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WITH rapports_valides AS (
SELECT
id,
location,
start_time,
end_time,
latitude,
longitude
FROM napoleon_data.public_reports
WHERE location IS NOT NULL
AND start_time IS NOT NULL
AND end_time IS NOT NULL
AND latitude IS NOT NULL
AND longitude IS NOT NULL
),
rapports_ordonnes AS (
SELECT
id,
location,
start_time,
end_time,
latitude,
longitude,
LAG(id) OVER (ORDER BY start_time) AS pid,
LAG(location) OVER (ORDER BY start_time) AS ploc,
LAG(start_time) OVER (ORDER BY start_time) AS pstart,
LAG(end_time) OVER (ORDER BY start_time) AS pend,
LAG(latitude) OVER (ORDER BY start_time) AS plat,
LAG(longitude) OVER (ORDER BY start_time) AS plong
FROM rapports_valides
),
diffrapports AS (
SELECT
id,
location,
start_time,
end_time,
latitude,
longitude,
pid,
ploc,
pstart,
pend,
plat,
plong,
extract(EPOCH from (start_time - pend)) AS tdiff,
(6371 * ACOS(
COS(RADIANS(latitude)) * COS(RADIANS(plat))
* COS(RADIANS(plong) - RADIANS(longitude))
+ SIN(RADIANS(latitude)) * SIN(RADIANS(plat))
)) AS d
FROM rapports_ordonnes
),
analyse_rapports AS (
SELECT
id,
location,
start_time,
end_time,
latitude,
longitude,
pid,
ploc,
pstart,
pend,
plat,
plong,
tdiff,
d,
CASE
WHEN start_time < pend THEN 'overlapping_timeframes'
WHEN tdiff < 7200 AND d > 500 THEN 'moving_fast'
WHEN extract(EPOCH from (end_time - start_time)) > 86400 THEN 'long_duration'
WHEN d IS NULL OR tdiff IS NULL THEN 'missing_data'
WHEN d > 500 THEN 'long_distance'
ELSE 'clear'
END AS issue
FROM diffrapports
)
SELECT
tdiff AS time_difference,
d AS distance,
issue
FROM analyse_rapports
ORDER BY start_time
|
