drop table TKeHu;
CREATE TABLE TKeHu (
keHuID text,
keHuCode text,
keHuMC text,
xinBaoED numeric(18,0),
diQu text,
PRIMARY KEY (keHuID)
)
Distributed by (keHuID);

alter table TKeHu add column hashResult text;
alter table TKeHu add column rowNum serial;
