--- /dev/null
+BEGIN;
+
+ALTER TYPE metabib.field_entry_template ADD ATTRIBUTE browse_nocase BOOL CASCADE;
+
+ALTER TABLE config.metabib_field ADD COLUMN browse_nocase BOOL NOT NULL DEFAULT FALSE;
+
+CREATE OR REPLACE FUNCTION biblio.extract_metabib_field_entry (
+ rid BIGINT,
+ default_joiner TEXT,
+ field_types TEXT[],
+ only_fields INT[]
+) RETURNS SETOF metabib.field_entry_template AS $func$
+DECLARE
+ bib biblio.record_entry%ROWTYPE;
+ idx config.metabib_field%ROWTYPE;
+ xfrm config.xml_transform%ROWTYPE;
+ prev_xfrm TEXT;
+ transformed_xml TEXT;
+ xml_node TEXT;
+ xml_node_list TEXT[];
+ facet_text TEXT;
+ display_text TEXT;
+ browse_text TEXT;
+ sort_value TEXT;
+ raw_text TEXT;
+ curr_text TEXT;
+ joiner TEXT := default_joiner; -- XXX will index defs supply a joiner?
+ authority_text TEXT;
+ authority_link BIGINT;
+ output_row metabib.field_entry_template%ROWTYPE;
+ process_idx BOOL;
+BEGIN
+
+ -- Start out with no field-use bools set
+ output_row.browse_nocase = FALSE;
+ output_row.browse_field = FALSE;
+ output_row.facet_field = FALSE;
+ output_row.display_field = FALSE;
+ output_row.search_field = FALSE;
+
+ -- Get the record
+ SELECT INTO bib * FROM biblio.record_entry WHERE id = rid;
+
+ -- Loop over the indexing entries
+ FOR idx IN SELECT * FROM config.metabib_field WHERE id = ANY (only_fields) ORDER BY format LOOP
+ CONTINUE WHEN idx.xpath IS NULL OR idx.xpath = ''; -- pure virtual field
+
+ process_idx := FALSE;
+ IF idx.display_field AND 'display' = ANY (field_types) THEN process_idx = TRUE; END IF;
+ IF idx.browse_field AND 'browse' = ANY (field_types) THEN process_idx = TRUE; END IF;
+ IF idx.search_field AND 'search' = ANY (field_types) THEN process_idx = TRUE; END IF;
+ IF idx.facet_field AND 'facet' = ANY (field_types) THEN process_idx = TRUE; END IF;
+ CONTINUE WHEN process_idx = FALSE; -- disabled for all types
+
+ joiner := COALESCE(idx.joiner, default_joiner);
+
+ SELECT INTO xfrm * from config.xml_transform WHERE name = idx.format;
+
+ -- See if we can skip the XSLT ... it's expensive
+ IF prev_xfrm IS NULL OR prev_xfrm <> xfrm.name THEN
+ -- Can't skip the transform
+ IF xfrm.xslt <> '---' THEN
+ transformed_xml := oils_xslt_process(bib.marc,xfrm.xslt);
+ ELSE
+ transformed_xml := bib.marc;
+ END IF;
+
+ prev_xfrm := xfrm.name;
+ END IF;
+
+ xml_node_list := oils_xpath( idx.xpath, transformed_xml, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
+
+ raw_text := NULL;
+ FOR xml_node IN SELECT x FROM unnest(xml_node_list) AS x LOOP
+ CONTINUE WHEN xml_node !~ E'^\\s*<';
+
+ -- XXX much of this should be moved into oils_xpath_string...
+ curr_text := ARRAY_TO_STRING(evergreen.array_remove_item_by_value(evergreen.array_remove_item_by_value(
+ oils_xpath( '//text()', -- get the content of all the nodes within the main selected node
+ REGEXP_REPLACE( xml_node, E'\\s+', ' ', 'g' ) -- Translate adjacent whitespace to a single space
+ ), ' '), ''), -- throw away morally empty (bankrupt?) strings
+ joiner
+ );
+
+ CONTINUE WHEN curr_text IS NULL OR curr_text = '';
+
+ IF raw_text IS NOT NULL THEN
+ raw_text := raw_text || joiner;
+ END IF;
+
+ raw_text := COALESCE(raw_text,'') || curr_text;
+
+ -- autosuggest/metabib.browse_entry
+ IF idx.browse_field THEN
+ output_row.browse_nocase = idx.browse_nocase;
+
+ IF idx.browse_xpath IS NOT NULL AND idx.browse_xpath <> '' THEN
+ browse_text := oils_xpath_string( idx.browse_xpath, xml_node, joiner, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
+ ELSE
+ browse_text := curr_text;
+ END IF;
+
+ IF idx.browse_sort_xpath IS NOT NULL AND
+ idx.browse_sort_xpath <> '' THEN
+
+ sort_value := oils_xpath_string(
+ idx.browse_sort_xpath, xml_node, joiner,
+ ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]
+ );
+ ELSE
+ sort_value := browse_text;
+ END IF;
+
+ output_row.field_class = idx.field_class;
+ output_row.field = idx.id;
+ output_row.source = rid;
+ output_row.value = BTRIM(REGEXP_REPLACE(browse_text, E'\\s+', ' ', 'g'));
+ output_row.sort_value :=
+ public.naco_normalize(sort_value);
+
+ output_row.authority := NULL;
+
+ IF idx.authority_xpath IS NOT NULL AND idx.authority_xpath <> '' THEN
+ authority_text := oils_xpath_string(
+ idx.authority_xpath, xml_node, joiner,
+ ARRAY[
+ ARRAY[xfrm.prefix, xfrm.namespace_uri],
+ ARRAY['xlink','http://www.w3.org/1999/xlink']
+ ]
+ );
+
+ IF authority_text ~ '^\d+$' THEN
+ authority_link := authority_text::BIGINT;
+ PERFORM * FROM authority.record_entry WHERE id = authority_link;
+ IF FOUND THEN
+ output_row.authority := authority_link;
+ END IF;
+ END IF;
+
+ END IF;
+
+ output_row.browse_field = TRUE;
+ -- Returning browse rows with search_field = true for search+browse
+ -- configs allows us to retain granularity of being able to search
+ -- browse fields with "starts with" type operators (for example, for
+ -- titles of songs in music albums)
+ IF idx.search_field THEN
+ output_row.search_field = TRUE;
+ END IF;
+ RETURN NEXT output_row;
+ output_row.browse_nocase = FALSE;
+ output_row.browse_field = FALSE;
+ output_row.search_field = FALSE;
+ output_row.sort_value := NULL;
+ END IF;
+
+ -- insert raw node text for faceting
+ IF idx.facet_field THEN
+
+ IF idx.facet_xpath IS NOT NULL AND idx.facet_xpath <> '' THEN
+ facet_text := oils_xpath_string( idx.facet_xpath, xml_node, joiner, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
+ ELSE
+ facet_text := curr_text;
+ END IF;
+
+ output_row.field_class = idx.field_class;
+ output_row.field = -1 * idx.id;
+ output_row.source = rid;
+ output_row.value = BTRIM(REGEXP_REPLACE(facet_text, E'\\s+', ' ', 'g'));
+
+ output_row.facet_field = TRUE;
+ RETURN NEXT output_row;
+ output_row.facet_field = FALSE;
+ END IF;
+
+ -- insert raw node text for display
+ IF idx.display_field THEN
+
+ IF idx.display_xpath IS NOT NULL AND idx.display_xpath <> '' THEN
+ display_text := oils_xpath_string( idx.display_xpath, xml_node, joiner, ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]] );
+ ELSE
+ display_text := curr_text;
+ END IF;
+
+ output_row.field_class = idx.field_class;
+ output_row.field = -1 * idx.id;
+ output_row.source = rid;
+ output_row.value = BTRIM(REGEXP_REPLACE(display_text, E'\\s+', ' ', 'g'));
+
+ output_row.display_field = TRUE;
+ RETURN NEXT output_row;
+ output_row.display_field = FALSE;
+ END IF;
+
+ END LOOP;
+
+ CONTINUE WHEN raw_text IS NULL OR raw_text = '';
+
+ -- insert combined node text for searching
+ IF idx.search_field THEN
+ output_row.field_class = idx.field_class;
+ output_row.field = idx.id;
+ output_row.source = rid;
+ output_row.value = BTRIM(REGEXP_REPLACE(raw_text, E'\\s+', ' ', 'g'));
+
+ output_row.search_field = TRUE;
+ RETURN NEXT output_row;
+ output_row.search_field = FALSE;
+ END IF;
+
+ END LOOP;
+
+END;
+$func$ LANGUAGE PLPGSQL;
+
+CREATE OR REPLACE FUNCTION metabib.reingest_metabib_field_entries(
+ bib_id BIGINT,
+ skip_facet BOOL DEFAULT FALSE,
+ skip_display BOOL DEFAULT FALSE,
+ skip_browse BOOL DEFAULT FALSE,
+ skip_search BOOL DEFAULT FALSE,
+ only_fields INT[] DEFAULT '{}'::INT[]
+) RETURNS VOID AS $func$
+DECLARE
+ fclass RECORD;
+ ind_data metabib.field_entry_template%ROWTYPE;
+ mbe_row metabib.browse_entry%ROWTYPE;
+ mbe_id BIGINT;
+ b_skip_facet BOOL;
+ b_skip_display BOOL;
+ b_skip_browse BOOL;
+ b_skip_search BOOL;
+ value_prepped TEXT;
+ field_list INT[] := only_fields;
+ field_types TEXT[] := '{}'::TEXT[];
+BEGIN
+
+ IF field_list = '{}'::INT[] THEN
+ SELECT ARRAY_AGG(id) INTO field_list FROM config.metabib_field;
+ END IF;
+
+ 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;
+ SELECT COALESCE(NULLIF(skip_display, FALSE), EXISTS (SELECT enabled FROM config.internal_flag WHERE name = 'ingest.skip_display_indexing' AND enabled)) INTO b_skip_display;
+ 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;
+ 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;
+
+ IF NOT b_skip_facet THEN field_types := field_types || '{facet}'; END IF;
+ IF NOT b_skip_display THEN field_types := field_types || '{display}'; END IF;
+ IF NOT b_skip_browse THEN field_types := field_types || '{browse}'; END IF;
+ IF NOT b_skip_search THEN field_types := field_types || '{search}'; END IF;
+
+ PERFORM * FROM config.internal_flag WHERE name = 'ingest.assume_inserts_only' AND enabled;
+ IF NOT FOUND THEN
+ IF NOT b_skip_search THEN
+ FOR fclass IN SELECT * FROM config.metabib_class LOOP
+ -- RAISE NOTICE 'Emptying out %', fclass.name;
+ EXECUTE $$DELETE FROM metabib.$$ || fclass.name || $$_field_entry WHERE source = $$ || bib_id;
+ END LOOP;
+ END IF;
+ IF NOT b_skip_facet THEN
+ DELETE FROM metabib.facet_entry WHERE source = bib_id;
+ END IF;
+ IF NOT b_skip_display THEN
+ DELETE FROM metabib.display_entry WHERE source = bib_id;
+ END IF;
+ IF NOT b_skip_browse THEN
+ DELETE FROM metabib.browse_entry_def_map WHERE source = bib_id;
+ END IF;
+ END IF;
+
+ FOR ind_data IN SELECT * FROM biblio.extract_metabib_field_entry( bib_id, ' ', field_types, field_list ) LOOP
+
+ -- don't store what has been normalized away
+ CONTINUE WHEN ind_data.value IS NULL;
+
+ IF ind_data.field < 0 THEN
+ ind_data.field = -1 * ind_data.field;
+ END IF;
+
+ IF ind_data.facet_field AND NOT b_skip_facet THEN
+ INSERT INTO metabib.facet_entry (field, source, value)
+ VALUES (ind_data.field, ind_data.source, ind_data.value);
+ END IF;
+
+ IF ind_data.display_field AND NOT b_skip_display THEN
+ INSERT INTO metabib.display_entry (field, source, value)
+ VALUES (ind_data.field, ind_data.source, ind_data.value);
+ END IF;
+
+
+ IF ind_data.browse_field AND NOT b_skip_browse THEN
+ -- A caveat about this SELECT: this should take care of replacing
+ -- old mbe rows when data changes, but not if normalization (by
+ -- which I mean specifically the output of
+ -- evergreen.oils_tsearch2()) changes. It may or may not be
+ -- expensive to add a comparison of index_vector to index_vector
+ -- to the WHERE clause below.
+
+ CONTINUE WHEN ind_data.sort_value IS NULL;
+
+ value_prepped := metabib.browse_normalize(ind_data.value, ind_data.field);
+ IF ind_data.browse_nocase THEN
+ SELECT INTO mbe_row * FROM metabib.browse_entry
+ WHERE evergreen.lowercase(value) = evergreen.lowercase(value_prepped) AND sort_value = ind_data.sort_value
+ ORDER BY sort_value, value LIMIT 1; -- gotta pick something, I guess
+ ELSE
+ SELECT INTO mbe_row * FROM metabib.browse_entry
+ WHERE value = value_prepped AND sort_value = ind_data.sort_value;
+ END IF;
+
+ IF FOUND THEN
+ mbe_id := mbe_row.id;
+ ELSE
+ INSERT INTO metabib.browse_entry
+ ( value, sort_value ) VALUES
+ ( value_prepped, ind_data.sort_value );
+
+ mbe_id := CURRVAL('metabib.browse_entry_id_seq'::REGCLASS);
+ END IF;
+
+ INSERT INTO metabib.browse_entry_def_map (entry, def, source, authority)
+ VALUES (mbe_id, ind_data.field, ind_data.source, ind_data.authority);
+ END IF;
+
+ IF ind_data.search_field AND NOT b_skip_search THEN
+ -- Avoid inserting duplicate rows
+ EXECUTE 'SELECT 1 FROM metabib.' || ind_data.field_class ||
+ '_field_entry WHERE field = $1 AND source = $2 AND value = $3'
+ INTO mbe_id USING ind_data.field, ind_data.source, ind_data.value;
+ -- RAISE NOTICE 'Search for an already matching row returned %', mbe_id;
+ IF mbe_id IS NULL THEN
+ EXECUTE $$
+ INSERT INTO metabib.$$ || ind_data.field_class || $$_field_entry (field, source, value)
+ VALUES ($$ ||
+ quote_literal(ind_data.field) || $$, $$ ||
+ quote_literal(ind_data.source) || $$, $$ ||
+ quote_literal(ind_data.value) ||
+ $$);$$;
+ END IF;
+ END IF;
+
+ END LOOP;
+
+ IF NOT b_skip_search THEN
+ PERFORM metabib.update_combined_index_vectors(bib_id);
+ END IF;
+
+ RETURN;
+END;
+$func$ LANGUAGE PLPGSQL;
+
+COMMIT;
+
projects / evergreen-equinox.git / commitdiff