BEGIN; INSERT INTO config.upgrade_log (version) VALUES ('0787'); CREATE OR REPLACE FUNCTION authority.normalize_heading( marcxml TEXT, no_thesaurus BOOL ) RETURNS TEXT AS $func$ DECLARE acsaf authority.control_set_authority_field%ROWTYPE; tag_used TEXT; nfi_used TEXT; sf TEXT; thes_code TEXT; cset INT; heading_text TEXT; tmp_text TEXT; first_sf BOOL; auth_id INT DEFAULT COALESCE(NULLIF(oils_xpath_string('//*[@tag="901"]/*[local-name()="subfield" and @code="c"]', marcxml), ''), '0')::INT; BEGIN SELECT control_set INTO cset FROM authority.record_entry WHERE id = auth_id; IF cset IS NULL THEN SELECT control_set INTO cset FROM authority.control_set_authority_field WHERE tag IN ( SELECT UNNEST(XPATH('//*[starts-with(@tag,"1")]/@tag',marcxml::XML)::TEXT[])) LIMIT 1; END IF; thes_code := vandelay.marc21_extract_fixed_field(marcxml,'Subj'); IF thes_code IS NULL THEN thes_code := '|'; ELSIF thes_code = 'z' THEN thes_code := COALESCE( oils_xpath_string('//*[@tag="040"]/*[@code="f"][1]', marcxml), '' ); END IF; heading_text := ''; FOR acsaf IN SELECT * FROM authority.control_set_authority_field WHERE control_set = cset AND main_entry IS NULL LOOP tag_used := acsaf.tag; nfi_used := acsaf.nfi; first_sf := TRUE; FOR sf IN SELECT * FROM regexp_split_to_table(acsaf.sf_list,'') LOOP tmp_text := oils_xpath_string('//*[@tag="'||tag_used||'"]/*[@code="'||sf||'"]', marcxml); IF first_sf AND tmp_text IS NOT NULL AND nfi_used IS NOT NULL THEN tmp_text := SUBSTRING( tmp_text FROM COALESCE( NULLIF( REGEXP_REPLACE( oils_xpath_string('//*[@tag="'||tag_used||'"]/@ind'||nfi_used, marcxml), $$\D+$$, '', 'g' ), '' )::INT, 0 ) + 1 ); END IF; first_sf := FALSE; IF tmp_text IS NOT NULL AND tmp_text <> '' THEN heading_text := heading_text || E'\u2021' || sf || ' ' || tmp_text; END IF; END LOOP; EXIT WHEN heading_text <> ''; END LOOP; IF heading_text <> '' THEN IF no_thesaurus IS TRUE THEN heading_text := tag_used || ' ' || public.naco_normalize(heading_text); ELSE heading_text := tag_used || '_' || COALESCE(nfi_used,'-') || '_' || thes_code || ' ' || public.naco_normalize(heading_text); END IF; ELSE heading_text := 'NOHEADING_' || thes_code || ' ' || MD5(marcxml); END IF; RETURN heading_text; END; $func$ LANGUAGE PLPGSQL IMMUTABLE; COMMIT;