BEGIN; SELECT evergreen.upgrade_deps_block_check('1080', :eg_version); -- miker/jboyer/gmcharlt CREATE OR REPLACE FUNCTION asset.cache_copy_visibility () RETURNS TRIGGER as $func$ DECLARE ocn asset.call_number%ROWTYPE; ncn asset.call_number%ROWTYPE; cid BIGINT; BEGIN IF TG_TABLE_NAME = 'peer_bib_copy_map' THEN -- Only needs ON INSERT OR DELETE, so handle separately IF TG_OP = 'INSERT' THEN INSERT INTO asset.copy_vis_attr_cache (record, target_copy, vis_attr_vector) VALUES ( NEW.peer_record, NEW.target_copy, asset.calculate_copy_visibility_attribute_set(NEW.target_copy) ); RETURN NEW; ELSIF TG_OP = 'DELETE' THEN DELETE FROM asset.copy_vis_attr_cache WHERE record = OLD.peer_record AND target_copy = OLD.target_copy; RETURN OLD; END IF; END IF; IF TG_OP = 'INSERT' THEN -- Handles ON INSERT. ON UPDATE is below. IF TG_TABLE_NAME IN ('copy', 'unit') THEN SELECT * INTO ncn FROM asset.call_number cn WHERE id = NEW.call_number; INSERT INTO asset.copy_vis_attr_cache (record, target_copy, vis_attr_vector) VALUES ( ncn.record, NEW.id, asset.calculate_copy_visibility_attribute_set(NEW.id) ); ELSIF TG_TABLE_NAME = 'record_entry' THEN NEW.vis_attr_vector := biblio.calculate_bib_visibility_attribute_set(NEW.id); END IF; RETURN NEW; END IF; -- handle items first, since with circulation activity -- their statuses change frequently IF TG_TABLE_NAME IN ('copy', 'unit') THEN -- This handles ON UPDATE OR DELETE. ON INSERT above IF TG_OP = 'DELETE' THEN -- Shouldn't get here, normally DELETE FROM asset.copy_vis_attr_cache WHERE target_copy = OLD.id; RETURN OLD; END IF; SELECT * INTO ncn FROM asset.call_number cn WHERE id = NEW.call_number; IF OLD.deleted <> NEW.deleted THEN IF NEW.deleted THEN DELETE FROM asset.copy_vis_attr_cache WHERE target_copy = OLD.id; ELSE INSERT INTO asset.copy_vis_attr_cache (record, target_copy, vis_attr_vector) VALUES ( ncn.record, NEW.id, asset.calculate_copy_visibility_attribute_set(NEW.id) ); END IF; RETURN NEW; ELSIF OLD.call_number <> NEW.call_number THEN SELECT * INTO ocn FROM asset.call_number cn WHERE id = OLD.call_number; IF ncn.record <> ocn.record THEN UPDATE biblio.record_entry SET vis_attr_vector = biblio.calculate_bib_visibility_attribute_set(ncn.record) WHERE id = ocn.record; -- We have to use a record-specific WHERE clause -- to avoid modifying the entries for peer-bib copies. UPDATE asset.copy_vis_attr_cache SET target_copy = NEW.id, record = ncn.record WHERE target_copy = OLD.id AND record = ocn.record; END IF; END IF; IF OLD.location <> NEW.location OR OLD.status <> NEW.status OR OLD.opac_visible <> NEW.opac_visible OR OLD.circ_lib <> NEW.circ_lib THEN -- Any of these could change visibility, but -- we'll save some queries and not try to calculate -- the change directly. We want to update peer-bib -- entries in this case, unlike above. UPDATE asset.copy_vis_attr_cache SET target_copy = NEW.id, vis_attr_vector = asset.calculate_copy_visibility_attribute_set(NEW.id) WHERE target_copy = OLD.id; END IF; ELSIF TG_TABLE_NAME = 'call_number' THEN -- Only ON UPDATE. Copy handler will deal with ON INSERT OR DELETE. IF OLD.record <> NEW.record THEN IF NEW.label = '##URI##' THEN UPDATE biblio.record_entry SET vis_attr_vector = biblio.calculate_bib_visibility_attribute_set(OLD.record) WHERE id = OLD.record; UPDATE biblio.record_entry SET vis_attr_vector = biblio.calculate_bib_visibility_attribute_set(NEW.record) WHERE id = NEW.record; END IF; UPDATE asset.copy_vis_attr_cache SET record = NEW.record, vis_attr_vector = asset.calculate_copy_visibility_attribute_set(target_copy) WHERE target_copy IN (SELECT id FROM asset.copy WHERE call_number = NEW.id) AND record = OLD.record; ELSIF OLD.owning_lib <> NEW.owning_lib THEN UPDATE asset.copy_vis_attr_cache SET vis_attr_vector = asset.calculate_copy_visibility_attribute_set(target_copy) WHERE target_copy IN (SELECT id FROM asset.copy WHERE call_number = NEW.id) AND record = NEW.record; IF NEW.label = '##URI##' THEN UPDATE biblio.record_entry SET vis_attr_vector = biblio.calculate_bib_visibility_attribute_set(OLD.record) WHERE id = OLD.record; END IF; END IF; ELSIF TG_TABLE_NAME = 'record_entry' THEN -- Only handles ON UPDATE OR DELETE IF TG_OP = 'DELETE' THEN -- Shouldn't get here, normally DELETE FROM asset.copy_vis_attr_cache WHERE record = OLD.id; RETURN OLD; ELSIF OLD.source <> NEW.source THEN NEW.vis_attr_vector := biblio.calculate_bib_visibility_attribute_set(NEW.id); END IF; END IF; RETURN NEW; END; $func$ LANGUAGE PLPGSQL; COMMIT;