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Query speedup

pull/68/head
Konstantin Gründger 2017-12-17 19:02:09 +01:00
rodzic 6097a3b840
commit 0ca501d4a7
1 zmienionych plików z 2 dodań i 1 usunięć
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ogn/collect/takeoff_landing.py
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@ -71,6 +71,7 @@ def update_takeoff_landing(session=None):
AircraftBeacon.altitude, AircraftBeacon.altitude,
func.lag(AircraftBeacon.altitude).over(order_by=wo).label('altitude_prev'), func.lag(AircraftBeacon.altitude).over(order_by=wo).label('altitude_prev'),
func.lead(AircraftBeacon.altitude).over(order_by=wo).label('altitude_next')) \ func.lead(AircraftBeacon.altitude).over(order_by=wo).label('altitude_next')) \
.filter(AircraftBeacon.status == null()) \
.filter(AircraftBeacon.id == beacon_selection.c.id) \ .filter(AircraftBeacon.id == beacon_selection.c.id) \
.subquery() .subquery()
@ -141,4 +142,4 @@ def update_takeoff_landing(session=None):
session.commit() session.commit()
logger.debug("Inserted {} TakeoffLandings, updated {} AircraftBeacons".format(counter, update_aircraft_beacons)) logger.debug("Inserted {} TakeoffLandings, updated {} AircraftBeacons".format(counter, update_aircraft_beacons))
return counter return "Inserted {} TakeoffLandings, updated {} AircraftBeacons".format(counter, update_aircraft_beacons)