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) 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 RETURN NEXT output_row;
547 output_row.browse_field = FALSE;
548 output_row.sort_value := NULL;
551 -- insert raw node text for faceting
552 IF idx.facet_field THEN
554 IF idx.facet_xpath IS NOT NULL AND idx.facet_xpath <> '' THEN
555 facet_text := oils_xpath_string( idx.facet_xpath, xml_node, joiner, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
557 facet_text := curr_text;
560 output_row.field_class = idx.field_class;
561 output_row.field = -1 * idx.id;
562 output_row.source = rid;
563 output_row.value = BTRIM(REGEXP_REPLACE(facet_text, E'\\s+', ' ', 'g'));
565 output_row.facet_field = TRUE;
566 RETURN NEXT output_row;
567 output_row.facet_field = FALSE;
572 CONTINUE WHEN raw_text IS NULL OR raw_text = '';
574 -- insert combined node text for searching
575 IF idx.search_field THEN
576 output_row.field_class = idx.field_class;
577 output_row.field = idx.id;
578 output_row.source = rid;
579 output_row.value = BTRIM(REGEXP_REPLACE(raw_text, E'\\s+', ' ', 'g'));
581 output_row.search_field = TRUE;
582 RETURN NEXT output_row;
583 output_row.search_field = FALSE;
590 $func$ LANGUAGE PLPGSQL;
592 CREATE OR REPLACE FUNCTION metabib.update_combined_index_vectors(bib_id BIGINT) RETURNS VOID AS $func$
594 DELETE FROM metabib.combined_keyword_field_entry WHERE record = bib_id;
595 INSERT INTO metabib.combined_keyword_field_entry(record, metabib_field, index_vector)
596 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
597 FROM metabib.keyword_field_entry WHERE source = bib_id GROUP BY field;
598 INSERT INTO metabib.combined_keyword_field_entry(record, metabib_field, index_vector)
599 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
600 FROM metabib.keyword_field_entry WHERE source = bib_id;
602 DELETE FROM metabib.combined_title_field_entry WHERE record = bib_id;
603 INSERT INTO metabib.combined_title_field_entry(record, metabib_field, index_vector)
604 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
605 FROM metabib.title_field_entry WHERE source = bib_id GROUP BY field;
606 INSERT INTO metabib.combined_title_field_entry(record, metabib_field, index_vector)
607 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
608 FROM metabib.title_field_entry WHERE source = bib_id;
610 DELETE FROM metabib.combined_author_field_entry WHERE record = bib_id;
611 INSERT INTO metabib.combined_author_field_entry(record, metabib_field, index_vector)
612 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
613 FROM metabib.author_field_entry WHERE source = bib_id GROUP BY field;
614 INSERT INTO metabib.combined_author_field_entry(record, metabib_field, index_vector)
615 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
616 FROM metabib.author_field_entry WHERE source = bib_id;
618 DELETE FROM metabib.combined_subject_field_entry WHERE record = bib_id;
619 INSERT INTO metabib.combined_subject_field_entry(record, metabib_field, index_vector)
620 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
621 FROM metabib.subject_field_entry WHERE source = bib_id GROUP BY field;
622 INSERT INTO metabib.combined_subject_field_entry(record, metabib_field, index_vector)
623 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
624 FROM metabib.subject_field_entry WHERE source = bib_id;
626 DELETE FROM metabib.combined_series_field_entry WHERE record = bib_id;
627 INSERT INTO metabib.combined_series_field_entry(record, metabib_field, index_vector)
628 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
629 FROM metabib.series_field_entry WHERE source = bib_id GROUP BY field;
630 INSERT INTO metabib.combined_series_field_entry(record, metabib_field, index_vector)
631 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
632 FROM metabib.series_field_entry WHERE source = bib_id;
634 DELETE FROM metabib.combined_identifier_field_entry WHERE record = bib_id;
635 INSERT INTO metabib.combined_identifier_field_entry(record, metabib_field, index_vector)
636 SELECT bib_id, field, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
637 FROM metabib.identifier_field_entry WHERE source = bib_id GROUP BY field;
638 INSERT INTO metabib.combined_identifier_field_entry(record, metabib_field, index_vector)
639 SELECT bib_id, NULL, strip(COALESCE(string_agg(index_vector::TEXT,' '),'')::tsvector)
640 FROM metabib.identifier_field_entry WHERE source = bib_id;
643 $func$ LANGUAGE PLPGSQL;
645 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 $func$
648 ind_data metabib.field_entry_template%ROWTYPE;
649 mbe_row metabib.browse_entry%ROWTYPE;
657 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;
658 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;
659 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;
661 PERFORM * FROM config.internal_flag WHERE name = 'ingest.assume_inserts_only' AND enabled;
663 IF NOT b_skip_search THEN
664 FOR fclass IN SELECT * FROM config.metabib_class LOOP
665 -- RAISE NOTICE 'Emptying out %', fclass.name;
666 EXECUTE $$DELETE FROM metabib.$$ || fclass.name || $$_field_entry WHERE source = $$ || bib_id;
669 IF NOT b_skip_facet THEN
670 DELETE FROM metabib.facet_entry WHERE source = bib_id;
672 IF NOT b_skip_browse THEN
673 DELETE FROM metabib.browse_entry_def_map WHERE source = bib_id;
677 FOR ind_data IN SELECT * FROM biblio.extract_metabib_field_entry( bib_id ) LOOP
678 IF ind_data.field < 0 THEN
679 ind_data.field = -1 * ind_data.field;
682 IF ind_data.facet_field AND NOT b_skip_facet THEN
683 INSERT INTO metabib.facet_entry (field, source, value)
684 VALUES (ind_data.field, ind_data.source, ind_data.value);
687 IF ind_data.browse_field AND NOT b_skip_browse THEN
688 -- A caveat about this SELECT: this should take care of replacing
689 -- old mbe rows when data changes, but not if normalization (by
690 -- which I mean specifically the output of
691 -- evergreen.oils_tsearch2()) changes. It may or may not be
692 -- expensive to add a comparison of index_vector to index_vector
693 -- to the WHERE clause below.
695 value_prepped := metabib.browse_normalize(ind_data.value, ind_data.field);
696 SELECT INTO mbe_row * FROM metabib.browse_entry
697 WHERE value = value_prepped AND sort_value = ind_data.sort_value;
700 mbe_id := mbe_row.id;
702 INSERT INTO metabib.browse_entry
703 ( value, sort_value ) VALUES
704 ( value_prepped, ind_data.sort_value );
706 mbe_id := CURRVAL('metabib.browse_entry_id_seq'::REGCLASS);
709 INSERT INTO metabib.browse_entry_def_map (entry, def, source, authority)
710 VALUES (mbe_id, ind_data.field, ind_data.source, ind_data.authority);
713 -- Avoid inserting duplicate rows, but retain granularity of being
714 -- able to search browse fields with "starts with" type operators
715 -- (for example, for titles of songs in music albums)
716 IF (ind_data.search_field OR ind_data.browse_field) AND NOT b_skip_search THEN
717 EXECUTE 'SELECT 1 FROM metabib.' || ind_data.field_class ||
718 '_field_entry WHERE field = $1 AND source = $2 AND value = $3'
719 INTO mbe_id USING ind_data.field, ind_data.source, ind_data.value;
720 -- RAISE NOTICE 'Search for an already matching row returned %', mbe_id;
721 IF mbe_id IS NULL THEN
723 INSERT INTO metabib.$$ || ind_data.field_class || $$_field_entry (field, source, value)
725 quote_literal(ind_data.field) || $$, $$ ||
726 quote_literal(ind_data.source) || $$, $$ ||
727 quote_literal(ind_data.value) ||
734 IF NOT b_skip_search THEN
735 PERFORM metabib.update_combined_index_vectors(bib_id);
740 $func$ LANGUAGE PLPGSQL;
742 -- default to a space joiner
743 CREATE OR REPLACE FUNCTION biblio.extract_metabib_field_entry ( BIGINT ) RETURNS SETOF metabib.field_entry_template AS $func$
744 SELECT * FROM biblio.extract_metabib_field_entry($1, ' ');
747 CREATE OR REPLACE FUNCTION authority.flatten_marc ( rid BIGINT ) RETURNS SETOF authority.full_rec AS $func$
749 auth authority.record_entry%ROWTYPE;
750 output authority.full_rec%ROWTYPE;
753 SELECT INTO auth * FROM authority.record_entry WHERE id = rid;
755 FOR field IN SELECT * FROM vandelay.flatten_marc( auth.marc ) LOOP
756 output.record := rid;
757 output.ind1 := field.ind1;
758 output.ind2 := field.ind2;
759 output.tag := field.tag;
760 output.subfield := field.subfield;
761 output.value := field.value;
766 $func$ LANGUAGE PLPGSQL;
768 CREATE OR REPLACE FUNCTION biblio.flatten_marc ( rid BIGINT ) RETURNS SETOF metabib.full_rec AS $func$
770 bib biblio.record_entry%ROWTYPE;
771 output metabib.full_rec%ROWTYPE;
774 SELECT INTO bib * FROM biblio.record_entry WHERE id = rid;
776 FOR field IN SELECT * FROM vandelay.flatten_marc( bib.marc ) LOOP
777 output.record := rid;
778 output.ind1 := field.ind1;
779 output.ind2 := field.ind2;
780 output.tag := field.tag;
781 output.subfield := field.subfield;
782 output.value := field.value;
787 $func$ LANGUAGE PLPGSQL;
789 CREATE OR REPLACE FUNCTION vandelay.marc21_record_type( marc TEXT ) RETURNS config.marc21_rec_type_map AS $func$
796 retval config.marc21_rec_type_map%ROWTYPE;
798 ldr := oils_xpath_string( '//*[local-name()="leader"]', marc );
800 IF ldr IS NULL OR ldr = '' THEN
801 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE code = 'BKS';
805 SELECT * INTO tval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'Type' LIMIT 1; -- They're all the same
806 SELECT * INTO bval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'BLvl' LIMIT 1; -- They're all the same
809 tval := SUBSTRING( ldr, tval_rec.start_pos + 1, tval_rec.length );
810 bval := SUBSTRING( ldr, bval_rec.start_pos + 1, bval_rec.length );
812 -- RAISE NOTICE 'type %, blvl %, ldr %', tval, bval, ldr;
814 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE type_val LIKE '%' || tval || '%' AND blvl_val LIKE '%' || bval || '%';
817 IF retval.code IS NULL THEN
818 SELECT * INTO retval FROM config.marc21_rec_type_map WHERE code = 'BKS';
823 $func$ LANGUAGE PLPGSQL;
825 CREATE OR REPLACE FUNCTION biblio.marc21_record_type( rid BIGINT ) RETURNS config.marc21_rec_type_map AS $func$
826 SELECT * FROM vandelay.marc21_record_type( (SELECT marc FROM biblio.record_entry WHERE id = $1) );
829 CREATE OR REPLACE FUNCTION vandelay.marc21_extract_fixed_field( marc TEXT, ff TEXT ) RETURNS TEXT AS $func$
836 rtype := (vandelay.marc21_record_type( marc )).code;
837 FOR ff_pos IN SELECT * FROM config.marc21_ff_pos_map WHERE fixed_field = ff AND rec_type = rtype ORDER BY tag DESC LOOP
838 IF ff_pos.tag = 'ldr' THEN
839 val := oils_xpath_string('//*[local-name()="leader"]', marc);
840 IF val IS NOT NULL THEN
841 val := SUBSTRING( val, ff_pos.start_pos + 1, ff_pos.length );
845 FOR tag_data IN SELECT value FROM UNNEST( oils_xpath( '//*[@tag="' || UPPER(ff_pos.tag) || '"]/text()', marc ) ) x(value) LOOP
846 val := SUBSTRING( tag_data.value, ff_pos.start_pos + 1, ff_pos.length );
850 val := REPEAT( ff_pos.default_val, ff_pos.length );
856 $func$ LANGUAGE PLPGSQL;
858 CREATE OR REPLACE FUNCTION biblio.marc21_extract_fixed_field( rid BIGINT, ff TEXT ) RETURNS TEXT AS $func$
859 SELECT * FROM vandelay.marc21_extract_fixed_field( (SELECT marc FROM biblio.record_entry WHERE id = $1), $2 );
862 -- CREATE TYPE biblio.record_ff_map AS (record BIGINT, ff_name TEXT, ff_value TEXT);
863 CREATE OR REPLACE FUNCTION vandelay.marc21_extract_all_fixed_fields( marc TEXT ) RETURNS SETOF biblio.record_ff_map AS $func$
868 output biblio.record_ff_map%ROWTYPE;
870 rtype := (vandelay.marc21_record_type( marc )).code;
872 FOR ff_pos IN SELECT * FROM config.marc21_ff_pos_map WHERE rec_type = rtype ORDER BY tag DESC LOOP
873 output.ff_name := ff_pos.fixed_field;
874 output.ff_value := NULL;
876 IF ff_pos.tag = 'ldr' THEN
877 output.ff_value := oils_xpath_string('//*[local-name()="leader"]', marc);
878 IF output.ff_value IS NOT NULL THEN
879 output.ff_value := SUBSTRING( output.ff_value, ff_pos.start_pos + 1, ff_pos.length );
881 output.ff_value := NULL;
884 FOR tag_data IN SELECT value FROM UNNEST( oils_xpath( '//*[@tag="' || UPPER(ff_pos.tag) || '"]/text()', marc ) ) x(value) LOOP
885 output.ff_value := SUBSTRING( tag_data, ff_pos.start_pos + 1, ff_pos.length );
886 IF output.ff_value IS NULL THEN output.ff_value := REPEAT( ff_pos.default_val, ff_pos.length ); END IF;
888 output.ff_value := NULL;
896 $func$ LANGUAGE PLPGSQL;
898 CREATE OR REPLACE FUNCTION biblio.marc21_extract_all_fixed_fields( rid BIGINT ) RETURNS SETOF biblio.record_ff_map AS $func$
899 SELECT $1 AS record, ff_name, ff_value FROM vandelay.marc21_extract_all_fixed_fields( (SELECT marc FROM biblio.record_entry WHERE id = $1) );
902 CREATE OR REPLACE FUNCTION biblio.marc21_physical_characteristics( rid BIGINT ) RETURNS SETOF biblio.marc21_physical_characteristics AS $func$
903 SELECT id, $1 AS record, ptype, subfield, value FROM vandelay.marc21_physical_characteristics( (SELECT marc FROM biblio.record_entry WHERE id = $1) );
906 CREATE OR REPLACE FUNCTION biblio.extract_quality ( marc TEXT, best_lang TEXT, best_type TEXT ) RETURNS INT AS $func$
919 IF marc IS NULL OR marc = '' THEN
923 -- First, the count of tags
924 qual := ARRAY_UPPER(oils_xpath('*[local-name()="datafield"]', marc), 1);
926 -- now go through a bunch of pain to get the record type
927 IF best_type IS NOT NULL THEN
928 ldr := (oils_xpath('//*[local-name()="leader"]/text()', marc))[1];
930 IF ldr IS NOT NULL THEN
931 SELECT * INTO tval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'Type' LIMIT 1; -- They're all the same
932 SELECT * INTO bval_rec FROM config.marc21_ff_pos_map WHERE fixed_field = 'BLvl' LIMIT 1; -- They're all the same
935 tval := SUBSTRING( ldr, tval_rec.start_pos + 1, tval_rec.length );
936 bval := SUBSTRING( ldr, bval_rec.start_pos + 1, bval_rec.length );
938 -- RAISE NOTICE 'type %, blvl %, ldr %', tval, bval, ldr;
940 SELECT * INTO type_map FROM config.marc21_rec_type_map WHERE type_val LIKE '%' || tval || '%' AND blvl_val LIKE '%' || bval || '%';
942 IF type_map.code IS NOT NULL THEN
943 IF best_type = type_map.code THEN
944 qual := qual + qual / 2;
947 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
948 ff_tag_data := SUBSTRING((oils_xpath('//*[@tag="' || ff_pos.tag || '"]/text()',marc))[1], ff_pos.start_pos + 1, ff_pos.length);
949 IF ff_tag_data = best_lang THEN
957 -- Now look for some quality metrics
959 IF ARRAY_UPPER(oils_xpath('//*[@tag="040"]/*[@code="a" and contains(.,"DLC")]', marc), 1) = 1 THEN
964 IF (oils_xpath('//*[@tag="003"]/text()', marc))[1] ~* E'oclo?c' THEN
971 $func$ LANGUAGE PLPGSQL;
973 CREATE OR REPLACE FUNCTION biblio.extract_fingerprint ( marc text ) RETURNS TEXT AS $func$
975 idx config.biblio_fingerprint%ROWTYPE;
976 xfrm config.xml_transform%ROWTYPE;
978 transformed_xml TEXT;
980 xml_node_list TEXT[];
982 output_text TEXT := '';
985 IF marc IS NULL OR marc = '' THEN
989 -- Loop over the indexing entries
990 FOR idx IN SELECT * FROM config.biblio_fingerprint ORDER BY format, id LOOP
992 SELECT INTO xfrm * from config.xml_transform WHERE name = idx.format;
994 -- See if we can skip the XSLT ... it's expensive
995 IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
996 -- Can't skip the transform
997 IF xfrm.xslt <> '---' THEN
998 transformed_xml := oils_xslt_process(marc,xfrm.xslt);
1000 transformed_xml := marc;
1003 prev_xfrm := xfrm.name;
1006 raw_text := COALESCE(
1014 ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]
1023 raw_text := REGEXP_REPLACE(raw_text, E'\\[.+?\\]', E'');
1024 raw_text := REGEXP_REPLACE(raw_text, E'\\mthe\\M|\\man?d?d\\M', E'', 'g'); -- arg! the pain!
1026 IF idx.first_word IS TRUE THEN
1027 raw_text := REGEXP_REPLACE(raw_text, E'^(\\w+).*?$', E'\\1');
1030 output_text := output_text || REGEXP_REPLACE(raw_text, E'\\s+', '', 'g');
1037 $func$ LANGUAGE PLPGSQL;
1039 -- BEFORE UPDATE OR INSERT trigger for biblio.record_entry
1040 CREATE OR REPLACE FUNCTION biblio.fingerprint_trigger () RETURNS TRIGGER AS $func$
1043 -- For TG_ARGV, first param is language (like 'eng'), second is record type (like 'BKS')
1045 IF NEW.deleted IS TRUE THEN -- we don't much care, then, do we?
1049 NEW.fingerprint := biblio.extract_fingerprint(NEW.marc);
1050 NEW.quality := biblio.extract_quality(NEW.marc, TG_ARGV[0], TG_ARGV[1]);
1055 $func$ LANGUAGE PLPGSQL;
1057 CREATE OR REPLACE FUNCTION metabib.reingest_metabib_full_rec( bib_id BIGINT ) RETURNS VOID AS $func$
1059 PERFORM * FROM config.internal_flag WHERE name = 'ingest.assume_inserts_only' AND enabled;
1061 DELETE FROM metabib.real_full_rec WHERE record = bib_id;
1063 INSERT INTO metabib.real_full_rec (record, tag, ind1, ind2, subfield, value)
1064 SELECT record, tag, ind1, ind2, subfield, value FROM biblio.flatten_marc( bib_id );
1068 $func$ LANGUAGE PLPGSQL;
1070 CREATE OR REPLACE FUNCTION biblio.extract_located_uris( bib_id BIGINT, marcxml TEXT, editor_id INT ) RETURNS VOID AS $func$
1077 uri_owner_list TEXT[];
1085 -- Clear any URI mappings and call numbers for this bib.
1086 -- This leads to acn / auricnm inflation, but also enables
1087 -- old acn/auricnm's to go away and for bibs to be deleted.
1088 FOR uri_cn_id IN SELECT id FROM asset.call_number WHERE record = bib_id AND label = '##URI##' AND NOT deleted LOOP
1089 DELETE FROM asset.uri_call_number_map WHERE call_number = uri_cn_id;
1090 DELETE FROM asset.call_number WHERE id = uri_cn_id;
1093 uris := oils_xpath('//*[@tag="856" and (@ind1="4" or @ind1="1") and (@ind2="0" or @ind2="1")]',marcxml);
1094 IF ARRAY_UPPER(uris,1) > 0 THEN
1095 FOR i IN 1 .. ARRAY_UPPER(uris, 1) LOOP
1096 -- First we pull info out of the 856
1099 uri_href := (oils_xpath('//*[@code="u"]/text()',uri_xml))[1];
1100 uri_label := (oils_xpath('//*[@code="y"]/text()|//*[@code="3"]/text()',uri_xml))[1];
1101 uri_use := (oils_xpath('//*[@code="z"]/text()|//*[@code="2"]/text()|//*[@code="n"]/text()',uri_xml))[1];
1103 IF uri_label IS NULL THEN
1104 uri_label := uri_href;
1106 CONTINUE WHEN uri_href IS NULL;
1108 -- Get the distinct list of libraries wanting to use
1110 DISTINCT REGEXP_REPLACE(
1112 $re$^.*?\((\w+)\).*$$re$,
1115 ) INTO uri_owner_list
1118 '//*[@code="9"]/text()|//*[@code="w"]/text()|//*[@code="n"]/text()',
1123 IF ARRAY_UPPER(uri_owner_list,1) > 0 THEN
1125 -- look for a matching uri
1126 IF uri_use IS NULL THEN
1127 SELECT id INTO uri_id
1129 WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active
1130 ORDER BY id LIMIT 1;
1131 IF NOT FOUND THEN -- create one
1132 INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
1133 SELECT id INTO uri_id
1135 WHERE label = uri_label AND href = uri_href AND use_restriction IS NULL AND active;
1138 SELECT id INTO uri_id
1140 WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active
1141 ORDER BY id LIMIT 1;
1142 IF NOT FOUND THEN -- create one
1143 INSERT INTO asset.uri (label, href, use_restriction) VALUES (uri_label, uri_href, uri_use);
1144 SELECT id INTO uri_id
1146 WHERE label = uri_label AND href = uri_href AND use_restriction = uri_use AND active;
1150 FOR j IN 1 .. ARRAY_UPPER(uri_owner_list, 1) LOOP
1151 uri_owner := uri_owner_list[j];
1153 SELECT id INTO uri_owner_id FROM actor.org_unit WHERE shortname = uri_owner;
1154 CONTINUE WHEN NOT FOUND;
1156 -- we need a call number to link through
1157 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;
1159 INSERT INTO asset.call_number (owning_lib, record, create_date, edit_date, creator, editor, label)
1160 VALUES (uri_owner_id, bib_id, 'now', 'now', editor_id, editor_id, '##URI##');
1161 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;
1164 -- now, link them if they're not already
1165 SELECT id INTO uri_map_id FROM asset.uri_call_number_map WHERE call_number = uri_cn_id AND uri = uri_id;
1167 INSERT INTO asset.uri_call_number_map (call_number, uri) VALUES (uri_cn_id, uri_id);
1179 $func$ LANGUAGE PLPGSQL;
1181 CREATE OR REPLACE FUNCTION metabib.remap_metarecord_for_bib( bib_id BIGINT, fp TEXT ) RETURNS BIGINT AS $func$
1185 tmp_mr metabib.metarecord%ROWTYPE;
1186 deleted_mrs BIGINT[];
1189 DELETE FROM metabib.metarecord_source_map WHERE source = bib_id; -- Rid ourselves of the search-estimate-killing linkage
1191 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
1193 IF old_mr IS NULL AND fp = tmp_mr.fingerprint THEN -- Find the first fingerprint-matching
1194 old_mr := tmp_mr.id;
1196 SELECT COUNT(*) INTO source_count FROM metabib.metarecord_source_map WHERE metarecord = tmp_mr.id;
1197 IF source_count = 0 THEN -- No other records
1198 deleted_mrs := ARRAY_APPEND(deleted_mrs, tmp_mr.id);
1199 DELETE FROM metabib.metarecord WHERE id = tmp_mr.id;
1205 IF old_mr IS NULL THEN -- we found no suitable, preexisting MR based on old source maps
1206 SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp; -- is there one for our current fingerprint?
1207 IF old_mr IS NULL THEN -- nope, create one and grab its id
1208 INSERT INTO metabib.metarecord ( fingerprint, master_record ) VALUES ( fp, bib_id );
1209 SELECT id INTO old_mr FROM metabib.metarecord WHERE fingerprint = fp;
1210 ELSE -- indeed there is. update it with a null cache and recalcualated master record
1211 UPDATE metabib.metarecord
1213 master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp ORDER BY quality DESC LIMIT 1)
1216 ELSE -- there was one we already attached to, update its mods cache and master_record
1217 UPDATE metabib.metarecord
1219 master_record = ( SELECT id FROM biblio.record_entry WHERE fingerprint = fp ORDER BY quality DESC LIMIT 1)
1223 INSERT INTO metabib.metarecord_source_map (metarecord, source) VALUES (old_mr, bib_id); -- new source mapping
1225 IF ARRAY_UPPER(deleted_mrs,1) > 0 THEN
1226 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
1232 $func$ LANGUAGE PLPGSQL;
1234 CREATE OR REPLACE FUNCTION biblio.map_authority_linking (bibid BIGINT, marc TEXT) RETURNS BIGINT AS $func$
1235 DELETE FROM authority.bib_linking WHERE bib = $1;
1236 INSERT INTO authority.bib_linking (bib, authority)
1239 FROM ( SELECT DISTINCT $1 AS bib,
1240 BTRIM(remove_paren_substring(txt))::BIGINT AS authority
1241 FROM unnest(oils_xpath('//*[@code="0"]/text()',$2)) x(txt)
1242 WHERE BTRIM(remove_paren_substring(txt)) ~ $re$^\d+$$re$
1243 ) y JOIN authority.record_entry r ON r.id = y.authority;
1245 $func$ LANGUAGE SQL;
1247 -- AFTER UPDATE OR INSERT trigger for biblio.record_entry
1248 CREATE OR REPLACE FUNCTION biblio.indexing_ingest_or_delete () RETURNS TRIGGER AS $func$
1250 transformed_xml TEXT;
1253 xfrm config.xml_transform%ROWTYPE;
1255 new_attrs HSTORE := ''::HSTORE;
1256 attr_def config.record_attr_definition%ROWTYPE;
1259 IF NEW.deleted IS TRUE THEN -- If this bib is deleted
1260 PERFORM * FROM config.internal_flag WHERE
1261 name = 'ingest.metarecord_mapping.preserve_on_delete' AND enabled;
1263 -- One needs to keep these around to support searches
1264 -- with the #deleted modifier, so one should turn on the named
1265 -- internal flag for that functionality.
1266 DELETE FROM metabib.metarecord_source_map WHERE source = NEW.id;
1267 DELETE FROM metabib.record_attr WHERE id = NEW.id;
1270 DELETE FROM authority.bib_linking WHERE bib = NEW.id; -- Avoid updating fields in bibs that are no longer visible
1271 DELETE FROM biblio.peer_bib_copy_map WHERE peer_record = NEW.id; -- Separate any multi-homed items
1272 DELETE FROM metabib.browse_entry_def_map WHERE source = NEW.id; -- Don't auto-suggest deleted bibs
1273 RETURN NEW; -- and we're done
1276 IF TG_OP = 'UPDATE' THEN -- re-ingest?
1277 PERFORM * FROM config.internal_flag WHERE name = 'ingest.reingest.force_on_same_marc' AND enabled;
1279 IF NOT FOUND AND OLD.marc = NEW.marc THEN -- don't do anything if the MARC didn't change
1284 -- Record authority linking
1285 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_authority_linking' AND enabled;
1287 PERFORM biblio.map_authority_linking( NEW.id, NEW.marc );
1290 -- Flatten and insert the mfr data
1291 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_full_rec' AND enabled;
1293 PERFORM metabib.reingest_metabib_full_rec(NEW.id);
1295 -- Now we pull out attribute data, which is dependent on the mfr for all but XPath-based fields
1296 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_rec_descriptor' AND enabled;
1298 FOR attr_def IN SELECT * FROM config.record_attr_definition ORDER BY format LOOP
1300 IF attr_def.tag IS NOT NULL THEN -- tag (and optional subfield list) selection
1301 SELECT ARRAY_TO_STRING(ARRAY_ACCUM(value), COALESCE(attr_def.joiner,' ')) INTO attr_value
1302 FROM (SELECT * FROM metabib.full_rec ORDER BY tag, subfield) AS x
1303 WHERE record = NEW.id
1304 AND tag LIKE attr_def.tag
1306 WHEN attr_def.sf_list IS NOT NULL
1307 THEN POSITION(subfield IN attr_def.sf_list) > 0
1314 ELSIF attr_def.fixed_field IS NOT NULL THEN -- a named fixed field, see config.marc21_ff_pos_map.fixed_field
1315 attr_value := biblio.marc21_extract_fixed_field(NEW.id, attr_def.fixed_field);
1317 ELSIF attr_def.xpath IS NOT NULL THEN -- and xpath expression
1319 SELECT INTO xfrm * FROM config.xml_transform WHERE name = attr_def.format;
1321 -- See if we can skip the XSLT ... it's expensive
1322 IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
1323 -- Can't skip the transform
1324 IF xfrm.xslt <> '---' THEN
1325 transformed_xml := oils_xslt_process(NEW.marc,xfrm.xslt);
1327 transformed_xml := NEW.marc;
1330 prev_xfrm := xfrm.name;
1333 IF xfrm.name IS NULL THEN
1334 -- just grab the marcxml (empty) transform
1335 SELECT INTO xfrm * FROM config.xml_transform WHERE xslt = '---' LIMIT 1;
1336 prev_xfrm := xfrm.name;
1339 attr_value := oils_xpath_string(attr_def.xpath, transformed_xml, COALESCE(attr_def.joiner,' '), ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]);
1341 ELSIF attr_def.phys_char_sf IS NOT NULL THEN -- a named Physical Characteristic, see config.marc21_physical_characteristic_*_map
1342 SELECT m.value INTO attr_value
1343 FROM biblio.marc21_physical_characteristics(NEW.id) v
1344 JOIN config.marc21_physical_characteristic_value_map m ON (m.id = v.value)
1345 WHERE v.subfield = attr_def.phys_char_sf
1346 LIMIT 1; -- Just in case ...
1350 -- apply index normalizers to attr_value
1352 SELECT n.func AS func,
1353 n.param_count AS param_count,
1355 FROM config.index_normalizer n
1356 JOIN config.record_attr_index_norm_map m ON (m.norm = n.id)
1357 WHERE attr = attr_def.name
1359 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1360 COALESCE( quote_literal( attr_value ), 'NULL' ) ||
1362 WHEN normalizer.param_count > 0
1363 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1366 ')' INTO attr_value;
1370 -- Add the new value to the hstore
1371 new_attrs := new_attrs || hstore( attr_def.name, attr_value );
1375 IF TG_OP = 'INSERT' OR OLD.deleted THEN -- initial insert OR revivication
1376 DELETE FROM metabib.record_attr WHERE id = NEW.id;
1377 INSERT INTO metabib.record_attr (id, attrs) VALUES (NEW.id, new_attrs);
1379 UPDATE metabib.record_attr SET attrs = new_attrs WHERE id = NEW.id;
1385 -- Gather and insert the field entry data
1386 PERFORM metabib.reingest_metabib_field_entries(NEW.id);
1388 -- Located URI magic
1389 IF TG_OP = 'INSERT' THEN
1390 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled;
1392 PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor );
1395 PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled;
1397 PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor );
1401 -- (re)map metarecord-bib linking
1402 IF TG_OP = 'INSERT' THEN -- if not deleted and performing an insert, check for the flag
1403 PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_insert' AND enabled;
1405 PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint );
1407 ELSE -- we're doing an update, and we're not deleted, remap
1408 PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_update' AND enabled;
1410 PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint );
1416 $func$ LANGUAGE PLPGSQL;
1418 CREATE OR REPLACE FUNCTION metabib.browse_normalize(facet_text TEXT, mapped_field INT) RETURNS TEXT AS $$
1424 SELECT n.func AS func,
1425 n.param_count AS param_count,
1427 FROM config.index_normalizer n
1428 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
1429 WHERE m.field = mapped_field AND m.pos < 0
1432 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1433 quote_literal( facet_text ) ||
1435 WHEN normalizer.param_count > 0
1436 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1439 ')' INTO facet_text;
1446 $$ LANGUAGE PLPGSQL;
1449 -- This mimics a specific part of QueryParser, turning the first part of a
1450 -- classed search (search_class) into a set of classes and possibly fields.
1451 -- search_class might look like "author" or "title|proper" or "ti|uniform"
1452 -- or "au" or "au|corporate|personal" or anything like that, where the first
1453 -- element of the list you get by separating on the "|" character is either
1454 -- a registered class (config.metabib_class) or an alias
1455 -- (config.metabib_search_alias), and the rest of any such elements are
1456 -- fields (config.metabib_field).
1458 FUNCTION metabib.search_class_to_registered_components(search_class TEXT)
1459 RETURNS SETOF RECORD AS $func$
1461 search_parts TEXT[];
1463 search_part_count INTEGER;
1465 registered_class config.metabib_class%ROWTYPE;
1466 registered_alias config.metabib_search_alias%ROWTYPE;
1467 registered_field config.metabib_field%ROWTYPE;
1469 search_parts := REGEXP_SPLIT_TO_ARRAY(search_class, E'\\|');
1471 search_part_count := ARRAY_LENGTH(search_parts, 1);
1472 IF search_part_count = 0 THEN
1475 SELECT INTO registered_class
1476 * FROM config.metabib_class WHERE name = search_parts[1];
1478 IF search_part_count < 2 THEN -- all fields
1479 rec := (registered_class.name, NULL::INTEGER);
1483 FOR field_name IN SELECT *
1484 FROM UNNEST(search_parts[2:search_part_count]) LOOP
1485 SELECT INTO registered_field
1486 * FROM config.metabib_field
1487 WHERE name = field_name AND
1488 field_class = registered_class.name;
1490 rec := (registered_class.name, registered_field.id);
1495 -- maybe we have an alias?
1496 SELECT INTO registered_alias
1497 * FROM config.metabib_search_alias WHERE alias=search_parts[1];
1501 IF search_part_count < 2 THEN -- return w/e the alias says
1503 registered_alias.field_class, registered_alias.field
1508 FOR field_name IN SELECT *
1509 FROM UNNEST(search_parts[2:search_part_count]) LOOP
1510 SELECT INTO registered_field
1511 * FROM config.metabib_field
1512 WHERE name = field_name AND
1513 field_class = registered_alias.field_class;
1516 registered_alias.field_class,
1527 $func$ LANGUAGE PLPGSQL ROWS 1;
1530 -- Given a string such as a user might type into a search box, prepare
1531 -- two changed variants for TO_TSQUERY(). See
1532 -- http://www.postgresql.org/docs/9.0/static/textsearch-controls.html
1533 -- The first variant is normalized to match indexed documents regardless
1534 -- of diacritics. The second variant keeps its diacritics for proper
1535 -- highlighting via TS_HEADLINE().
1537 FUNCTION metabib.autosuggest_prepare_tsquery(orig TEXT) RETURNS TEXT[] AS
1540 orig_ended_in_space BOOLEAN;
1545 orig_ended_in_space := orig ~ E'\\s$';
1547 orig := ARRAY_TO_STRING(
1548 evergreen.regexp_split_to_array(orig, E'\\W+'), ' '
1551 normalized := public.naco_normalize(orig); -- also trim()s
1552 plain := trim(orig);
1554 IF NOT orig_ended_in_space THEN
1555 plain := plain || ':*';
1556 normalized := normalized || ':*';
1559 plain := ARRAY_TO_STRING(
1560 evergreen.regexp_split_to_array(plain, E'\\s+'), ' & '
1562 normalized := ARRAY_TO_STRING(
1563 evergreen.regexp_split_to_array(normalized, E'\\s+'), ' & '
1566 RETURN ARRAY[normalized, plain];
1568 $$ LANGUAGE PLPGSQL;
1572 FUNCTION metabib.suggest_browse_entries(
1573 raw_query_text TEXT, -- actually typed by humans at the UI level
1574 search_class TEXT, -- 'alias' or 'class' or 'class|field..', etc
1575 headline_opts TEXT, -- markup options for ts_headline()
1576 visibility_org INTEGER,-- null if you don't want opac visibility test
1577 query_limit INTEGER,-- use in LIMIT clause of interal query
1578 normalization INTEGER -- argument to TS_RANK_CD()
1580 value TEXT, -- plain
1582 buoyant_and_class_match BOOL,
1584 field_weight INTEGER,
1587 match TEXT -- marked up
1590 prepared_query_texts TEXT[];
1592 plain_query TSQUERY;
1593 opac_visibility_join TEXT;
1594 search_class_join TEXT;
1597 prepared_query_texts := metabib.autosuggest_prepare_tsquery(raw_query_text);
1599 query := TO_TSQUERY('keyword', prepared_query_texts[1]);
1600 plain_query := TO_TSQUERY('keyword', prepared_query_texts[2]);
1602 visibility_org := NULLIF(visibility_org,-1);
1603 IF visibility_org IS NOT NULL THEN
1604 opac_visibility_join := '
1605 JOIN asset.opac_visible_copies aovc ON (
1606 aovc.record = x.source AND
1607 aovc.circ_lib IN (SELECT id FROM actor.org_unit_descendants($4))
1610 opac_visibility_join := '';
1613 -- The following determines whether we only provide suggestsons matching
1614 -- the user's selected search_class, or whether we show other suggestions
1615 -- too. The reason for MIN() is that for search_classes like
1616 -- 'title|proper|uniform' you would otherwise get multiple rows. The
1617 -- implication is that if title as a class doesn't have restrict,
1618 -- nor does the proper field, but the uniform field does, you're going
1619 -- to get 'false' for your overall evaluation of 'should we restrict?'
1620 -- To invert that, change from MIN() to MAX().
1624 MIN(cmc.restrict::INT) AS restrict_class,
1625 MIN(cmf.restrict::INT) AS restrict_field
1626 FROM metabib.search_class_to_registered_components(search_class)
1627 AS _registered (field_class TEXT, field INT)
1629 config.metabib_class cmc ON (cmc.name = _registered.field_class)
1631 config.metabib_field cmf ON (cmf.id = _registered.field);
1633 -- evaluate 'should we restrict?'
1634 IF r_fields.restrict_field::BOOL OR r_fields.restrict_class::BOOL THEN
1635 search_class_join := '
1637 metabib.search_class_to_registered_components($2)
1638 AS _registered (field_class TEXT, field INT) ON (
1639 (_registered.field IS NULL AND
1640 _registered.field_class = cmf.field_class) OR
1641 (_registered.field = cmf.id)
1645 search_class_join := '
1647 metabib.search_class_to_registered_components($2)
1648 AS _registered (field_class TEXT, field INT) ON (
1649 _registered.field_class = cmc.name
1654 RETURN QUERY EXECUTE '
1663 TS_HEADLINE(value, $7, $3)
1664 FROM (SELECT DISTINCT
1667 cmc.buoyant AND _registered.field_class IS NOT NULL AS push,
1668 _registered.field = cmf.id AS restrict,
1670 TS_RANK_CD(mbe.index_vector, $1, $6),
1673 FROM metabib.browse_entry_def_map mbedm
1674 JOIN (SELECT * FROM metabib.browse_entry WHERE index_vector @@ $1 LIMIT 10000) mbe ON (mbe.id = mbedm.entry)
1675 JOIN config.metabib_field cmf ON (cmf.id = mbedm.def)
1676 JOIN config.metabib_class cmc ON (cmf.field_class = cmc.name)
1677 ' || search_class_join || '
1678 ORDER BY 3 DESC, 4 DESC NULLS LAST, 5 DESC, 6 DESC, 7 DESC, 1 ASC
1680 ' || opac_visibility_join || '
1681 ORDER BY 3 DESC, 4 DESC NULLS LAST, 5 DESC, 6 DESC, 7 DESC, 1 ASC
1683 ' -- sic, repeat the order by clause in the outer select too
1685 query, search_class, headline_opts,
1686 visibility_org, query_limit, normalization, plain_query
1690 -- buoyant AND chosen class = match class
1691 -- chosen field = match field
1698 $func$ LANGUAGE PLPGSQL;
1700 CREATE OR REPLACE FUNCTION public.oils_tsearch2 () RETURNS TRIGGER AS $$
1704 temp_vector TEXT := '';
1710 NEW.index_vector = ''::tsvector;
1712 IF TG_TABLE_NAME::TEXT ~ 'field_entry$' THEN
1714 SELECT n.func AS func,
1715 n.param_count AS param_count,
1717 FROM config.index_normalizer n
1718 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
1719 WHERE field = NEW.field AND m.pos < 0
1721 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1722 quote_literal( value ) ||
1724 WHEN normalizer.param_count > 0
1725 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1735 SELECT n.func AS func,
1736 n.param_count AS param_count,
1738 FROM config.index_normalizer n
1739 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
1740 WHERE field = NEW.field AND m.pos >= 0
1742 EXECUTE 'SELECT ' || normalizer.func || '(' ||
1743 quote_literal( value ) ||
1745 WHEN normalizer.param_count > 0
1746 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'')
1754 IF TG_TABLE_NAME::TEXT ~ 'browse_entry$' THEN
1755 value := ARRAY_TO_STRING(
1756 evergreen.regexp_split_to_array(value, E'\\W+'), ' '
1758 value := public.search_normalize(value);
1759 NEW.index_vector = to_tsvector(TG_ARGV[0]::regconfig, value);
1760 ELSIF TG_TABLE_NAME::TEXT ~ 'field_entry$' THEN
1762 SELECT ts_config, index_weight
1763 FROM config.metabib_class_ts_map
1764 WHERE field_class = TG_ARGV[0]
1765 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'))
1766 AND always OR NOT EXISTS (SELECT 1 FROM config.metabib_field_ts_map WHERE metabib_field = NEW.field)
1768 SELECT ts_config, index_weight
1769 FROM config.metabib_field_ts_map
1770 WHERE metabib_field = NEW.field
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 ORDER BY index_weight ASC
1774 IF cur_weight IS NOT NULL AND cur_weight != ts_rec.index_weight THEN
1775 NEW.index_vector = NEW.index_vector || setweight(temp_vector::tsvector,cur_weight);
1778 cur_weight = ts_rec.index_weight;
1779 SELECT INTO temp_vector temp_vector || ' ' || to_tsvector(ts_rec.ts_config::regconfig, value)::TEXT;
1781 NEW.index_vector = NEW.index_vector || setweight(temp_vector::tsvector,cur_weight);
1783 NEW.index_vector = to_tsvector(TG_ARGV[0]::regconfig, value);
1788 $$ LANGUAGE PLPGSQL;
1791 CREATE TYPE metabib.flat_browse_entry_appearance AS (
1792 browse_entry BIGINT,
1797 sources INT, -- visible ones, that is
1798 asources INT, -- visible ones, that is
1799 row_number INT, -- internal use, sort of
1800 accurate BOOL, -- Count in sources field is accurate? Not
1801 -- if we had more than a browse superpage
1802 -- of records to look at.
1803 aaccurate BOOL, -- See previous comment...
1808 CREATE OR REPLACE FUNCTION metabib.browse_bib_pivot(
1811 ) RETURNS BIGINT AS $p$
1813 FROM metabib.browse_entry mbe
1814 JOIN metabib.browse_entry_def_map mbedm ON (
1815 mbedm.entry = mbe.id
1816 AND mbedm.def = ANY($1)
1818 WHERE mbe.sort_value >= public.naco_normalize($2)
1819 ORDER BY mbe.sort_value, mbe.value LIMIT 1;
1822 CREATE OR REPLACE FUNCTION metabib.browse_authority_pivot(
1825 ) RETURNS BIGINT AS $p$
1827 FROM metabib.browse_entry mbe
1828 JOIN metabib.browse_entry_simple_heading_map mbeshm ON ( mbeshm.entry = mbe.id )
1829 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
1830 JOIN authority.control_set_auth_field_metabib_field_map_refs map ON (
1831 ash.atag = map.authority_field
1832 AND map.metabib_field = ANY($1)
1834 WHERE mbe.sort_value >= public.naco_normalize($2)
1835 ORDER BY mbe.sort_value, mbe.value LIMIT 1;
1838 CREATE OR REPLACE FUNCTION metabib.browse_authority_refs_pivot(
1841 ) RETURNS BIGINT AS $p$
1843 FROM metabib.browse_entry mbe
1844 JOIN metabib.browse_entry_simple_heading_map mbeshm ON ( mbeshm.entry = mbe.id )
1845 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
1846 JOIN authority.control_set_auth_field_metabib_field_map_refs_only map ON (
1847 ash.atag = map.authority_field
1848 AND map.metabib_field = ANY($1)
1850 WHERE mbe.sort_value >= public.naco_normalize($2)
1851 ORDER BY mbe.sort_value, mbe.value LIMIT 1;
1854 CREATE OR REPLACE FUNCTION metabib.browse_pivot(
1857 ) RETURNS BIGINT AS $p$
1858 SELECT id FROM metabib.browse_entry
1860 metabib.browse_bib_pivot($1, $2),
1861 metabib.browse_authority_refs_pivot($1,$2) -- only look in 4xx, 5xx, 7xx of authority
1863 ORDER BY sort_value, value LIMIT 1;
1867 CREATE OR REPLACE FUNCTION metabib.staged_browse(
1871 context_locations INT[],
1873 browse_superpage_size INT,
1874 count_up_from_zero BOOL, -- if false, count down from -1
1877 ) RETURNS SETOF metabib.flat_browse_entry_appearance AS $p$
1885 result_row metabib.flat_browse_entry_appearance%ROWTYPE;
1886 results_skipped INT := 0;
1887 row_counter INT := 0;
1892 all_records BIGINT[];
1893 all_brecords BIGINT[];
1894 all_arecords BIGINT[];
1895 superpage_of_records BIGINT[];
1898 IF count_up_from_zero THEN
1904 OPEN curs FOR EXECUTE query;
1907 FETCH curs INTO rec;
1909 IF result_row.pivot_point IS NOT NULL THEN
1910 RETURN NEXT result_row;
1916 -- Gather aggregate data based on the MBE row we're looking at now, authority axis
1917 SELECT INTO all_arecords, result_row.sees, afields
1918 ARRAY_AGG(DISTINCT abl.bib), -- bibs to check for visibility
1919 ARRAY_TO_STRING(ARRAY_AGG(DISTINCT aal.source), $$,$$), -- authority record ids
1920 ARRAY_AGG(DISTINCT map.metabib_field) -- authority-tag-linked CMF rows
1922 FROM metabib.browse_entry_simple_heading_map mbeshm
1923 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
1924 JOIN authority.authority_linking aal ON ( ash.record = aal.source )
1925 JOIN authority.bib_linking abl ON ( aal.target = abl.authority )
1926 JOIN authority.control_set_auth_field_metabib_field_map_refs map ON (
1927 ash.atag = map.authority_field
1928 AND map.metabib_field = ANY(fields)
1930 WHERE mbeshm.entry = rec.id;
1933 -- Gather aggregate data based on the MBE row we're looking at now, bib axis
1934 SELECT INTO all_brecords, result_row.authorities, bfields
1935 ARRAY_AGG(DISTINCT source),
1936 ARRAY_TO_STRING(ARRAY_AGG(DISTINCT authority), $$,$$),
1937 ARRAY_AGG(DISTINCT def)
1938 FROM metabib.browse_entry_def_map
1939 WHERE entry = rec.id
1940 AND def = ANY(fields);
1942 SELECT INTO result_row.fields ARRAY_TO_STRING(ARRAY_AGG(DISTINCT x), $$,$$) FROM UNNEST(afields || bfields) x;
1944 result_row.sources := 0;
1945 result_row.asources := 0;
1947 -- Bib-linked vis checking
1948 IF ARRAY_UPPER(all_brecords,1) IS NOT NULL THEN
1950 full_end := ARRAY_LENGTH(all_brecords, 1);
1951 superpage_size := COALESCE(browse_superpage_size, full_end);
1953 slice_end := superpage_size;
1955 WHILE result_row.sources = 0 AND slice_start <= full_end LOOP
1956 superpage_of_records := all_brecords[slice_start:slice_end];
1958 'SELECT NULL::BIGINT AS id, ARRAY[r] AS records, ' ||
1959 '1::INT AS rel FROM (SELECT UNNEST(' ||
1960 quote_literal(superpage_of_records) || '::BIGINT[]) AS r) rr';
1962 -- We use search.query_parser_fts() for visibility testing.
1963 -- We're calling it once per browse-superpage worth of records
1964 -- out of the set of records related to a given mbe, until we've
1965 -- either exhausted that set of records or found at least 1
1968 SELECT INTO result_row.sources visible
1969 FROM search.query_parser_fts(
1970 context_org, NULL, qpfts_query, NULL,
1971 context_locations, 0, NULL, NULL, FALSE, staff, FALSE
1973 WHERE qpfts.rel IS NULL;
1975 slice_start := slice_start + superpage_size;
1976 slice_end := slice_end + superpage_size;
1979 -- Accurate? Well, probably.
1980 result_row.accurate := browse_superpage_size IS NULL OR
1981 browse_superpage_size >= full_end;
1985 -- Authority-linked vis checking
1986 IF ARRAY_UPPER(all_arecords,1) IS NOT NULL THEN
1988 full_end := ARRAY_LENGTH(all_arecords, 1);
1989 superpage_size := COALESCE(browse_superpage_size, full_end);
1991 slice_end := superpage_size;
1993 WHILE result_row.asources = 0 AND slice_start <= full_end LOOP
1994 superpage_of_records := all_arecords[slice_start:slice_end];
1996 'SELECT NULL::BIGINT AS id, ARRAY[r] AS records, ' ||
1997 '1::INT AS rel FROM (SELECT UNNEST(' ||
1998 quote_literal(superpage_of_records) || '::BIGINT[]) AS r) rr';
2000 -- We use search.query_parser_fts() for visibility testing.
2001 -- We're calling it once per browse-superpage worth of records
2002 -- out of the set of records related to a given mbe, via
2003 -- authority until we've either exhausted that set of records
2004 -- or found at least 1 visible record.
2006 SELECT INTO result_row.asources visible
2007 FROM search.query_parser_fts(
2008 context_org, NULL, qpfts_query, NULL,
2009 context_locations, 0, NULL, NULL, FALSE, staff, FALSE
2011 WHERE qpfts.rel IS NULL;
2013 slice_start := slice_start + superpage_size;
2014 slice_end := slice_end + superpage_size;
2018 -- Accurate? Well, probably.
2019 result_row.aaccurate := browse_superpage_size IS NULL OR
2020 browse_superpage_size >= full_end;
2024 IF result_row.sources > 0 OR result_row.asources > 0 THEN
2026 -- The function that calls this function needs row_number in order
2027 -- to correctly order results from two different runs of this
2029 result_row.row_number := row_number;
2031 -- Now, if row_counter is still less than limit, return a row. If
2032 -- not, but it is less than next_pivot_pos, continue on without
2033 -- returning actual result rows until we find
2034 -- that next pivot, and return it.
2036 IF row_counter < result_limit THEN
2037 result_row.browse_entry := rec.id;
2038 result_row.value := rec.value;
2040 RETURN NEXT result_row;
2042 result_row.browse_entry := NULL;
2043 result_row.authorities := NULL;
2044 result_row.fields := NULL;
2045 result_row.value := NULL;
2046 result_row.sources := NULL;
2047 result_row.sees := NULL;
2048 result_row.accurate := NULL;
2049 result_row.aaccurate := NULL;
2050 result_row.pivot_point := rec.id;
2052 IF row_counter >= next_pivot_pos THEN
2053 RETURN NEXT result_row;
2058 IF count_up_from_zero THEN
2059 row_number := row_number + 1;
2061 row_number := row_number - 1;
2064 -- row_counter is different from row_number.
2065 -- It simply counts up from zero so that we know when
2066 -- we've reached our limit.
2067 row_counter := row_counter + 1;
2071 $p$ LANGUAGE PLPGSQL;
2074 CREATE OR REPLACE FUNCTION metabib.browse(
2077 context_org INT DEFAULT NULL,
2078 context_loc_group INT DEFAULT NULL,
2079 staff BOOL DEFAULT FALSE,
2080 pivot_id BIGINT DEFAULT NULL,
2081 result_limit INT DEFAULT 10
2082 ) RETURNS SETOF metabib.flat_browse_entry_appearance AS $p$
2087 pivot_sort_value TEXT;
2088 pivot_sort_fallback TEXT;
2089 context_locations INT[];
2090 browse_superpage_size INT;
2091 results_skipped INT := 0;
2095 forward_to_pivot INT;
2097 -- First, find the pivot if we were given a browse term but not a pivot.
2098 IF pivot_id IS NULL THEN
2099 pivot_id := metabib.browse_pivot(search_field, browse_term);
2102 SELECT INTO pivot_sort_value, pivot_sort_fallback
2103 sort_value, value FROM metabib.browse_entry WHERE id = pivot_id;
2105 -- Bail if we couldn't find a pivot.
2106 IF pivot_sort_value IS NULL THEN
2110 -- Transform the context_loc_group argument (if any) (logc at the
2111 -- TPAC layer) into a form we'll be able to use.
2112 IF context_loc_group IS NOT NULL THEN
2113 SELECT INTO context_locations ARRAY_AGG(location)
2114 FROM asset.copy_location_group_map
2115 WHERE lgroup = context_loc_group;
2118 -- Get the configured size of browse superpages.
2119 SELECT INTO browse_superpage_size value -- NULL ok
2120 FROM config.global_flag
2121 WHERE enabled AND name = 'opac.browse.holdings_visibility_test_limit';
2123 -- First we're going to search backward from the pivot, then we're going
2124 -- to search forward. In each direction, we need two limits. At the
2125 -- lesser of the two limits, we delineate the edge of the result set
2126 -- we're going to return. At the greater of the two limits, we find the
2127 -- pivot value that would represent an offset from the current pivot
2128 -- at a distance of one "page" in either direction, where a "page" is a
2129 -- result set of the size specified in the "result_limit" argument.
2131 -- The two limits in each direction make four derived values in total,
2132 -- and we calculate them now.
2133 back_limit := CEIL(result_limit::FLOAT / 2);
2134 back_to_pivot := result_limit;
2135 forward_limit := result_limit / 2;
2136 forward_to_pivot := result_limit - 1;
2138 -- This is the meat of the SQL query that finds browse entries. We'll
2139 -- pass this to a function which uses it with a cursor, so that individual
2140 -- rows may be fetched in a loop until some condition is satisfied, without
2141 -- waiting for a result set of fixed size to be collected all at once.
2146 FROM metabib.browse_entry mbe
2148 EXISTS ( -- are there any bibs using this mbe via the requested fields?
2150 FROM metabib.browse_entry_def_map mbedm
2151 WHERE mbedm.entry = mbe.id AND mbedm.def = ANY(' || quote_literal(search_field) || ')
2153 ) OR EXISTS ( -- are there any authorities using this mbe via the requested fields?
2155 FROM metabib.browse_entry_simple_heading_map mbeshm
2156 JOIN authority.simple_heading ash ON ( mbeshm.simple_heading = ash.id )
2157 JOIN authority.control_set_auth_field_metabib_field_map_refs map ON (
2158 ash.atag = map.authority_field
2159 AND map.metabib_field = ANY(' || quote_literal(search_field) || ')
2161 WHERE mbeshm.entry = mbe.id
2165 -- This is the variant of the query for browsing backward.
2166 back_query := core_query ||
2167 ' mbe.sort_value <= ' || quote_literal(pivot_sort_value) ||
2168 ' ORDER BY mbe.sort_value DESC, mbe.value DESC ';
2170 -- This variant browses forward.
2171 forward_query := core_query ||
2172 ' mbe.sort_value > ' || quote_literal(pivot_sort_value) ||
2173 ' ORDER BY mbe.sort_value, mbe.value ';
2175 -- We now call the function which applies a cursor to the provided
2176 -- queries, stopping at the appropriate limits and also giving us
2177 -- the next page's pivot.
2179 SELECT * FROM metabib.staged_browse(
2180 back_query, search_field, context_org, context_locations,
2181 staff, browse_superpage_size, TRUE, back_limit, back_to_pivot
2183 SELECT * FROM metabib.staged_browse(
2184 forward_query, search_field, context_org, context_locations,
2185 staff, browse_superpage_size, FALSE, forward_limit, forward_to_pivot
2186 ) ORDER BY row_number DESC;
2189 $p$ LANGUAGE PLPGSQL;
2191 CREATE OR REPLACE FUNCTION metabib.browse(
2194 context_org INT DEFAULT NULL,
2195 context_loc_group INT DEFAULT NULL,
2196 staff BOOL DEFAULT FALSE,
2197 pivot_id BIGINT DEFAULT NULL,
2198 result_limit INT DEFAULT 10
2199 ) RETURNS SETOF metabib.flat_browse_entry_appearance AS $p$
2201 RETURN QUERY SELECT * FROM metabib.browse(
2202 (SELECT COALESCE(ARRAY_AGG(id), ARRAY[]::INT[])
2203 FROM config.metabib_field WHERE field_class = search_class),
2212 $p$ LANGUAGE PLPGSQL;