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/* syntax version 1 */
/* postgres can not */

SELECT
    value,
    SUM(unwrap(cast(subkey as uint32))) over w1 as sum1,
    LEAD(value || value, 3)             over w1 as dvalue_lead1,

    SUM(cast(subkey as uint32))         over w2 as sum2,
    LAG(cast(value as uint32))          over w2 as value_lag2,
FROM (SELECT * FROM plato.Input WHERE key = '1')
WINDOW
    w1 as (PARTITION BY key ORDER BY value ROWS BETWEEN 3 PRECEDING AND 1 PRECEDING),
    w2 as (PARTITION BY key ORDER BY value ROWS BETWEEN CURRENT ROW AND 2 FOLLOWING)
ORDER BY value;