2011-09-15 52 views
0

这是我的SQL:SQL GROUP BY和价值,非唯一值

SELECT * 
FROM (
    SELECT DISTINCT real_dep_date, 
      real_price, 
      resort_name, 
      season_id, 
      min_occ, 
      free_sell, 
      MIN(real_price) OVER (PARTITION BY resort_name,real_dep_date) AS min_price 
    FROM deals_panel_view 
    WHERE ([1pax_disc] = [1pax_disc]) 
    AND (real_dep_date >= season_start) 
    AND (season_name = 'winter 2012') 
    AND (chalet_url <> '') 
    AND (real_price <> 0) 
    AND (real_dep_date <= season_end) 
    AND (combined_chalet = 0) 
    AND (availability_spaces <> 0) 
) deals_panel_view 
WHERE min_price = real_price 

这工作,但发生的事情是,我得到3个结果一定胜地。这是因为有3个小屋完全一样。

我想只显示一个,所以我想我会使用一个限制,但我不知道在哪里。

我正在使用SQL Server 2005.

任何帮助都会很好。

+0

也许这三个小屋都没有确切* *相同。如果他们是,DISTINCT会消除重复。他们可能在某些属性或属性上有所不同(显然,您选择的部分属性)。 –

回答

0

这种尝试......

Select real_dep_date, 
     real_price, 
     resort_name, 
     season_id,    
     min_occ, 
     free_sell, 
     min_price FROM (SELECT ROW_NUMBER() over (PARTITION BY resort_name,real_dep_date ORDER BY resort_name) as ROW,* 
FROM (  
    SELECT DISTINCT real_dep_date, 
      real_price, 
      resort_name, 
      season_id,    
      min_occ, 
      free_sell, 
      MIN(real_price) OVER (PARTITION BY resort_name,real_dep_date) AS min_price  
    FROM deals_panel_view  
    WHERE ([1pax_disc] = [1pax_disc])  
     AND (real_dep_date >= season_start)  
     AND (season_name = 'winter 2012')  
     AND (chalet_url <> '')  
     AND (real_price <> 0)  
     AND (real_dep_date <= season_end)  
     AND (combined_chalet = 0)  
     AND (availability_spaces <> 0) 
    ) deals_panel_view 
    WHERE min_price = real_price 
) Temp 
where Row = 1 
+0

似乎是格式问题 – richard

+0

用于SQL Server的Microsoft OLE DB提供程序错误'80040e14' 'PARTITION'附近的语法错误。 – richard

+0

关键字'BY'附近的语法不正确。我错过了逗号现在得到这个 – richard