Question

我的客户MySql 5有以下的问询,但我的客户MySql 4.1.15有这样的错误:

#1140 - Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause

提升客户MySql版本并不是一种选择W。难道有人会帮助我重新做这项工作,以了解MySql的旧版本?

SELECT 
   Sum( room_rev + room_rev_future ) as weekly_room_rev, 
   Sum( (`food_rev`) + (`beverage_rev`)) as weekly_catering_rev,
   (SELECT min_sales_persons 
   FROM bdp_hotel_min WHERE 
   bdp_hotel_min.hotel_num = bdp_scorecard.hotel_num 
   AND UNIX_TIMESTAMP(bdp_hotel_min.`min_override_week`) 
   < UNIX_TIMESTAMP("2011-12-02 23:59:59") 
   ORDER BY bdp_hotel_min.`min_override_week` DESC LIMIT 1 ) as override_persons,
   min_sales_persons 
FROM bdp_scorecard JOIN locations ON bdp_scorecard.hotel_num = locations.hotel_num 
WHERE bdp_scorecard.hotel_num =837 AND bdp_scorecard.hotel_num = 837 
AND UNIX_TIMESTAMP(bdp_scorecard.`created_date`) >= UNIX_TIMESTAMP("2011-11-26") 
AND UNIX_TIMESTAMP(bdp_scorecard.`created_date`) < UNIX_TIMESTAMP("2011-12-02 23:59:59")

Answer 1

鉴于错误,似乎需要一个小组进行测试。

SELECT 
   Sum( room_rev + room_rev_future ) as weekly_room_rev, 
   Sum( (`food_rev`) + (`beverage_rev`)) as weekly_catering_rev,
   (SELECT min_sales_persons 
   FROM bdp_hotel_min WHERE 
   bdp_hotel_min.hotel_num = bdp_scorecard.hotel_num 
   AND UNIX_TIMESTAMP(bdp_hotel_min.`min_override_week`) 
   < UNIX_TIMESTAMP("2011-12-02 23:59:59") 
   ORDER BY bdp_hotel_min.`min_override_week` DESC LIMIT 1 ) as override_persons,
   min_sales_persons 
FROM bdp_scorecard JOIN locations ON bdp_scorecard.hotel_num = locations.hotel_num 
WHERE bdp_scorecard.hotel_num =837 AND bdp_scorecard.hotel_num = 837 
AND UNIX_TIMESTAMP(bdp_scorecard.`created_date`) >= UNIX_TIMESTAMP("2011-11-26") 
AND UNIX_TIMESTAMP(bdp_scorecard.`created_date`) < UNIX_TIMESTAMP("2011-12-02 23:59:59")
GROUP BY override_persons, min_sales_persons

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