BEGIN; SELECT evergreen.upgrade_deps_block_check('0772', :eg_version); INSERT INTO config.internal_flag (name) VALUES ('ingest.metarecord_mapping.preserve_on_delete'); -- defaults to false/off DROP RULE protect_bib_rec_delete ON biblio.record_entry; CREATE RULE protect_bib_rec_delete AS ON DELETE TO biblio.record_entry DO INSTEAD ( UPDATE biblio.record_entry SET deleted = TRUE WHERE OLD.id = biblio.record_entry.id ); -- AFTER UPDATE OR INSERT trigger for biblio.record_entry CREATE OR REPLACE FUNCTION biblio.indexing_ingest_or_delete () RETURNS TRIGGER AS $func$ DECLARE transformed_xml TEXT; prev_xfrm TEXT; normalizer RECORD; xfrm config.xml_transform%ROWTYPE; attr_value TEXT; new_attrs HSTORE := ''::HSTORE; attr_def config.record_attr_definition%ROWTYPE; BEGIN IF NEW.deleted IS TRUE THEN -- If this bib is deleted PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.preserve_on_delete' AND enabled; IF NOT FOUND THEN -- One needs to keep these around to support searches -- with the #deleted modifier, so one should turn on the named -- internal flag for that functionality. DELETE FROM metabib.metarecord_source_map WHERE source = NEW.id; DELETE FROM metabib.record_attr WHERE id = NEW.id; END IF; DELETE FROM authority.bib_linking WHERE bib = NEW.id; -- Avoid updating fields in bibs that are no longer visible DELETE FROM biblio.peer_bib_copy_map WHERE peer_record = NEW.id; -- Separate any multi-homed items DELETE FROM metabib.browse_entry_def_map WHERE source = NEW.id; -- Don't auto-suggest deleted bibs RETURN NEW; -- and we're done END IF; IF TG_OP = 'UPDATE' THEN -- re-ingest? PERFORM * FROM config.internal_flag WHERE name = 'ingest.reingest.force_on_same_marc' AND enabled; IF NOT FOUND AND OLD.marc = NEW.marc THEN -- don't do anything if the MARC didn't change RETURN NEW; END IF; END IF; -- Record authority linking PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_authority_linking' AND enabled; IF NOT FOUND THEN PERFORM biblio.map_authority_linking( NEW.id, NEW.marc ); END IF; -- Flatten and insert the mfr data PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_full_rec' AND enabled; IF NOT FOUND THEN PERFORM metabib.reingest_metabib_full_rec(NEW.id); -- Now we pull out attribute data, which is dependent on the mfr for all but XPath-based fields PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_metabib_rec_descriptor' AND enabled; IF NOT FOUND THEN FOR attr_def IN SELECT * FROM config.record_attr_definition ORDER BY format LOOP IF attr_def.tag IS NOT NULL THEN -- tag (and optional subfield list) selection SELECT ARRAY_TO_STRING(ARRAY_ACCUM(value), COALESCE(attr_def.joiner,' ')) INTO attr_value FROM (SELECT * FROM metabib.full_rec ORDER BY tag, subfield) AS x WHERE record = NEW.id AND tag LIKE attr_def.tag AND CASE WHEN attr_def.sf_list IS NOT NULL THEN POSITION(subfield IN attr_def.sf_list) > 0 ELSE TRUE END GROUP BY tag ORDER BY tag LIMIT 1; ELSIF attr_def.fixed_field IS NOT NULL THEN -- a named fixed field, see config.marc21_ff_pos_map.fixed_field attr_value := biblio.marc21_extract_fixed_field(NEW.id, attr_def.fixed_field); ELSIF attr_def.xpath IS NOT NULL THEN -- and xpath expression SELECT INTO xfrm * FROM config.xml_transform WHERE name = attr_def.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(NEW.marc,xfrm.xslt); ELSE transformed_xml := NEW.marc; END IF; prev_xfrm := xfrm.name; END IF; IF xfrm.name IS NULL THEN -- just grab the marcxml (empty) transform SELECT INTO xfrm * FROM config.xml_transform WHERE xslt = '---' LIMIT 1; prev_xfrm := xfrm.name; END IF; attr_value := oils_xpath_string(attr_def.xpath, transformed_xml, COALESCE(attr_def.joiner,' '), ARRAY[ARRAY[xfrm.prefix, xfrm.namespace_uri]]); ELSIF attr_def.phys_char_sf IS NOT NULL THEN -- a named Physical Characteristic, see config.marc21_physical_characteristic_*_map SELECT m.value INTO attr_value FROM biblio.marc21_physical_characteristics(NEW.id) v JOIN config.marc21_physical_characteristic_value_map m ON (m.id = v.value) WHERE v.subfield = attr_def.phys_char_sf LIMIT 1; -- Just in case ... END IF; -- apply index normalizers to attr_value FOR normalizer IN SELECT n.func AS func, n.param_count AS param_count, m.params AS params FROM config.index_normalizer n JOIN config.record_attr_index_norm_map m ON (m.norm = n.id) WHERE attr = attr_def.name ORDER BY m.pos LOOP EXECUTE 'SELECT ' || normalizer.func || '(' || COALESCE( quote_literal( attr_value ), 'NULL' ) || CASE WHEN normalizer.param_count > 0 THEN ',' || REPLACE(REPLACE(BTRIM(normalizer.params,'[]'),E'\'',E'\\\''),E'"',E'\'') ELSE '' END || ')' INTO attr_value; END LOOP; -- Add the new value to the hstore new_attrs := new_attrs || hstore( attr_def.name, attr_value ); END LOOP; IF TG_OP = 'INSERT' OR OLD.deleted THEN -- initial insert OR revivication INSERT INTO metabib.record_attr (id, attrs) VALUES (NEW.id, new_attrs); ELSE UPDATE metabib.record_attr SET attrs = new_attrs WHERE id = NEW.id; END IF; END IF; END IF; -- Gather and insert the field entry data PERFORM metabib.reingest_metabib_field_entries(NEW.id); -- Located URI magic IF TG_OP = 'INSERT' THEN PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled; IF NOT FOUND THEN PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor ); END IF; ELSE PERFORM * FROM config.internal_flag WHERE name = 'ingest.disable_located_uri' AND enabled; IF NOT FOUND THEN PERFORM biblio.extract_located_uris( NEW.id, NEW.marc, NEW.editor ); END IF; END IF; -- (re)map metarecord-bib linking IF TG_OP = 'INSERT' THEN -- if not deleted and performing an insert, check for the flag PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_insert' AND enabled; IF NOT FOUND THEN PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint ); END IF; ELSE -- we're doing an update, and we're not deleted, remap PERFORM * FROM config.internal_flag WHERE name = 'ingest.metarecord_mapping.skip_on_update' AND enabled; IF NOT FOUND THEN PERFORM metabib.remap_metarecord_for_bib( NEW.id, NEW.fingerprint ); END IF; END IF; RETURN NEW; END; $func$ LANGUAGE PLPGSQL; COMMIT;