postgresql连表更新
update table_p as p set p_name = a.name,p_user = a.user_id,p_type = 'P02' from ( select x.user_id,x.name,x.p_id from table_u x join table_p y on x.p_id = y.p_id ) as a where p.p_id = a.p_id;
update table_p as p set p_name = a.name,p_user = a.user_id,p_type = 'P02' from ( select x.user_id,x.name,x.p_id from table_u x join table_p y on x.p_id = y.p_id ) as a where p.p_id = a.p_id;