Query Your Face

gistfile1.txt

SELECT
  IFNULL(SUM(duration), 0) AS duration,
  IFNULL(SUM(landingsDay), 0) AS landingsDay,
  IFNULL(SUM(landingsNight), 0) AS landingsNight
FROM (
  SELECT
    flight.id,
    MAX(duration) AS duration,
    MAX(landingsDay) AS landingsDay,
    MAX(landingsNight) AS landingsNight
  FROM flight
    LEFT JOIN aircraft ON flight.aircraftId = aircraft.id
    LEFT JOIN aircraftCategory ON aircraftCategory.id = aircraft.aircraftCategoryId
    LEFT JOIN value ON value.flightId = flight.id OR value.aircraftId = flight.aircraftId
    LEFT JOIN field ON field.id = value.fieldId
  WHERE
    flight.trashed = 0
  GROUP BY
    flight.id
  HAVING
    1 = 1 AND MAX(CASE WHEN field.id = "Day" THEN value.time > 0 OR value.boolean = 1 END) > 0
)