the non tag/subfield/substring version
338 -- above (metabib_full_rec_isxn_caseless_idx)
339 CREATE INDEX metabib_full_rec_02x_tag_subfield_lower_substring
340 ON metabib.real_full_rec (tag, subfield, LOWER(substring(value, 1, 1024)))
341 WHERE tag IN ('020', '022', '024');
344 CREATE TRIGGER metabib_full_rec_fti_trigger
345 BEFORE UPDATE OR INSERT ON metabib.real_full_rec
346 FOR EACH ROW EXECUTE PROCEDURE oils_tsearch2('default');
348 CREATE OR REPLACE VIEW metabib.full_rec AS
355 SUBSTRING(value,1,1024) AS value,
357 FROM metabib.real_full_rec;
359 CREATE OR REPLACE RULE metabib_full_rec_insert_rule
360 AS ON INSERT TO metabib.full_rec
362 INSERT INTO metabib.real_full_rec VALUES (
363 COALESCE(NEW.id, NEXTVAL('metabib.full_rec_id_seq'::REGCLASS)),
373 CREATE OR REPLACE RULE metabib_full_rec_update_rule
374 AS ON UPDATE TO metabib.full_rec
376 UPDATE metabib.real_full_rec SET
382 subfield = NEW.subfield,
384 index_vector = NEW.index_vector
387 CREATE OR REPLACE RULE metabib_full_rec_delete_rule
388 AS ON DELETE TO metabib.full_rec
390 DELETE FROM metabib.real_full_rec WHERE id = OLD.id;
392 CREATE TABLE metabib.metarecord_source_map (
393 id BIGSERIAL PRIMARY KEY,
394 metarecord BIGINT NOT NULL,
395 source BIGINT NOT NULL
397 CREATE INDEX metabib_metarecord_source_map_metarecord_idx ON metabib.metarecord_source_map (metarecord);
398 CREATE INDEX metabib_metarecord_source_map_source_record_idx ON metabib.metarecord_source_map (source);
400 CREATE TYPE metabib.field_entry_template AS (
413 CREATE OR REPLACE FUNCTION biblio.extract_metabib_field_entry ( rid BIGINT, default_joiner TEXT ) RETURNS SETOF metabib.field_entry_template AS $func$
415 bib biblio.record_entry%ROWTYPE;
416 idx config.metabib_field%ROWTYPE;
417 xfrm config.xml_transform%ROWTYPE;
419 transformed_xml TEXT;
421 xml_node_list TEXT[];
427 joiner TEXT := default_joiner; -- XXX will index defs supply a joiner?
429 authority_link BIGINT;
430 output_row metabib.field_entry_template%ROWTYPE;
433 -- Start out with no field-use bools set
434 output_row.browse_field = FALSE;
435 output_row.facet_field = FALSE;
436 output_row.search_field = FALSE;
439 SELECT INTO bib * FROM biblio.record_entry WHERE id = rid;
441 -- Loop over the indexing entries
442 FOR idx IN SELECT * FROM config.metabib_field ORDER BY format LOOP
444 joiner := COALESCE(idx.joiner, default_joiner);
446 SELECT INTO xfrm * from config.xml_transform WHERE name = idx.format;
448 -- See if we can skip the XSLT ... it's expensive
449 IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
450 -- Can't skip the transform
451 IF xfrm.xslt <> '---' THEN
452 transformed_xml := oils_xslt_process(bib.marc,xfrm.xslt);
454 transformed_xml := bib.marc;
457 prev_xfrm := xfrm.name;
460 xml_node_list := oils_xpath( idx.xpath, transformed_xml, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
463 FOR xml_node IN SELECT x FROM unnest(xml_node_list) AS x LOOP
464 CONTINUE WHEN xml_node !~ E'^\\s*<';
466 -- XXX much of this should be moved into oils_xpath_string...
467 curr_text := ARRAY_TO_STRING(evergreen.array_remove_item_by_value(evergreen.array_remove_item_by_value(
468 oils_xpath( '//text()',
470 REGEXP_REPLACE( -- This escapes all &s not followed by "amp;". Data ise returned from oils_xpath (above) in UTF-8, not entity encoded
471 REGEXP_REPLACE( -- This escapes embeded <s
473 $re$(>[^<]+)(<)([^>]+<)$re$,
489 CONTINUE WHEN curr_text IS NULL OR curr_text = '';
491 IF raw_text IS NOT NULL THEN
492 raw_text := raw_text || joiner;
495 raw_text := COALESCE(raw_text,'') || curr_text;
497 -- autosuggest/metabib.browse_entry
498 IF idx.browse_field THEN
500 IF idx.browse_xpath IS NOT NULL AND idx.browse_xpath <> '' THEN
501 browse_text := oils_xpath_string( idx.browse_xpath, xml_node, joiner, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
503 browse_text := curr_text;
506 IF idx.browse_sort_xpath IS NOT NULL AND
507 idx.browse_sort_xpath <> '' THEN
509 sort_value := oils_xpath_string(
510 idx.browse_sort_xpath, xml_node, joiner,
511 ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]
514 sort_value := browse_text;
517 output_row.field_class = idx.field_class;
518 output_row.field = idx.id;
519 output_row.source = rid;
520 output_row.value = BTRIM(REGEXP_REPLACE(browse_text, E'\\s+', ' ', 'g'));
521 output_row.sort_value :=
522 public.naco_normalize(sort_value);
524 output_row.authority := NULL;
526 IF idx.authority_xpath IS NOT NULL AND idx.authority_xpath <> '' THEN
527 authority_text := oils_xpath_string(
528 idx.authority_xpath, xml_node, joiner,
530 ARRAY[xfrm.prefix, xfrm.namespace_uri],
531 ARRAY['xlink','http://www.w3.org/1999/xlink']
535 IF authority_text ~ '^\d+$' THEN
536 authority_link := authority_text::BIGINT;
537 PERFORM * FROM authority.record_entry WHERE id = authority_link;
539 output_row.authority := authority_link;
545 output_row.browse_field = TRUE;
546 -- Returning browse rows with search_field = true for search+browse
547 -- configs allows us to retain granularity of being able to search
548 -- browse fields with "starts with" type operators (for example, for
549 -- titles of songs in music albums)
550 IF idx.search_field THEN
551 output_row.search_field = TRUE;
553 RETURN NEXT output_row;
554 output_row.browse_field = FALSE;
555 output_row.search_field = FALSE;
556 output_row.sort_value := NULL;
559 -- insert raw node text for faceting
560 IF idx.facet_field THEN
562 IF idx.facet_xpath IS NOT NULL AND idx.facet_xpath <> '' THEN
563 facet_text := oils_xpath_string( idx.facet_xpath, xml_node, joiner, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
565 facet_text := curr_text;
568 output_row.field_class = idx.field_class;
569 output_row.field = -1 * idx.id;
570 output_row.source = rid;
571 output_row.value = BTRIM(REGEXP_REPLACE(facet_text, E'\\s+', ' ', 'g'));
573 output_row.facet_field = TRUE;
574 RETURN NEXT output_row;
575 output_row.facet_field = FALSE;
580 CONTINUE WHEN raw_text IS NULL OR raw_text = '';
582 -- insert combined node text for searching
583 IF idx.search_field THEN
584 output_row.field_class = idx.field_class;
585 output_row.field = idx.id;
586 output_row.source = rid;
587 output_row.value = BTRIM(REGEXP_REPLACE(raw_text, E'\\s+', ' ', 'g'));
589 output_row.search_field = TRUE;
590 RETURN NEXT output_row;
591 output_row.search_field = FALSE;
598 $func$ LANGUAGE PLPGSQL;
600 CREATE OR REPLACE FUNCTION metabib.update_combined_index_vectors(bib_id BIGINT) RETURNS VOID AS $func$
602 DELETE FROM metabib.combined_keyword_field_entry WHERE record = bib_id;
603 INSERT INTO metabib.combined_keyword_field_entry(record, metabib_field, index_vector)
604 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
605 FROM metabib.keyword_field_entry WHERE source = bib_id GROUP BY field;
606 INSERT INTO metabib.combined_keyword_field_entry(record, metabib_field, index_vector)
607 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
608 FROM metabib.keyword_field_entry WHERE source = bib_id;
610 DELETE FROM metabib.combined_title_field_entry WHERE record = bib_id;
611 INSERT INTO metabib.combined_title_field_entry(record, metabib_field, index_vector)
612 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
613 FROM metabib.title_field_entry WHERE source = bib_id GROUP BY field;
614 INSERT INTO metabib.combined_title_field_entry(record, metabib_field, index_vector)
615 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
616 FROM metabib.title_field_entry WHERE source = bib_id;
618 DELETE FROM metabib.combined_author_field_entry WHERE record = bib_id;
619 INSERT INTO metabib.combined_author_field_entry(record, metabib_field, index_vector)
620 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
621 FROM metabib.author_field_entry WHERE source = bib_id GROUP BY field;
622 INSERT INTO metabib.combined_author_field_entry(record, metabib_field, index_vector)
623 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
624 FROM metabib.author_field_entry WHERE source = bib_id;
626 DELETE FROM metabib.combined_subject_field_entry WHERE record = bib_id;
627 INSERT INTO metabib.combined_subject_field_entry(record, metabib_field, index_vector)
628 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
629 FROM metabib.subject_field_entry WHERE source = bib_id GROUP BY field;
630 INSERT INTO metabib.combined_subject_field_entry(record, metabib_field, index_vector)
631 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
632 FROM metabib.subject_field_entry WHERE source = bib_id;
634 DELETE FROM metabib.combined_series_field_entry WHERE record = bib_id;
635 INSERT INTO metabib.combined_series_field_entry(record, metabib_field, index_vector)
636 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
637 FROM metabib.series_field_entry WHERE source = bib_id GROUP BY field;
638 INSERT INTO metabib.combined_series_field_entry(record, metabib_field, index_vector)
639 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
640 FROM metabib.series_field_entry WHERE source = bib_id;
642 DELETE FROM metabib.combined_identifier_field_entry WHERE record = bib_id;
643 INSERT INTO metabib.combined_identifier_field_entry(record, metabib_field, index_vector)
644 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
645 FROM metabib.identifier_field_entry WHERE source = bib_id GROUP BY field;
646 INSERT INTO metabib.combined_identifier_field_entry(record, metabib_field, index_vector)
647 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
648 FROM metabib.identifier_field_entry WHERE source = bib_id;
651 $func$ LANGUAGE PLPGSQL;
653 CREATE OR REPLACE FUNCTION metabib.reingest_metabib_field_entries( bib_id BIGINT, skip_facet BOOL DEFAULT FALSE, skip_browse BOOL DEFAULT FALSE, skip_search BOOL DEFAULT FALSE ) RETURNS VOID AS $func$
656 ind_data metabib.field_entry_template%ROWTYPE;
657 mbe_row metabib.browse_entry%ROWTYPE;
665 SELECT COALESCE(NULLIF(skip_facet, FALSE), EXISTS (SELECT enabled FROM config.internal_flag WHERE name = 'ingest.skip_facet_indexing' AND enabled)) INTO b_skip_facet;
666 SELECT COALESCE(NULLIF(skip_browse, FALSE), EXISTS (SELECT enabled FROM config.internal_flag WHERE name = 'ingest.skip_browse_indexing' AND enabled)) INTO b_skip_browse;
667 SELECT COALESCE(NULLIF(skip_search, FALSE), EXISTS (SELECT enabled FROM config.internal_flag WHERE name = 'ingest.skip_search_indexing' AND enabled)) INTO b_skip_search;
669 PERFORM * FROM config.internal_flag WHERE name = 'ingest.assume_inserts_only' AND enabled;
671 IF NOT b_skip_search THEN
672 FOR fclass IN SELECT * FROM config.metabib_class LOOP
673 -- RAISE NOTICE 'Emptying out %', fclass.name;
674 EXECUTE $$DELETE FROM metabib.$$ || fclass.name || $$_field_entry WHERE source = $$ || bib_id;
677 IF NOT b_skip_facet THEN
678 DELETE FROM metabib.facet_entry WHERE source = bib_id;
680 IF NOT b_skip_browse THEN
681 DELETE FROM metabib.browse_entry_def_map WHERE source = bib_id;
685 FOR ind_data IN SELECT * FROM biblio.extract_metabib_field_entry( bib_id ) LOOP
686 IF ind_data.field < 0 THEN
687 ind_data.field = -1 * ind_data.field;
690 IF ind_data.facet_field AND NOT b_skip_facet THEN
691 INSERT INTO metabib.facet_entry (field, source, value)
692 VALUES (ind_data.field, ind_data.source, ind_data.value);
695 IF ind_data.browse_field AND NOT b_skip_browse THEN
696 -- A caveat about this SELECT: this should take care of replacing
697 -- old mbe rows when data changes, but not if normalization (by
698 -- which I mean specifically the output of
699 -- evergreen.oils_tsearch2()) changes. It may or may not be
700 -- expensive to add a comparison of index_vector to index_vector
701 -- to the WHERE clause below.
703 value_prepped := metabib.browse_normalize(ind_data.value, ind_data.field);
704 SELECT INTO mbe_row * FROM metabib.browse_entry
705 WHERE value = value_prepped AND sort_value = ind_data.sort_value;
708 mbe_id := mbe_row.id;
710 INSERT INTO metabib.browse_entry
711 ( value, sort_value ) VALUES
712 ( value_prepped, ind_data.sort_value );
714 mbe_id := CURRVAL('metabib.browse_entry_id_seq'::REGCLASS);
717 INSERT INTO metabib.browse_entry_def_map (entry, def, source, authority)
718 VALUES (mbe_id, ind_data.field, ind_data.source, ind_data.authority);
721 IF ind_data.search_field AND NOT b_skip_search THEN
722 -- Avoid inserting duplicate rows
723 EXECUTE 'SELECT 1 FROM metabib.' || ind_data.field_class ||
724 '_field_entry WHERE field = $1 AND source = $2 AND value = $3'
725 INTO mbe_id USING ind_data.field, ind_data.source, ind_data.value;
726 -- RAISE NOTICE 'Search for an already matching row returned %', mbe_id;
727 IF mbe_id IS NULL THEN
729 INSERT INTO metabib.$$ || ind_data.field_class || $$_field_entry (field, source, value)
731 quote_literal(ind_data.field) || $$, $$ ||
732 quote_literal(ind_data.source) || $$, $$ ||
733 quote_literal(ind_data.value) ||
740 IF NOT b_skip_search THEN
741 PERFORM metabib.update_combined_index_vectors(bib_id);
746 $func$ LANGUAGE PLPGSQL;
748 -- default to a space joiner
749 CREATE OR REPLACE FUNCTION biblio.extract_metabib_field_entry ( BIGINT ) RETURNS SETOF metabib.field_entry_template AS $func$
750 SELECT * FROM biblio.extract_metabib_field_entry($1, ' ');
753 CREATE OR REPLACE FUNCTION authority.flatten_marc ( rid BIGINT ) RETURNS SETOF authority.full_rec AS $func$
755 auth authority.record_entry%ROWTYPE;
756 output authority.full_rec%ROWTYPE;
759 SELECT INTO auth * FROM authority.record_entry WHERE id = rid;
761 FOR field IN SELECT * FROM vandelay.flatten_marc( auth.marc ) LOOP
762 output.record := rid;
763 output.ind1 := field.ind1;
764 output.ind2 := field.ind2;
765 output.tag := field.tag;
766 output.subfield := field.subfield;
767 output.value := field.value;
772 $func$ LANGUAGE PLPGSQL;
774 CREATE OR REPLACE FUNCTION biblio.flatten_marc ( rid BIGINT ) RETURNS SETOF metabib.full_rec AS $func$
776 bib biblio.record_entry%ROWTYPE;
777 output metabib.full_rec%ROWTYPE;
780 SELECT INTO bib * FROM biblio.record_entry WHERE id = rid;
782 FOR field IN SELECT * FROM vandelay.flatten_marc( bib.marc ) LOOP
783 output.record := rid;
784 output.ind1 := field.ind1;
785 output.ind2 := field.ind2;
786 output.tag := field.tag;
787 output.subfield := field.subfield;
788 output.value := field.value;
793 $func$ LANGUAGE PLPGSQL;
795 CREATE OR REPLACE FUNCTION vandelay.marc21_record_type( marc TEXT ) RETURNS config.marc21_rec_type_map AS $func$
802 retval config.marc21_rec_type_map%ROWTYPE;
804 ldr := oils_xpath_string( '//*[local-name()="leader"]', marc );
806 IF ldr IS NULL OR ldr = '' THEN
807 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE code = 'BKS';
811 SELECT * INTO tval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'Type' LIMIT 1; -- They're all the same
812 SELECT * INTO bval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'BLvl' LIMIT 1; -- They're all the same
815 tval := SUBSTRING( ldr, tval_rec.start_pos + 1, tval_rec.length );
816 bval := SUBSTRING( ldr, bval_rec.start_pos + 1, bval_rec.length );
818 -- RAISE NOTICE 'type %, blvl %, ldr %', tval, bval, ldr;
820 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE type_val LIKE '%' || tval || '%' AND blvl_val LIKE '%' || bval || '%';
823 IF retval.code IS NULL THEN
824 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE code = 'BKS';
829 $func$ LANGUAGE PLPGSQL;
831 CREATE OR REPLACE FUNCTION biblio.marc21_record_type( rid BIGINT ) RETURNS config.marc21_rec_type_map AS $func$
832 SELECT * FROM vandelay.marc21_record_type( (SELECT marc FROM biblio.record_entry WHERE id = $1) );
835 CREATE OR REPLACE FUNCTION vandelay.marc21_extract_fixed_field( marc TEXT, ff TEXT ) RETURNS TEXT AS $func$
842 rtype := (vandelay.marc21_record_type( marc )).code;
843 FOR ff_pos IN SELECT * FROM config.marc21_ff_pos_map WHERE fixed_field = ff AND rec_type = rtype ORDER BY tag DESC LOOP
844 IF ff_pos.tag = 'ldr' THEN
845 val := oils_xpath_string('//*[local-name()="leader"]', marc);
846 IF val IS NOT NULL THEN
847 val := SUBSTRING( val, ff_pos.start_pos + 1, ff_pos.length );
851 FOR tag_data IN SELECT value FROM UNNEST( oils_xpath( '//*[@tag="' || UPPER(ff_pos.tag) || '"]/text()', marc ) ) x(value) LOOP
852 val := SUBSTRING( tag_data.value, ff_pos.start_pos + 1, ff_pos.length );
856 val := REPEAT( ff_pos.default_val, ff_pos.length );
862 $func$ LANGUAGE PLPGSQL;
864 CREATE OR REPLACE FUNCTION biblio.marc21_extract_fixed_field( rid BIGINT, ff TEXT ) RETURNS TEXT AS $func$
865 SELECT * FROM vandelay.marc21_extract_fixed_field( (SELECT marc FROM biblio.record_entry WHERE id = $1), $2 );
868 -- CREATE TYPE biblio.record_ff_map AS (record BIGINT, ff_name TEXT, ff_value TEXT);
869 CREATE OR REPLACE FUNCTION vandelay.marc21_extract_all_fixed_fields( marc TEXT ) RETURNS SETOF biblio.record_ff_map AS $func$
874 output biblio.record_ff_map%ROWTYPE;
876 rtype := (vandelay.marc21_record_type( marc )).code;
878 FOR ff_pos IN SELECT * FROM config.marc21_ff_pos_map WHERE rec_type = rtype ORDER BY tag DESC LOOP
879 output.ff_name := ff_pos.fixed_field;
880 output.ff_value := NULL;
882 IF ff_pos.tag = 'ldr' THEN
883 output.ff_value := oils_xpath_string('//*[local-name()="leader"]', marc);
884 IF output.ff_value IS NOT NULL THEN
885 output.ff_value := SUBSTRING( output.ff_value, ff_pos.start_pos + 1, ff_pos.length );
887 output.ff_value := NULL;
890 FOR tag_data IN SELECT value FROM UNNEST( oils_xpath( '//*[@tag="' || UPPER(ff_pos.tag) || '"]/text()', marc ) ) x(value) LOOP
891 output.ff_value := SUBSTRING( tag_data, ff_pos.start_pos + 1, ff_pos.length );
892 IF output.ff_value IS NULL THEN output.ff_value := REPEAT( ff_pos.default_val, ff_pos.length ); END IF;
894 output.ff_value := NULL;
902 $func$ LANGUAGE PLPGSQL;
904 CREATE OR REPLACE FUNCTION biblio.marc21_extract_all_fixed_fields( rid BIGINT ) RETURNS SETOF biblio.record_ff_map AS $func$
905 SELECT $1 AS record, ff_name, ff_value FROM vandelay.marc21_extract_all_fixed_fields( (SELECT marc FROM biblio.record_entry WHERE id = $1) );
908 CREATE OR REPLACE FUNCTION biblio.marc21_physical_characteristics( rid BIGINT ) RETURNS SETOF biblio.marc21_physical_characteristics AS $func$
909 SELECT id, $1 AS record, ptype, subfield, value FROM vandelay.marc21_physical_characteristics( (SELECT marc FROM biblio.record_entry WHERE id = $1) );
912 CREATE OR REPLACE FUNCTION biblio.extract_quality ( marc TEXT, best_lang TEXT, best_type TEXT ) RETURNS INT AS $func$
925 IF marc IS NULL OR marc = '' THEN
929 -- First, the count of tags
930 qual := ARRAY_UPPER(oils_xpath('*[local-name()="datafield"]', marc), 1);
932 -- now go through a bunch of pain to get the record type
933 IF best_type IS NOT NULL THEN
934 ldr := (oils_xpath('//*[local-name()="leader"]/text()', marc))[1];
936 IF ldr IS NOT NULL THEN
937 SELECT * INTO tval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'Type' LIMIT 1; -- They're all the same
938 SELECT * INTO bval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'BLvl' LIMIT 1; -- They're all the same
941 tval := SUBSTRING( ldr, tval_rec.start_pos + 1, tval_rec.length );
942 bval := SUBSTRING( ldr, bval_rec.start_pos + 1, bval_rec.length );
944 -- RAISE NOTICE 'type %, blvl %, ldr %', tval, bval, ldr;
946 SELECT * INTO type_map FROM config.marc21_rec_type_map WHERE type_val LIKE '%' || tval || '%' AND blvl_val LIKE '%' || bval || '%';
948 IF type_map.code IS NOT NULL THEN
949 IF best_type = type_map.code THEN
950 qual := qual + qual / 2;
953 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
954 ff_tag_data := SUBSTRING((oils_xpath('//*[@tag="' || ff_pos.tag || '"]/text()',marc))[1], ff_pos.start_pos + 1, ff_pos.length);
955 IF ff_tag_data = best_lang THEN
963 -- Now look for some quality metrics
965 IF ARRAY_UPPER(oils_xpath('//*[@tag="040"]/*[@code="a" and contains(.,"DLC")]', marc), 1) = 1 THEN
970 IF (oils_xpath('//*[@tag="003"]/text()', marc))[1] ~* E'oclo?c' THEN
977 $func$ LANGUAGE PLPGSQL;
979 CREATE OR REPLACE FUNCTION biblio.extract_fingerprint ( marc text ) RETURNS TEXT AS $func$
981 idx config.biblio_fingerprint%ROWTYPE;
982 xfrm config.xml_transform%ROWTYPE;
984 transformed_xml TEXT;
986 xml_node_list TEXT[];
988 output_text TEXT := '';
991 IF marc IS NULL OR marc = '' THEN
995 -- Loop over the indexing entries
996 FOR idx IN SELECT * FROM config.biblio_fingerprint ORDER BY format, id LOOP
998 SELECT INTO xfrm * from config.xml_transform WHERE name = idx.format;
1000 -- See if we can skip the XSLT ... it's expensive
1001 IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
1002 -- Can't skip the transform
1003 IF xfrm.xslt <> '---' THEN
1004 transformed_xml := oils_xslt_process(marc,xfrm.xslt);
1006 transformed_xml := marc;
1009 prev_xfrm := xfrm.name;
1012 raw_text := COALESCE(
1020 ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]
1029 raw_text := REGEXP_REPLACE(raw_text, E'\\[.+?\\]', E'');
1030 raw_text := REGEXP_REPLACE(raw_text, E'\\mthe\\M|\\man?d?d\\M', E'', 'g'); -- arg! the pain!
1032 IF idx.first_word IS TRUE THEN
1033 raw_text := REGEXP_REPLACE(raw_text, E'^(\\w+).*?$', E'\\1');
1036 output_text := output_text || REGEXP_REPLACE(raw_text, E'\\s+', '', 'g');
1043 $func$ LANGUAGE PLPGSQL;
1045 -- BEFORE UPDATE OR INSERT trigger for biblio.record_entry
1046 CREATE OR REPLACE FUNCTION biblio.fingerprint_trigger () RETURNS TRIGGER AS $func$
1049 -- For TG_ARGV, first param is language (like 'eng'), second is record type (like 'BKS')
1051 IF NEW.deleted IS TRUE THEN -- we don't much care, then, do we?
1055 NEW.fingerprint := biblio.extract_fingerprint(NEW.marc);
1056 NEW.quality := biblio.extract_quality(NEW.marc, TG_ARGV[0], TG_ARGV[1]);
1061 $func$ LANGUAGE PLPGSQL;
1063 CREATE OR REPLACE FUNCTION metabib.reingest_metabib_full_rec( bib_id BIGINT ) RETURNS VOID AS $func$
1065 PERFORM * FROM config.internal_flag WHERE name = 'ingest.assume_inserts_only' AND enabled;
1067 DELETE FROM metabib.real_full_rec WHERE record = bib_id;
1069 INSERT INTO metabib.real_full_rec (record, tag, ind1, ind2, subfield, value)
1070 SELECT record, tag, ind1, ind2, subfield, value FROM biblio.flatten_marc( bib_id );
1074 $func$ LANGUAGE PLPGSQL;
1076 CREATE OR REPLACE FUNCTION biblio.extract_located_uris( bib_id BIGINT, marcxml TEXT, editor_id INT ) RETURNS VOID AS $func$
1083 uri_owner_list TEXT[];
1091 -- Clear any URI mappings and call numbers for this bib.
1092 -- This leads to acn / auricnm inflation, but also enables
1093 -- old acn/auricnm's to go away and for bibs to be deleted.
1094 FOR uri_cn_id IN SELECT id FROM asset.call_number WHERE record = bib_id AND label = '##URI##' AND NOT deleted LOOP
1095 DELETE FROM asset.uri_call_number_map WHERE call_number = uri_cn_id;
1096 DELETE FROM asset.call_number WHERE id = uri_cn_id;
1099 uris := oils_xpath('//*[@tag="856" and (@ind1="4" or @ind1="1") and (@ind2="0" or @ind2="1")]',marcxml);
1100 IF ARRAY_UPPER(uris,1) > 0 THEN
1101 FOR i IN 1 .. ARRAY_UPPER(uris, 1) LOOP
1102 -- First we pull info out of the 856
1105 uri_href := (oils_xpath('//*[@code="u"]/text()',uri_xml))[1];
1106 uri_label := (oils_xpath('//*[@code="y"]/text()|//*[@code="3"]/text()',uri_xml))[1];
1107 uri_use := (oils_xpath('//*[@code="z"]/text()|//*[@code="2"]/text()|//*[@code="n"]/text()',uri_xml))[1];
1109 IF uri_label IS NULL THEN
1110 uri_label := uri_href;
1112 CONTINUE WHEN uri_href IS NULL;
1114 -- Get the distinct list of libraries wanting to use
1116 DISTINCT REGEXP_REPLACE(
1118 $re$^.*?\((\w+)\).*$$re$,
1121 ) INTO uri_owner_list
1124 '//*[@code="9"]/text()|//*[@code="w"]/text()|//*[@code="n"]/text()',
1129 IF ARRAY_UPPER(uri_owner_list,1) > 0 THEN
1131 -- look for a matching uri
1132 IF uri_use IS NULL THEN
1133 SELECT id INTO uri_id
1135 WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active
1136 ORDER BY id LIMIT 1;
1137 IF NOT FOUND THEN -- create one
1138 INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
1139 SELECT id INTO uri_id
1141 WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active;
1144 SELECT id INTO uri_id
1146 WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active
1147 ORDER BY id LIMIT 1;
1148 IF NOT FOUND THEN -- create one
1149 INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
1150 SELECT id INTO uri_id
1152 WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active;
1156 FOR j IN 1 .. ARRAY_UPPER(uri_owner_list, 1) LOOP
1157 uri_owner := uri_owner_list[j];
1159 SELECT id INTO uri_owner_id FROM actor.org_unit WHERE shortname = uri_owner;
1160 CONTINUE WHEN NOT FOUND;
1162 -- we need a call number to link through
1163 SELECT id INTO uri_cn_id FROM asset.call_number WHERE owning_lib = uri_owner_id AND record = bib_id AND label = '##URI##' AND NOT deleted;
1165 INSERT INTO asset.call_number (owning_lib, record, create_date, edit_date, creator, editor, label)
1166 VALUES (uri_owner_id, bib_id, 'now', 'now', editor_id, editor_id, '##URI##');
1167 SELECT id INTO uri_cn_id FROM asset.call_number WHERE owning_lib = uri_owner_id AND record = bib_id AND label = '##URI##' AND NOT deleted;
1170 -- now, link them if they're not already
1171 SELECT id INTO uri_map_id FROM asset.uri_call_number_map WHERE call_number = uri_cn_id AND uri = uri_id;
1173 INSERT INTO asset.uri_call_number_map (call_number, uri) VALUES (uri_cn_id, uri_id);
1185 $func$ LANGUAGE PLPGSQL;
1187 CREATE OR REPLACE FUNCTION metabib.remap_metarecord_for_bib( bib_id BIGINT, fp TEXT ) RETURNS BIGINT AS $func$
1191 tmp_mr metabib.metarecord%ROWTYPE;
1192 deleted_mrs BIGINT[];
1195 DELETE FROM metabib.metarecord_source_map WHERE source = bib_id; -- Rid ourselves of the search-estimate-killing linkage
1197 FOR tmp_mr IN SELECT m.* FROM metabib.metarecord m JOIN metabib.metarecord_source_map s ON (s.metarecord = m.id) WHERE s.source = bib_id LOOP
1199 IF old_mr IS NULL AND fp = tmp_mr.fingerprint THEN -- Find the first fingerprint-matching
1200 old_mr := tmp_mr.id;
1202 SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = tmp_mr.id;
1203 IF source_count = 0 THEN -- No other records
1204 deleted_mrs := ARRAY_APPEND(deleted_mrs, tmp_mr.id);
1205 DELETE FROM metabib.metarecord WHERE id = tmp_mr.id;
1211 IF old_mr IS NULL THEN -- we found no suitable, preexisting MR based on old source maps
1212 SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp; -- is there one for our current fingerprint?
1213 IF old_mr IS NULL THEN -- nope, create one and grab its id
1214 INSERT INTO metabib.metarecord ( fingerprint, master_record ) VALUES ( fp, bib_id );
1215 SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp;
1216 ELSE -- indeed there is. update it with a null cache and recalcualated master record
1217 UPDATE metabib.metarecord
1219 master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp ORDER BY quality DESC LIMIT 1)
1222 ELSE -- there was one we already attached to, update its mods cache and master_record
1223 UPDATE metabib.metarecord
1225 master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp ORDER BY quality DESC LIMIT 1)
1229 INSERT INTO metabib.metarecord_source_map (metarecord, source) VALUES (old_mr, bib_id); -- new source mapping
1231 IF ARRAY_UPPER(deleted_mrs,1) > 0 THEN
1232 UPDATE action.hold_request SET target = old_mr WHERE target IN ( SELECT unnest(deleted_mrs) ) AND hold_type = 'M'; -- if we had to delete any MRs above, make sure their holds are moved
1238 $func$ LANGUAGE PLPGSQL;
1240 CREATE OR REPLACE FUNCTION biblio.map_authority_linking (bibid BIGINT, marc TEXT) RETURNS BIGINT AS $func$
1241 DELETE FROM authority.bib_linking WHERE bib = $1;
1242 INSERT INTO authority.bib_linking (bib, authority)
1245 FROM ( SELECT DISTINCT $1 AS bib,
1246 BTRIM(remove_paren_substring(txt))::BIGINT AS authority
1247 FROM unnest(oils_xpath('//*[@code="0"]/text()',$2)) x(txt)
1248 WHERE BTRIM(remove_paren_substring(txt)) ~ $re$^\d+$$re$
1249 ) y JOIN authority.record_entry r ON r.id = y.authority;
1251 $func$ LANGUAGE SQL;
1253 -- AFTER UPDATE OR INSERT trigger for biblio.record_entry
1254 CREATE OR REPLACE FUNCTION biblio.indexing_ingest_or_delete () RETURNS TRIGGER AS $func$
1256 transformed_xml TEXT;
1259 xfrm config.xml_transform%ROWTYPE;
1261 new_attrs HSTORE := ''::HSTORE;
1262 attr_def config.record_attr_definition%ROWTYPE;
1265 IF NEW.deleted IS TRUE THEN -- If this bib is deleted
1266 PERFORM * FROM config.internal_flag WHERE
1267 name = 'ingest.metarecord_mapping.preserve_on_delete' AND enabled;
1269 -- One needs to keep these around to support searches
1270 -- with the #deleted modifier, so one should turn on the named
1271 -- internal flag for that functionality.
1272 DELETE FROM metabib.metarecord_source_map WHERE source = NEW.id;
1273 DELETE FROM metabib.record_attr WHERE id = NEW.id;
1276 DELETE FROM authority.bib_linking WHERE bib = NEW.id; -- Avoid updating fields in bibs that are no longer visible
1277 DELETE FROM biblio.peer_bib_copy_map WHERE peer_record = NEW.id; -- Separate any multi-homed items
1278 DELETE FROM metabib.browse_entry_def_map WHERE source = NEW.id; -- Don't auto-suggest deleted bibs
1279 RETURN NEW; -- and we're done
1282 IF TG_OP = 'UPDATE' THEN -- re-ingest?
1283 PERFORM * FROM config.internal_flag WHERE name = 'ingest.reingest.force_on_same_marc' AND enabled;
1285 IF NOT FOUND AND OLD.marc = NEW.marc THEN -- don't do anything if the MARC didn't change
1290 -- Record authority linking
1291 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_authority_linking' AND enabled;
1293 PERFORM biblio.map_authority_linking( NEW.id, NEW.marc );
1296 -- Flatten and insert the mfr data
1297 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_full_rec' AND enabled;
1299 PERFORM metabib.reingest_metabib_full_rec(NEW.id);
1301 -- Now we pull out attribute data, which is dependent on the mfr for all but XPath-based fields
1302 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_rec_descriptor' AND enabled;
1304 FOR attr_def IN SELECT * FROM config.record_attr_definition ORDER BY format LOOP
1306 IF attr_def.tag IS NOT NULL THEN -- tag (and optional subfield list) selection
1307 SELECT STRING_AGG(value, COALESCE(attr_def.joiner,' ')) INTO attr_value
1308 FROM (SELECT * FROM metabib.full_rec ORDER BY tag, subfield) AS x
1309 WHERE record = NEW.id
1310 AND tag LIKE attr_def.tag
1312 WHEN attr_def.sf_list IS NOT NULL
1313 THEN POSITION(subfield IN attr_def.sf_list) > 0
1320 ELSIF attr_def.fixed_field IS NOT NULL THEN -- a named fixed field, see config.marc21_ff_pos_map.fixed_field
1321 attr_value := biblio.marc21_extract_fixed_field(NEW.id, attr_def.fixed_field);
1323 ELSIF attr_def.xpath IS NOT NULL THEN -- and xpath expression
1325 SELECT INTO xfrm * FROM config.xml_transform WHERE name = attr_def.format;
1327 -- See if we can skip the XSLT ... it's expensive
1328 IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
1329 -- Can't skip the transform
1330 IF xfrm.xslt <> '---' THEN
1331 transformed_xml := oils_xslt_process(NEW.marc,xfrm.xslt);
1333 transformed_xml := NEW.marc;
1336 prev_xfrm := xfrm.name;
1339 IF xfrm.name IS NULL THEN
1340 -- just grab the marcxml (empty) transform
1341 SELECT INTO xfrm * FROM config.xml_transform WHERE xslt = '---' LIMIT 1;
1342 prev_xfrm := xfrm.name;
1345 attr_value := oils_xpath_string(attr_def.xpath, transformed_xml, COALESCE(attr_def.joiner,' '), ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]);
1347 ELSIF attr_def.phys_char_sf IS NOT NULL THEN -- a named Physical Characteristic, see config.marc21_physical_characteristic_*_map
1348 SELECT m.value INTO attr_value
1349 FROM biblio.marc21_physical_characteristics(NEW.id) v
1350 JOIN config.marc21_physical_characteristic_value_map m ON (m.id = v.value)
1351 WHERE v.subfield = attr_def.phys_char_sf
1352 LIMIT 1; -- Just in case ...
1356 -- apply index normalizers to attr_value
1358 SELECT n.func AS func,
1359 n.param_count AS param_count,
1361 FROM config.index_normalizer n
1362 JOIN config.record_attr_index_norm_map m ON (m.norm = n.id)
1363 WHERE attr = attr_def.name
1365 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1366 COALESCE( quote_literal( attr_value ), 'NULL' ) ||
1368 WHEN normalizer.param_count > 0
1369 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1372 ')' INTO attr_value;
1376 -- Add the new value to the hstore
1377 new_attrs := new_attrs || hstore( attr_def.name, attr_value );
1381 IF TG_OP = 'INSERT' OR OLD.deleted THEN -- initial insert OR revivication
1382 DELETE FROM metabib.record_attr WHERE id = NEW.id;
1383 INSERT INTO metabib.record_attr (id, attrs) VALUES (NEW.id, new_attrs);
1385 UPDATE metabib.record_attr SET attrs = new_attrs WHERE id = NEW.id;
1391 -- Gather and insert the field entry data
1392 PERFORM metabib.reingest_metabib_field_entries(NEW.id);
1394 -- Located URI magic
1395 IF TG_OP = 'INSERT' THEN
1396 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled;
1398 PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor );
1401 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled;
1403 PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor );
1407 -- (re)map metarecord-bib linking
1408 IF TG_OP = 'INSERT' THEN -- if not deleted and performing an insert, check for the flag
1409 PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_insert' AND enabled;
1411 PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint );
1413 ELSE -- we're doing an update, and we're not deleted, remap
1414 PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_update' AND enabled;
1416 PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint );
1422 $func$ LANGUAGE PLPGSQL;
1424 CREATE OR REPLACE FUNCTION metabib.browse_normalize(facet_text TEXT, mapped_field INT) RETURNS TEXT AS $$
1430 SELECT n.func AS func,
1431 n.param_count AS param_count,
1433 FROM config.index_normalizer n
1434 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
1435 WHERE m.field = mapped_field AND m.pos < 0
1438 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1439 quote_literal( facet_text ) ||
1441 WHEN normalizer.param_count > 0
1442 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1445 ')' INTO facet_text;
1452 $$ LANGUAGE PLPGSQL;
1455 -- This mimics a specific part of QueryParser, turning the first part of a
1456 -- classed search (search_class) into a set of classes and possibly fields.
1457 -- search_class might look like "author" or "title|proper" or "ti|uniform"
1458 -- or "au" or "au|corporate|personal" or anything like that, where the first
1459 -- element of the list you get by separating on the "|" character is either
1460 -- a registered class (config.metabib_class) or an alias
1461 -- (config.metabib_search_alias), and the rest of any such elements are
1462 -- fields (config.metabib_field).
1464 FUNCTION metabib.search_class_to_registered_components(search_class TEXT)
1465 RETURNS SETOF RECORD AS $func$
1467 search_parts TEXT[];
1469 search_part_count INTEGER;
1471 registered_class config.metabib_class%ROWTYPE;
1472 registered_alias config.metabib_search_alias%ROWTYPE;
1473 registered_field config.metabib_field%ROWTYPE;
1475 search_parts := REGEXP_SPLIT_TO_ARRAY(search_class, E'\\|');
1477 search_part_count := ARRAY_LENGTH(search_parts, 1);
1478 IF search_part_count = 0 THEN
1481 SELECT INTO registered_class
1482 * FROM config.metabib_class WHERE name = search_parts[1];
1484 IF search_part_count < 2 THEN -- all fields
1485 rec := (registered_class.name, NULL::INTEGER);
1489 FOR field_name IN SELECT *
1490 FROM UNNEST(search_parts[2:search_part_count]) LOOP
1491 SELECT INTO registered_field
1492 * FROM config.metabib_field
1493 WHERE name = field_name AND
1494 field_class = registered_class.name;
1496 rec := (registered_class.name, registered_field.id);
1501 -- maybe we have an alias?
1502 SELECT INTO registered_alias
1503 * FROM config.metabib_search_alias WHERE alias=search_parts[1];
1507 IF search_part_count < 2 THEN -- return w/e the alias says
1509 registered_alias.field_class, registered_alias.field
1514 FOR field_name IN SELECT *
1515 FROM UNNEST(search_parts[2:search_part_count]) LOOP
1516 SELECT INTO registered_field
1517 * FROM config.metabib_field
1518 WHERE name = field_name AND
1519 field_class = registered_alias.field_class;
1522 registered_alias.field_class,
1533 $func$ LANGUAGE PLPGSQL ROWS 1;
1536 -- Given a string such as a user might type into a search box, prepare
1537 -- two changed variants for TO_TSQUERY(). See
1538 -- http://www.postgresql.org/docs/9.0/static/textsearch-controls.html
1539 -- The first variant is normalized to match indexed documents regardless
1540 -- of diacritics. The second variant keeps its diacritics for proper
1541 -- highlighting via TS_HEADLINE().
1543 FUNCTION metabib.autosuggest_prepare_tsquery(orig TEXT) RETURNS TEXT[] AS
1546 orig_ended_in_space BOOLEAN;
1551 orig_ended_in_space := orig ~ E'\\s$';
1553 orig := ARRAY_TO_STRING(
1554 evergreen.regexp_split_to_array(orig, E'\\W+'), ' '
1557 normalized := public.naco_normalize(orig); -- also trim()s
1558 plain := trim(orig);
1560 IF NOT orig_ended_in_space THEN
1561 plain := plain || ':*';
1562 normalized := normalized || ':*';
1565 plain := ARRAY_TO_STRING(
1566 evergreen.regexp_split_to_array(plain, E'\\s+'), ' & '
1568 normalized := ARRAY_TO_STRING(
1569 evergreen.regexp_split_to_array(normalized, E'\\s+'), ' & '
1572 RETURN ARRAY[normalized, plain];
1574 $$ LANGUAGE PLPGSQL;
1578 FUNCTION metabib.suggest_browse_entries(
1579 raw_query_text TEXT, -- actually typed by humans at the UI level
1580 search_class TEXT, -- 'alias' or 'class' or 'class|field..', etc
1581 headline_opts TEXT, -- markup options for ts_headline()
1582 visibility_org INTEGER,-- null if you don't want opac visibility test
1583 query_limit INTEGER,-- use in LIMIT clause of interal query
1584 normalization INTEGER -- argument to TS_RANK_CD()
1586 value TEXT, -- plain
1588 buoyant_and_class_match BOOL,
1590 field_weight INTEGER,
1593 match TEXT -- marked up
1596 prepared_query_texts TEXT[];
1598 plain_query TSQUERY;
1599 opac_visibility_join TEXT;
1600 search_class_join TEXT;
1603 prepared_query_texts := metabib.autosuggest_prepare_tsquery(raw_query_text);
1605 query := TO_TSQUERY('keyword', prepared_query_texts[1]);
1606 plain_query := TO_TSQUERY('keyword', prepared_query_texts[2]);
1608 visibility_org := NULLIF(visibility_org,-1);
1609 IF visibility_org IS NOT NULL THEN
1610 opac_visibility_join := '
1611 JOIN asset.opac_visible_copies aovc ON (
1612 aovc.record = x.source AND
1613 aovc.circ_lib IN (SELECT id FROM actor.org_unit_descendants($4))
1616 opac_visibility_join := '';
1619 -- The following determines whether we only provide suggestsons matching
1620 -- the user's selected search_class, or whether we show other suggestions
1621 -- too. The reason for MIN() is that for search_classes like
1622 -- 'title|proper|uniform' you would otherwise get multiple rows. The
1623 -- implication is that if title as a class doesn't have restrict,
1624 -- nor does the proper field, but the uniform field does, you're going
1625 -- to get 'false' for your overall evaluation of 'should we restrict?'
1626 -- To invert that, change from MIN() to MAX().
1630 MIN(cmc.restrict::INT) AS restrict_class,
1631 MIN(cmf.restrict::INT) AS restrict_field
1632 FROM metabib.search_class_to_registered_components(search_class)
1633 AS _registered (field_class TEXT, field INT)
1635 config.metabib_class cmc ON (cmc.name = _registered.field_class)
1637 config.metabib_field cmf ON (cmf.id = _registered.field);
1639 -- evaluate 'should we restrict?'
1640 IF r_fields.restrict_field::BOOL OR r_fields.restrict_class::BOOL THEN
1641 search_class_join := '
1643 metabib.search_class_to_registered_components($2)
1644 AS _registered (field_class TEXT, field INT) ON (
1645 (_registered.field IS NULL AND
1646 _registered.field_class = cmf.field_class) OR
1647 (_registered.field = cmf.id)
1651 search_class_join := '
1653 metabib.search_class_to_registered_components($2)
1654 AS _registered (field_class TEXT, field INT) ON (
1655 _registered.field_class = cmc.name
1660 RETURN QUERY EXECUTE '
1669 TS_HEADLINE(value, $7, $3)
1670 FROM (SELECT DISTINCT
1673 cmc.buoyant AND _registered.field_class IS NOT NULL AS push,
1674 _registered.field = cmf.id AS restrict,
1676 TS_RANK_CD(mbe.index_vector, $1, $6),
1679 FROM metabib.browse_entry_def_map mbedm
1680 JOIN (SELECT * FROM metabib.browse_entry WHERE index_vector @@ $1 LIMIT 10000) mbe ON (mbe.id = mbedm.entry)
1681 JOIN config.metabib_field cmf ON (cmf.id = mbedm.def)
1682 JOIN config.metabib_class cmc ON (cmf.field_class = cmc.name)
1683 ' || search_class_join || '
1684 ORDER BY 3 DESC, 4 DESC NULLS LAST, 5 DESC, 6 DESC, 7 DESC, 1 ASC
1686 ' || opac_visibility_join || '
1687 ORDER BY 3 DESC, 4 DESC NULLS LAST, 5 DESC, 6 DESC, 7 DESC, 1 ASC
1689 ' -- sic, repeat the order by clause in the outer select too
1691 query, search_class, headline_opts,
1692 visibility_org, query_limit, normalization, plain_query
1696 -- buoyant AND chosen class = match class
1697 -- chosen field = match field
1704 $func$ LANGUAGE PLPGSQL;
1706 CREATE OR REPLACE FUNCTION public.oils_tsearch2 () RETURNS TRIGGER AS $$
1710 temp_vector TEXT := '';
1716 NEW.index_vector = ''::tsvector;
1718 IF TG_TABLE_NAME::TEXT ~ 'field_entry$' THEN
1720 SELECT n.func AS func,
1721 n.param_count AS param_count,
1723 FROM config.index_normalizer n
1724 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
1725 WHERE field = NEW.field AND m.pos < 0
1727 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1728 quote_literal( value ) ||
1730 WHEN normalizer.param_count > 0
1731 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1741 SELECT n.func AS func,
1742 n.param_count AS param_count,
1744 FROM config.index_normalizer n
1745 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
1746 WHERE field = NEW.field AND m.pos >= 0
1748 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1749 quote_literal( value ) ||
1751 WHEN normalizer.param_count > 0
1752 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1760 IF TG_TABLE_NAME::TEXT ~ 'browse_entry$' THEN
1761 value := ARRAY_TO_STRING(
1762 evergreen.regexp_split_to_array(value, E'\\W+'), ' '
1764 value := public.search_normalize(value);
1765 NEW.index_vector = to_tsvector(TG_ARGV[0]::regconfig, value);
1766 ELSIF TG_TABLE_NAME::TEXT ~ 'field_entry$' THEN
1768 SELECT ts_config, index_weight
1769 FROM config.metabib_class_ts_map
1770 WHERE field_class = TG_ARGV[0]
1771 AND index_lang IS NULL OR EXISTS (SELECT 1 FROM metabib.record_attr WHERE id = NEW.source AND index_lang IN(attrs->'item_lang',attrs->'language'))
1772 AND always OR NOT EXISTS (SELECT 1 FROM config.metabib_field_ts_map WHERE metabib_field = NEW.field)
1774 SELECT ts_config, index_weight
1775 FROM config.metabib_field_ts_map
1776 WHERE metabib_field = NEW.field
1777 AND index_lang IS NULL OR EXISTS (SELECT 1 FROM metabib.record_attr WHERE id = NEW.source AND index_lang IN(attrs->'item_lang',attrs->'language'))
1778 ORDER BY index_weight ASC
1780 IF cur_weight IS NOT NULL AND cur_weight != ts_rec.index_weight THEN
1781 NEW.index_vector = NEW.index_vector || setweight(temp_vector::tsvector,cur_weight);
1784 cur_weight = ts_rec.index_weight;
1785 SELECT INTO temp_vector temp_vector || ' ' || to_tsvector(ts_rec.ts_config::regconfig, value)::TEXT;
1787 NEW.index_vector = NEW.index_vector || setweight(temp_vector::tsvector,cur_weight);
1789 NEW.index_vector = to_tsvector(TG_ARGV[0]::regconfig, value);
1794 $$ LANGUAGE PLPGSQL;
1797 CREATE TYPE metabib.flat_browse_entry_appearance AS (
1798 browse_entry BIGINT,
1803 sources INT, -- visible ones, that is
1804 asources INT, -- visible ones, that is
1805 row_number INT, -- internal use, sort of
1806 accurate BOOL, -- Count in sources field is accurate? Not
1807 -- if we had more than a browse superpage
1808 -- of records to look at.
1809 aaccurate BOOL, -- See previous comment...
1814 CREATE OR REPLACE FUNCTION metabib.browse_bib_pivot(
1817 ) RETURNS BIGINT AS $p$
1819 FROM metabib.browse_entry mbe
1820 JOIN metabib.browse_entry_def_map mbedm ON (
1821 mbedm.entry = mbe.id
1822 AND mbedm.def = ANY($1)
1824 WHERE mbe.sort_value >= public.naco_normalize($2)
1825 ORDER BY mbe.sort_value, mbe.value LIMIT 1;
1826 $p$ LANGUAGE SQL STABLE;
1828 CREATE OR REPLACE FUNCTION metabib.browse_authority_pivot(
1831 ) RETURNS BIGINT AS $p$
1833 FROM metabib.browse_entry mbe
1834 JOIN metabib.browse_entry_simple_heading_map mbeshm ON ( mbeshm.entry = mbe.id )
1835 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
1836 JOIN authority.control_set_auth_field_metabib_field_map_refs map ON (
1837 ash.atag = map.authority_field
1838 AND map.metabib_field = ANY($1)
1840 WHERE mbe.sort_value >= public.naco_normalize($2)
1841 ORDER BY mbe.sort_value, mbe.value LIMIT 1;
1842 $p$ LANGUAGE SQL STABLE;
1844 CREATE OR REPLACE FUNCTION metabib.browse_authority_refs_pivot(
1847 ) RETURNS BIGINT AS $p$
1849 FROM metabib.browse_entry mbe
1850 JOIN metabib.browse_entry_simple_heading_map mbeshm ON ( mbeshm.entry = mbe.id )
1851 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
1852 JOIN authority.control_set_auth_field_metabib_field_map_refs_only map ON (
1853 ash.atag = map.authority_field
1854 AND map.metabib_field = ANY($1)
1856 WHERE mbe.sort_value >= public.naco_normalize($2)
1857 ORDER BY mbe.sort_value, mbe.value LIMIT 1;
1858 $p$ LANGUAGE SQL STABLE;
1860 CREATE OR REPLACE FUNCTION metabib.browse_pivot(
1863 ) RETURNS BIGINT AS $p$
1864 SELECT id FROM metabib.browse_entry
1866 metabib.browse_bib_pivot($1, $2),
1867 metabib.browse_authority_refs_pivot($1,$2) -- only look in 4xx, 5xx, 7xx of authority
1869 ORDER BY sort_value, value LIMIT 1;
1870 $p$ LANGUAGE SQL STABLE;
1873 CREATE OR REPLACE FUNCTION metabib.staged_browse(
1877 context_locations INT[],
1879 browse_superpage_size INT,
1880 count_up_from_zero BOOL, -- if false, count down from -1
1883 ) RETURNS SETOF metabib.flat_browse_entry_appearance AS $p$
1891 result_row metabib.flat_browse_entry_appearance%ROWTYPE;
1892 results_skipped INT := 0;
1893 row_counter INT := 0;
1898 all_records BIGINT[];
1899 all_brecords BIGINT[];
1900 all_arecords BIGINT[];
1901 superpage_of_records BIGINT[];
1904 IF count_up_from_zero THEN
1910 OPEN curs FOR EXECUTE query;
1913 FETCH curs INTO rec;
1915 IF result_row.pivot_point IS NOT NULL THEN
1916 RETURN NEXT result_row;
1922 -- Gather aggregate data based on the MBE row we're looking at now, authority axis
1923 SELECT INTO all_arecords, result_row.sees, afields
1924 ARRAY_AGG(DISTINCT abl.bib), -- bibs to check for visibility
1925 STRING_AGG(DISTINCT aal.source, $$,$$), -- authority record ids
1926 ARRAY_AGG(DISTINCT map.metabib_field) -- authority-tag-linked CMF rows
1928 FROM metabib.browse_entry_simple_heading_map mbeshm
1929 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
1930 JOIN authority.authority_linking aal ON ( ash.record = aal.source )
1931 JOIN authority.bib_linking abl ON ( aal.target = abl.authority )
1932 JOIN authority.control_set_auth_field_metabib_field_map_refs map ON (
1933 ash.atag = map.authority_field
1934 AND map.metabib_field = ANY(fields)
1936 WHERE mbeshm.entry = rec.id;
1939 -- Gather aggregate data based on the MBE row we're looking at now, bib axis
1940 SELECT INTO all_brecords, result_row.authorities, bfields
1941 ARRAY_AGG(DISTINCT source),
1942 STRING_AGG(DISTINCT authority, $$,$$),
1943 ARRAY_AGG(DISTINCT def)
1944 FROM metabib.browse_entry_def_map
1945 WHERE entry = rec.id
1946 AND def = ANY(fields);
1948 SELECT INTO result_row.fields STRING_AGG(DISTINCT x, $$,$$) FROM UNNEST(afields || bfields) x;
1950 result_row.sources := 0;
1951 result_row.asources := 0;
1953 -- Bib-linked vis checking
1954 IF ARRAY_UPPER(all_brecords,1) IS NOT NULL THEN
1956 full_end := ARRAY_LENGTH(all_brecords, 1);
1957 superpage_size := COALESCE(browse_superpage_size, full_end);
1959 slice_end := superpage_size;
1961 WHILE result_row.sources = 0 AND slice_start <= full_end LOOP
1962 superpage_of_records := all_brecords[slice_start:slice_end];
1964 'SELECT NULL::BIGINT AS id, ARRAY[r] AS records, ' ||
1965 '1::INT AS rel FROM (SELECT UNNEST(' ||
1966 quote_literal(superpage_of_records) || '::BIGINT[]) AS r) rr';
1968 -- We use search.query_parser_fts() for visibility testing.
1969 -- We're calling it once per browse-superpage worth of records
1970 -- out of the set of records related to a given mbe, until we've
1971 -- either exhausted that set of records or found at least 1
1974 SELECT INTO result_row.sources visible
1975 FROM search.query_parser_fts(
1976 context_org, NULL, qpfts_query, NULL,
1977 context_locations, 0, NULL, NULL, FALSE, staff, FALSE
1979 WHERE qpfts.rel IS NULL;
1981 slice_start := slice_start + superpage_size;
1982 slice_end := slice_end + superpage_size;
1985 -- Accurate? Well, probably.
1986 result_row.accurate := browse_superpage_size IS NULL OR
1987 browse_superpage_size >= full_end;
1991 -- Authority-linked vis checking
1992 IF ARRAY_UPPER(all_arecords,1) IS NOT NULL THEN
1994 full_end := ARRAY_LENGTH(all_arecords, 1);
1995 superpage_size := COALESCE(browse_superpage_size, full_end);
1997 slice_end := superpage_size;
1999 WHILE result_row.asources = 0 AND slice_start <= full_end LOOP
2000 superpage_of_records := all_arecords[slice_start:slice_end];
2002 'SELECT NULL::BIGINT AS id, ARRAY[r] AS records, ' ||
2003 '1::INT AS rel FROM (SELECT UNNEST(' ||
2004 quote_literal(superpage_of_records) || '::BIGINT[]) AS r) rr';
2006 -- We use search.query_parser_fts() for visibility testing.
2007 -- We're calling it once per browse-superpage worth of records
2008 -- out of the set of records related to a given mbe, via
2009 -- authority until we've either exhausted that set of records
2010 -- or found at least 1 visible record.
2012 SELECT INTO result_row.asources visible
2013 FROM search.query_parser_fts(
2014 context_org, NULL, qpfts_query, NULL,
2015 context_locations, 0, NULL, NULL, FALSE, staff, FALSE
2017 WHERE qpfts.rel IS NULL;
2019 slice_start := slice_start + superpage_size;
2020 slice_end := slice_end + superpage_size;
2024 -- Accurate? Well, probably.
2025 result_row.aaccurate := browse_superpage_size IS NULL OR
2026 browse_superpage_size >= full_end;
2030 IF result_row.sources > 0 OR result_row.asources > 0 THEN
2032 -- The function that calls this function needs row_number in order
2033 -- to correctly order results from two different runs of this
2035 result_row.row_number := row_number;
2037 -- Now, if row_counter is still less than limit, return a row. If
2038 -- not, but it is less than next_pivot_pos, continue on without
2039 -- returning actual result rows until we find
2040 -- that next pivot, and return it.
2042 IF row_counter < result_limit THEN
2043 result_row.browse_entry := rec.id;
2044 result_row.value := rec.value;
2046 RETURN NEXT result_row;
2048 result_row.browse_entry := NULL;
2049 result_row.authorities := NULL;
2050 result_row.fields := NULL;
2051 result_row.value := NULL;
2052 result_row.sources := NULL;
2053 result_row.sees := NULL;
2054 result_row.accurate := NULL;
2055 result_row.aaccurate := NULL;
2056 result_row.pivot_point := rec.id;
2058 IF row_counter >= next_pivot_pos THEN
2059 RETURN NEXT result_row;
2064 IF count_up_from_zero THEN
2065 row_number := row_number + 1;
2067 row_number := row_number - 1;
2070 -- row_counter is different from row_number.
2071 -- It simply counts up from zero so that we know when
2072 -- we've reached our limit.
2073 row_counter := row_counter + 1;
2077 $p$ LANGUAGE PLPGSQL;
2080 CREATE OR REPLACE FUNCTION metabib.browse(
2083 context_org INT DEFAULT NULL,
2084 context_loc_group INT DEFAULT NULL,
2085 staff BOOL DEFAULT FALSE,
2086 pivot_id BIGINT DEFAULT NULL,
2087 result_limit INT DEFAULT 10
2088 ) RETURNS SETOF metabib.flat_browse_entry_appearance AS $p$
2093 pivot_sort_value TEXT;
2094 pivot_sort_fallback TEXT;
2095 context_locations INT[];
2096 browse_superpage_size INT;
2097 results_skipped INT := 0;
2101 forward_to_pivot INT;
2103 -- First, find the pivot if we were given a browse term but not a pivot.
2104 IF pivot_id IS NULL THEN
2105 pivot_id := metabib.browse_pivot(search_field, browse_term);
2108 SELECT INTO pivot_sort_value, pivot_sort_fallback
2109 sort_value, value FROM metabib.browse_entry WHERE id = pivot_id;
2111 -- Bail if we couldn't find a pivot.
2112 IF pivot_sort_value IS NULL THEN
2116 -- Transform the context_loc_group argument (if any) (logc at the
2117 -- TPAC layer) into a form we'll be able to use.
2118 IF context_loc_group IS NOT NULL THEN
2119 SELECT INTO context_locations ARRAY_AGG(location)
2120 FROM asset.copy_location_group_map
2121 WHERE lgroup = context_loc_group;
2124 -- Get the configured size of browse superpages.
2125 SELECT INTO browse_superpage_size value -- NULL ok
2126 FROM config.global_flag
2127 WHERE enabled AND name = 'opac.browse.holdings_visibility_test_limit';
2129 -- First we're going to search backward from the pivot, then we're going
2130 -- to search forward. In each direction, we need two limits. At the
2131 -- lesser of the two limits, we delineate the edge of the result set
2132 -- we're going to return. At the greater of the two limits, we find the
2133 -- pivot value that would represent an offset from the current pivot
2134 -- at a distance of one "page" in either direction, where a "page" is a
2135 -- result set of the size specified in the "result_limit" argument.
2137 -- The two limits in each direction make four derived values in total,
2138 -- and we calculate them now.
2139 back_limit := CEIL(result_limit::FLOAT / 2);
2140 back_to_pivot := result_limit;
2141 forward_limit := result_limit / 2;
2142 forward_to_pivot := result_limit - 1;
2144 -- This is the meat of the SQL query that finds browse entries. We'll
2145 -- pass this to a function which uses it with a cursor, so that individual
2146 -- rows may be fetched in a loop until some condition is satisfied, without
2147 -- waiting for a result set of fixed size to be collected all at once.
2152 FROM metabib.browse_entry mbe
2154 EXISTS ( -- are there any bibs using this mbe via the requested fields?
2156 FROM metabib.browse_entry_def_map mbedm
2157 WHERE mbedm.entry = mbe.id AND mbedm.def = ANY(' || quote_literal(search_field) || ')
2159 ) OR EXISTS ( -- are there any authorities using this mbe via the requested fields?
2161 FROM metabib.browse_entry_simple_heading_map mbeshm
2162 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
2163 JOIN authority.control_set_auth_field_metabib_field_map_refs map ON (
2164 ash.atag = map.authority_field
2165 AND map.metabib_field = ANY(' || quote_literal(search_field) || ')
2167 WHERE mbeshm.entry = mbe.id
2171 -- This is the variant of the query for browsing backward.
2172 back_query := core_query ||
2173 ' mbe.sort_value <= ' || quote_literal(pivot_sort_value) ||
2174 ' ORDER BY mbe.sort_value DESC, mbe.value DESC ';
2176 -- This variant browses forward.
2177 forward_query := core_query ||
2178 ' mbe.sort_value > ' || quote_literal(pivot_sort_value) ||
2179 ' ORDER BY mbe.sort_value, mbe.value ';
2181 -- We now call the function which applies a cursor to the provided
2182 -- queries, stopping at the appropriate limits and also giving us
2183 -- the next page's pivot.
2185 SELECT * FROM metabib.staged_browse(
2186 back_query, search_field, context_org, context_locations,
2187 staff, browse_superpage_size, TRUE, back_limit, back_to_pivot
2189 SELECT * FROM metabib.staged_browse(
2190 forward_query, search_field, context_org, context_locations,
2191 staff, browse_superpage_size, FALSE, forward_limit, forward_to_pivot
2192 ) ORDER BY row_number DESC;
2195 $p$ LANGUAGE PLPGSQL;
2197 CREATE OR REPLACE FUNCTION metabib.browse(
2200 context_org INT DEFAULT NULL,
2201 context_loc_group INT DEFAULT NULL,
2202 staff BOOL DEFAULT FALSE,
2203 pivot_id BIGINT DEFAULT NULL,
2204 result_limit INT DEFAULT 10
2205 ) RETURNS SETOF metabib.flat_browse_entry_appearance AS $p$
2207 RETURN QUERY SELECT * FROM metabib.browse(
2208 (SELECT COALESCE(ARRAY_AGG(id), ARRAY[]::INT[])
2209 FROM config.metabib_field WHERE field_class = search_class),
2218 $p$ LANGUAGE PLPGSQL;