我在下面的请求中遇到了问题!
REQUEST:
SELECT COALESCE(date(date_field), 'Total') AS "date_field_group",
COUNT( id_field ) AS "Nombre de bookings",
CONCAT( REPLACE( REPLACE( FORMAT( SUM( price1 ) , 2 ) , ',', ' ' ) , '.', ',' ) , ' €' ) AS "Total à l'achat",
CONCAT( REPLACE( REPLACE( FORMAT( SUM( price2 ) , 2 ) , ',', ' ' ) , '.', ',' ) , ' €' ) AS "Total à la vente",
CONCAT( REPLACE( REPLACE( FORMAT( SUM( price2 ) - SUM( price1 ) , 2 ) , ',', ' ' ) , '.', ',' ) , ' €' ) AS 'Marge',
CONCAT( REPLACE( FORMAT( (SUM( price2 ) / SUM( price1 ) ) , 2 ) , '1.', '' ) , ' ', '%') AS "Markup moyen"
FROM table1 S, table2 B
WHERE status_field
IN ( "1", "5")
AND DATE( date_field ) BETWEEN "2011-08-01" AND "2011-08-31"
AND type_field = "H"
AND price1 IS NOT NULL
AND S.id_field = B.id_field
AND B.id2 = "1"
GROUP BY date_field_group WITH ROLLUP
问题是请求工作正常(正确的数字),但在最后一行我应该进入第一行" Total"而不是我有一个字段NULL ...
有人知道我的请求有什么问题吗? 感谢任何帮助;)。
答案 0 :(得分:1)
你的查询几乎是正确的(除了使用隐式SQL '89连接,这是一种SQL反模式)
问题出在最后一行:GROUP BY ... WITH ROLLUP
在COALESCE(date(date_field), 'Total')
之后,汇总在此过程中很晚
所以coalesce已经完成了累积时间,你需要像这样重写查询:
SELECT COALESCE(date_field_group, 'Total') as date_field_group
, `Nombre de bookings`
, `Total à l'achat`
, `Total à la vente`
, `Marge`
, `Markup moyen`
FROM (
SELECT date(date_field) AS "date_field_group",
COUNT( id_field ) AS "Nombre de bookings",
CONCAT( REPLACE( REPLACE( FORMAT( SUM( price1 ) , 2 ) , ',', ' ' ) , '.', ',' ) , ' €' ) AS "Total à l'achat",
CONCAT( REPLACE( REPLACE( FORMAT( SUM( price2 ) , 2 ) , ',', ' ' ) , '.', ',' ) , ' €' ) AS "Total à la vente",
CONCAT( REPLACE( REPLACE( FORMAT( SUM( price2 ) - SUM( price1 ) , 2 ) , ',', ' ' ) , '.', ',' ) , ' €' ) AS 'Marge',
CONCAT( REPLACE( FORMAT( (SUM( price2 ) / SUM( price1 ) ) , 2 ) , '1.', '' ) , ' ', '%') AS "Markup moyen"
FROM table1 S
INNER JOIN table2 B ON (S.id_field = B.id_field)
WHERE status_field IN ( "1", "5")
AND DATE( date_field ) BETWEEN "2011-08-01" AND "2011-08-31"
AND type_field = "H"
AND price1 IS NOT NULL
AND B.id2 = "1"
GROUP BY date_field_group WITH ROLLUP ) AS subquery