3 SELECT evergreen.upgrade_deps_block_check('1195', :eg_version);
5 CREATE OR REPLACE FUNCTION metabib.suggest_browse_entries(raw_query_text text, search_class text, headline_opts text, visibility_org integer, query_limit integer, normalization integer)
6 RETURNS TABLE(value text, field integer, buoyant_and_class_match boolean, field_match boolean, field_weight integer, rank real, buoyant boolean, match text)
9 prepared_query_texts TEXT[];
12 opac_visibility_join TEXT;
13 search_class_join TEXT;
17 prepared_query_texts := metabib.autosuggest_prepare_tsquery(raw_query_text);
19 query := TO_TSQUERY('keyword', prepared_query_texts[1]);
20 plain_query := TO_TSQUERY('keyword', prepared_query_texts[2]);
22 visibility_org := NULLIF(visibility_org,-1);
23 IF visibility_org IS NOT NULL THEN
24 PERFORM FROM actor.org_unit WHERE id = visibility_org AND parent_ou IS NULL;
26 opac_visibility_join := '';
28 PERFORM 1 FROM config.internal_flag WHERE enabled AND name = 'opac.located_uri.act_as_copy';
30 b_tests := search.calculate_visibility_attribute_test(
32 (SELECT ARRAY_AGG(id) FROM actor.org_unit_full_path(visibility_org))
35 b_tests := search.calculate_visibility_attribute_test(
37 (SELECT ARRAY_AGG(id) FROM actor.org_unit_ancestors(visibility_org))
40 opac_visibility_join := '
41 LEFT JOIN asset.copy_vis_attr_cache acvac ON (acvac.record = x.source)
42 LEFT JOIN biblio.record_entry b ON (b.id = x.source)
43 JOIN vm ON (acvac.vis_attr_vector @@
44 (vm.c_attrs || $$&$$ ||
45 search.calculate_visibility_attribute_test(
47 (SELECT ARRAY_AGG(id) FROM actor.org_unit_descendants($4))
50 ) OR (b.vis_attr_vector @@ $$' || b_tests || '$$::query_int)
54 opac_visibility_join := '';
57 -- The following determines whether we only provide suggestsons matching
58 -- the user's selected search_class, or whether we show other suggestions
59 -- too. The reason for MIN() is that for search_classes like
60 -- 'title|proper|uniform' you would otherwise get multiple rows. The
61 -- implication is that if title as a class doesn't have restrict,
62 -- nor does the proper field, but the uniform field does, you're going
63 -- to get 'false' for your overall evaluation of 'should we restrict?'
64 -- To invert that, change from MIN() to MAX().
68 MIN(cmc.restrict::INT) AS restrict_class,
69 MIN(cmf.restrict::INT) AS restrict_field
70 FROM metabib.search_class_to_registered_components(search_class)
71 AS _registered (field_class TEXT, field INT)
73 config.metabib_class cmc ON (cmc.name = _registered.field_class)
75 config.metabib_field cmf ON (cmf.id = _registered.field);
77 -- evaluate 'should we restrict?'
78 IF r_fields.restrict_field::BOOL OR r_fields.restrict_class::BOOL THEN
79 search_class_join := '
81 metabib.search_class_to_registered_components($2)
82 AS _registered (field_class TEXT, field INT) ON (
83 (_registered.field IS NULL AND
84 _registered.field_class = cmf.field_class) OR
85 (_registered.field = cmf.id)
89 search_class_join := '
91 metabib.search_class_to_registered_components($2)
92 AS _registered (field_class TEXT, field INT) ON (
93 _registered.field_class = cmc.name
98 RETURN QUERY EXECUTE '
99 WITH vm AS ( SELECT * FROM asset.patron_default_visibility_mask() ),
100 mbe AS (SELECT * FROM metabib.browse_entry WHERE index_vector @@ $1 LIMIT 10000)
109 TS_HEADLINE(value, $7, $3)
110 FROM (SELECT DISTINCT
113 cmc.buoyant AND _registered.field_class IS NOT NULL AS push,
114 _registered.field = cmf.id AS restrict,
116 TS_RANK_CD(mbe.index_vector, $1, $6),
119 FROM metabib.browse_entry_def_map mbedm
120 JOIN mbe ON (mbe.id = mbedm.entry)
121 JOIN config.metabib_field cmf ON (cmf.id = mbedm.def)
122 JOIN config.metabib_class cmc ON (cmf.field_class = cmc.name)
123 ' || search_class_join || '
124 ORDER BY 3 DESC, 4 DESC NULLS LAST, 5 DESC, 6 DESC, 7 DESC, 1 ASC
126 ' || opac_visibility_join || '
127 ORDER BY 3 DESC, 4 DESC NULLS LAST, 5 DESC, 6 DESC, 7 DESC, 1 ASC
129 ' -- sic, repeat the order by clause in the outer select too
131 query, search_class, headline_opts,
132 visibility_org, query_limit, normalization, plain_query
136 -- buoyant AND chosen class = match class
137 -- chosen field = match field
144 $f$ LANGUAGE plpgsql ROWS 10;