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Call the H3 point-to-cell function by the name MobilityDB declares #63

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Merged
estebanzimanyi merged 1 commit into from
Sep 13, 2026
Merged

Call the H3 point-to-cell function by the name MobilityDB declares #63

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14 changes: 7 additions & 7 deletions BerlinMOD/benchmarks/batch/bench/queries.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -85,10 +85,10 @@ ORDER BY v.VehicleId, i.instantId;
-- a point-geometry intersection at any H3 resolution — a trip can only
-- intersect a point if it ever passes through the point's cell.
--
-- COALESCE(eEq(geoToH3Cell(p.geom, 7), t.trip_h3), TRUE)
-- COALESCE(eEq(latLngToCell(p.geom, 7), t.trip_h3), TRUE)
--
-- The COALESCE guards against non-POINT geometries (geoToH3Cell returns
-- NULL for those) — falls through to the exact eIntersects.
-- The COALESCE lets a row whose cell is NULL fall through to the exact
-- eIntersects.
--
-- MobilityDB operator equivalent: t.trip && p.geom (ever-intersects shorthand)
-- On PostgreSQL the GiST index on Trips(trip_h3) accelerates the prefilter;
Expand All @@ -98,7 +98,7 @@ SELECT DISTINCT v.licence
FROM Vehicles v
JOIN Trips t ON t.VehicleId = v.VehicleId
JOIN Points p ON
COALESCE(eEq(geoToH3Cell(p.geom, 7), t.trip_h3), TRUE)
COALESCE(eEq(latLngToCell(p.geom, 7), t.trip_h3), TRUE)
AND eIntersects(t.trip, p.geom)
ORDER BY v.licence;

Expand Down Expand Up @@ -298,7 +298,7 @@ ORDER BY licence1, car2Id;
WITH Temp AS (
SELECT p.pointId, p.geom, p.geomWKT, i.instantId, i.instant, t.VehicleId
FROM Trips t, Points p, Instants i
WHERE COALESCE(eEq(geoToH3Cell(p.geom, 7), t.trip_h3), TRUE)
WHERE COALESCE(eEq(latLngToCell(p.geom, 7), t.trip_h3), TRUE)
AND valueAtTimestamp(t.trip, i.instant) = p.geom
)
SELECT t.pointId, t.geomWKT AS geom, t.instantId, t.instant, v.licence
Expand All @@ -321,7 +321,7 @@ ORDER BY t.pointId, t.instantId, v.licence;
WITH Temp AS (
SELECT DISTINCT p.pointId, p.geom, p.geomWKT, i.instantId, i.instant, t.VehicleId
FROM Trips t, Points p, Instants i
WHERE COALESCE(eEq(geoToH3Cell(p.geom, 7), t.trip_h3), TRUE)
WHERE COALESCE(eEq(latLngToCell(p.geom, 7), t.trip_h3), TRUE)
AND valueAtTimestamp(t.trip, i.instant) = p.geom
)
SELECT DISTINCT t1.pointId, t1.geomWKT AS geom,
Expand Down Expand Up @@ -408,7 +408,7 @@ WITH Temp AS (
SELECT DISTINCT pt.pointId, pt.geom, pt.geomWKT, pr.periodId, pr.period, t.VehicleId
FROM Trips t, Points pt, Periods pr
WHERE pt.pointId <= 10 AND pr.periodId <= 10
AND COALESCE(eEq(geoToH3Cell(pt.geom, 7), t.trip_h3), TRUE)
AND COALESCE(eEq(latLngToCell(pt.geom, 7), t.trip_h3), TRUE)
AND eIntersects(atTime(t.trip, pr.period), pt.geom)
)
SELECT DISTINCT t.pointId, t.geomWKT AS geom, t.periodId, t.period, v.licence
Expand Down
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