drop table transformNewNode;
CREATE TABLE transformNewNode (
task_id   integer,
id   integer,
task_no   text,
vehicle_no  text,
last_commit_time timestamp,
first_node  integer,
second_node  integer,
vehicle_type  text,
driver   text,
driver_phone  text,
location  text,
exception_comment text,
comit_type  integer,
exception_type  integer,
exception_picture text,
is_valid  integer,
lon   numeric(9,6),
lat   numeric(9,6),
created_user_id  integer,
created_time  timestamp,
modified_user_id integer,
modified_time  timestamp ,
PRIMARY KEY (id)
)
Distributed by (id);

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