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选择查询中的内部联接计数

[英]Inner join with count in select query

 原文  2019-01-23 16:50:49  6   1    sql/ sql-server/ tsql/ sql-server-2012

问题描述

I am trying to get the query for details along with the status if the particular column exists for that report using the below query. 我正在尝试使用以下查询来获取有关详细信息以及状态的查询，如果该报告存在特定的列。 

select rh.Rec_ID 
   ,rh.Report_ID 
   ,rh.Report_Name 
   ,rh.Source_Type_Display 
   ,rh.Description 
   ,rh.IndID 
   ,rh.Name 
   ,rh.Time_Updated 
   ,count(*) OVER() as TotalCount
   ,case when count(rd.demo) > 0 THEN 'Completed' ELSE 'incomplete' END
  FROM v_Report_Header_OV rh 
  inner join v_Table_NI_Report_Demo rd
  ON rh.Report_ID = rd.Report_ID
  WHERE rh.Client_ID = 12324

I am getting below error 我低于错误

Column 'v_Report_Header_OV.Rec_ID' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.

I am not sure why i am getting error, Could any one please help on this 我不确定为什么会出错，请问有人可以帮忙吗

Many thanks in advance. 提前谢谢了。

1 个解决方案

解决方案1
 3 已采纳  2019-01-23 16:53:59

you missed group by 您错过了group by 

select rh.Rec_ID 
   ,rh.Report_ID 
   ,rh.Report_Name 
   ,rh.Source_Type_Display 
   ,rh.Description 
   ,rh.IndID 
   ,rh.Name 
   ,rh.Time_Updated 
   ,count(*) OVER() as TotalCount
   ,case when count(rd.demo) > 0 THEN 'Completed' ELSE 'incomplete' END
  FROM v_Report_Header_OV rh 
  inner join v_Table_NI_Report_Demo rd
  ON rh.Report_ID = rd.Report_ID
  WHERE rh.Client_ID = 12324
 group by rh.Rec_ID 
   ,rh.Report_ID 
   ,rh.Report_Name 
   ,rh.Source_Type_Display 
   ,rh.Description 
   ,rh.IndID 
   ,rh.Name 
   ,rh.Time_Updated

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