yql/essentials/tests/sql/suites/window/empty/aggregations_leadlag.sql


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

PRAGMA warning("disable", "4520");

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 plato.Input
WINDOW
    w1 as (PARTITION BY key ORDER BY value ROWS BETWEEN 5 PRECEDING AND 10 PRECEDING),
    w2 as (ORDER BY value DESC ROWS BETWEEN 3 FOLLOWING AND 2 FOLLOWING)
ORDER BY value;