ClickHouse/tests/queries/0_stateless/02884_parallel_window_functions.reference

1
-- { echoOn }

SELECT
    nw,
    sum(WR) AS R,
    sumIf(WR, uniq_rows = 1) AS UNR
FROM
(
    SELECT
        uniq(nw) OVER (PARTITION BY ac) AS uniq_rows,
        AVG(wg) AS WR,
        ac,
        nw
    FROM window_funtion_threading
    GROUP BY ac, nw
)
GROUP BY nw
ORDER BY nw ASC, R DESC
LIMIT 10;
0	2	0
1	2	0
2	2	0
SELECT
    nw,
    sum(WR) AS R,
    sumIf(WR, uniq_rows = 1) AS UNR
FROM
(
    SELECT
        uniq(nw) OVER (PARTITION BY ac) AS uniq_rows,
        AVG(wg) AS WR,
        ac,
        nw
    FROM window_funtion_threading
    GROUP BY ac, nw
)
GROUP BY nw
ORDER BY nw ASC, R DESC
LIMIT 10
SETTINGS max_threads = 1;
0	2	0
1	2	0
2	2	0
SELECT
    nw,
    sum(WR) AS R,
    sumIf(WR, uniq_rows = 1) AS UNR
FROM
(
    SELECT
        uniq(nw) OVER (PARTITION BY ac) AS uniq_rows,
        AVG(wg) AS WR,
        ac,
        nw
    FROM window_funtion_threading
    WHERE (ac % 4) = 0
    GROUP BY
        ac,
        nw
    UNION ALL
    SELECT
        uniq(nw) OVER (PARTITION BY ac) AS uniq_rows,
        AVG(wg) AS WR,
        ac,
        nw
    FROM window_funtion_threading
    WHERE (ac % 4) = 1
    GROUP BY
        ac,
        nw
    UNION ALL
    SELECT
        uniq(nw) OVER (PARTITION BY ac) AS uniq_rows,
        AVG(wg) AS WR,
        ac,
        nw
    FROM window_funtion_threading
    WHERE (ac % 4) = 2
    GROUP BY
        ac,
        nw
    UNION ALL
    SELECT
        uniq(nw) OVER (PARTITION BY ac) AS uniq_rows,
        AVG(wg) AS WR,
        ac,
        nw
    FROM window_funtion_threading
    WHERE (ac % 4) = 3
    GROUP BY
        ac,
        nw
)
GROUP BY nw
ORDER BY nw ASC, R DESC
LIMIT 10;
0	2	0
1	2	0
2	2	0