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/* syntax version 1 */
/* postgres can not */
SELECT
user,
ts,
SessionStart() over w1 as ss1,
SessionStart() over w as ss,
AGGREGATE_LIST(ts) over w as ts_session,
COUNT(1) over w as session_len,
FROM plato.Input
WINDOW w AS (
PARTITION BY user, SessionWindow(ts, 10) as ss0
ORDER BY ts
ROWS BETWEEN 10 PRECEDING AND 10 FOLLOWING
),
w1 AS (
PARTITION BY SessionWindow(ts, 10), user
ORDER BY ts
ROWS BETWEEN 100 PRECEDING AND 100 FOLLOWING
)
ORDER BY user, ts;
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