drop table SysSAPreturnNo;
CREATE TABLE SysSAPreturnNo (
id integer,
processName text,
shiLiH integer,
sapNo text,
chuangJianSJ timestamp,
PRIMARY KEY (id)
)
Distributed by (id);

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