BEGIN; INSERT INTO config.upgrade_log (version) VALUES ('0337'); -- dbs CREATE OR REPLACE FUNCTION asset.merge_record_assets( target_record BIGINT, source_record BIGINT ) RETURNS INT AS $func$ DECLARE moved_objects INT := 0; source_cn asset.call_number%ROWTYPE; target_cn asset.call_number%ROWTYPE; metarec metabib.metarecord%ROWTYPE; hold action.hold_request%ROWTYPE; ser_rec serial.record_entry%ROWTYPE; auth_link authority.bib_linking%ROWTYPE; uri_count INT := 0; counter INT := 0; uri_datafield TEXT; uri_text TEXT := ''; BEGIN -- move any 856 entries on records that have at least one MARC-mapped URI entry SELECT INTO uri_count COUNT(*) FROM asset.uri_call_number_map m JOIN asset.call_number cn ON (m.call_number = cn.id) WHERE cn.record = source_record; IF uri_count > 0 THEN SELECT COUNT(*) INTO counter FROM oils_xpath_table( 'id', 'marc', 'biblio.record_entry', '//*[@tag="856"]', 'id=' || lineitem ) as t(i int,c text); FOR i IN 1 .. counter LOOP SELECT '' || array_to_string( array_accum( '' || regexp_replace( regexp_replace( regexp_replace(data,'&','&','g'), '>', '>', 'g' ), '<', '<', 'g' ) || '' ), '' ) || '' INTO uri_datafield FROM oils_xpath_table( 'id', 'marc', 'biblio.record_entry', '//*[@tag="856"][position()=' || i || ']/*/@code|' || '//*[@tag="856"][position()=' || i || ']/*[@code]', 'id=' || source_record ) as t(id int,subfield text,data text); uri_text := uri_text || uri_datafield; END LOOP; IF uri_text <> '' THEN UPDATE biblio.record_entry SET marc = regexp_replace(marc,'(]*record>)', uri_text || E'\\1') WHERE id = target_record; END IF; END IF; -- Find and move metarecords to the target record SELECT INTO metarec * FROM metabib.metarecord WHERE master_record = source_record; IF FOUND THEN UPDATE metabib.metarecord SET master_record = target_record, mods = NULL WHERE id = metarec.id; moved_objects := moved_objects + 1; END IF; -- Find call numbers attached to the source ... FOR source_cn IN SELECT * FROM asset.call_number WHERE record = source_record LOOP SELECT INTO target_cn * FROM asset.call_number WHERE label = source_cn.label AND owning_lib = source_cn.owning_lib AND record = target_record; -- ... and if there's a conflicting one on the target ... IF FOUND THEN -- ... move the copies to that, and ... UPDATE asset.copy SET call_number = target_cn.id WHERE call_number = source_cn.id; -- ... move V holds to the move-target call number FOR hold IN SELECT * FROM action.hold_request WHERE target = source_cn.id AND hold_type = 'V' LOOP UPDATE action.hold_request SET target = target_cn.id WHERE id = hold.id; moved_objects := moved_objects + 1; END LOOP; -- ... if not ... ELSE -- ... just move the call number to the target record UPDATE asset.call_number SET record = target_record WHERE id = source_cn.id; END IF; moved_objects := moved_objects + 1; END LOOP; -- Find T holds targeting the source record ... FOR hold IN SELECT * FROM action.hold_request WHERE target = source_record AND hold_type = 'T' LOOP -- ... and move them to the target record UPDATE action.hold_request SET target = target_record WHERE id = hold.id; moved_objects := moved_objects + 1; END LOOP; -- Find serial records targeting the source record ... FOR ser_rec IN SELECT * FROM serial.record_entry WHERE record = source_record LOOP -- ... and move them to the target record UPDATE serial.record_entry SET record = target_record WHERE id = ser_rec.id; moved_objects := moved_objects + 1; END LOOP; -- Delete authority->bib links to the source record to avoid -- the overhead of updating controlled fields in deleted records FOR auth_link IN SELECT * FROM authority.bib_linking WHERE bib = source_record LOOP DELETE FROM authority.bib_linking WHERE id = auth_link.id; moved_objects := moved_objects + 1; END LOOP; -- Finally, "delete" the source record DELETE FROM biblio.record_entry WHERE id = source_record; -- That's all, folks! RETURN moved_objects; END; $func$ LANGUAGE plpgsql; COMMIT;