SELECT util.search_path_append('util');

SELECT create_if_not_exists($$ALTER TABLE $$||:table_str||$$ ADD PRIMARY KEY ("eventID")$$); -- runtime: ~0 @starscream

SELECT create_if_not_exists($$CREATE INDEX $$||:table_str||%'_parent'||$$ ON $$||:table_str||$$ ("locationID")$$); -- runtime: ~0 @starscream