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|
PRAGMA WindowNewPipeline;
$data = [
<|a: pgtimestamp('2017-11-27 13:24:00.123454'), b: 1, count: 2|>,
<|a: pgtimestamp('2017-11-27 13:24:00.123455'), b: 1, count: 3|>,
<|a: pgtimestamp('2017-11-27 13:24:00.123456'), b: 1, count: 4|>,
<|a: NULL, b: 1, count: 2|>,
<|a: NULL, b: 1, count: 2|>,
];
$win_result = (
SELECT
COUNT(*) OVER w1 AS actual_count,
count,
FROM
AS_TABLE($data)
WINDOW
w1 AS (
PARTITION COMPACT BY
b
ORDER BY
a ASC
RANGE BETWEEN UNBOUNDED PRECEDING AND pginterval('0.000001 seconds') PRECEDING
)
);
SELECT
Ensure(actual_count, count IS NOT DISTINCT FROM actual_count)
FROM
$win_result
;
|
