keshanPolygon performance 3
Updated 2022-07-24
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SELECT
hour,
avg(timediff) as "Average Time difference",
COUNT(block_number) as "Number of blocks",
avg(moving_average) as "Rolling average time difference"
FROM
(SELECT
date_trunc(hour, block_timestamp) as hour,
timediff,
block_number,
avg(timediff) OVER(ORDER BY block_timestamp
ROWS BETWEEN 100 PRECEDING AND CURRENT ROW )
as moving_average
FROM
(SELECT
block_number,
block_timestamp,
lag(block_timestamp, 1) OVER (ORDER BY block_timestamp) AS prev_time,
timediff('second', prev_time, block_timestamp) AS timediff
FROM polygon.core.fact_blocks
ORDER BY block_number)
WHERE prev_time is not null)
group by hour
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