Seleccione el valor de la fila anterior en PostgreSQL
-- use LAG(column_name, lag) OVER (PARTITION BY x ORDER BY y)
select
id,
version,
start_date,
lag(dss_end_date, 1) over (partition by id order by version) as previous_row_end_date
end_date
from
table
order by
id,
version;
Confused Centipede