我有以下查询:
SELECT f.flight_number, f.flight_date, f.airport, a.iata, a.iso3166 AS airport_country_code, air.icao
FROM flights_database f
LEFT JOIN airlines air ON air.name = f.airline
JOIN airports a ON f.airport = a.airportNameClean
WHERE f.flight_date
BETWEEN DATE_SUB(CURDATE(), INTERVAL 1 DAY) AND DATE_ADD(CURDATE() , INTERVAL 1 DAY)
GROUP by f.flight_date, f.airport, f.flight_number, a.iata
ORDER by f.airport, f.flight_number
现在我已经升级了 MySQL 并且only_full_group_by setting
被激活了。此查询不再以这种形式工作:
Expression #6 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'air.ICAO' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
当然,我可以禁用此设置,但我知道引入此设置是有原因的。简单地添加icao
到GROUP BY
子句会引入不同的结果。
如何在启用此设置的情况下重写此查询以实现相同的行为?