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我在处理复杂的 MySQL 查询时遇到了一些麻烦。我正在尝试从此查询中获取 3 列。程序的名称、每个程序的站点总数以及每个程序的医师总数(用户总数)。我正在链接 2 个表,procedures并且tbl_syn_procedure.

只有一个条件可以获得我的医师总数(用户总数)procedures.phys_id = '##',但我不确定如何将其合并到查询中。

我目前有一个大型查询,可以提供我需要的一半数据。

SELECT  
  IFNULL( Synoptic, 'Total Count') AS Synoptic, Total
FROM ( 
SELECT  
  Synoptic, 
  SUM( Data ) AS Total
FROM ( 
      SELECT 
        tbl_syn_procedure.name AS 'Synoptic',
        COUNT(*) AS Data
        FROM procedures 
        JOIN tbl_syn_procedure ON 
        procedures.proc_synoptic_id = tbl_syn_procedure.name_id 
        GROUP BY procedures.proc_synoptic_id 
     ) AS stats 
  GROUP BY Synoptic WITH ROLLUP
) AS stats

这给了我一个看起来像这样的两列表:

概要 -------------- 总计

APBI 设备插入 ---------- 1328

MRI 引导活检 ------------- 71

立体定向活检 ------------- 10504

总数 ---------- 11903

但正如您所见,它缺少医师总数(用户总数)。如果有人可以就如何将第三列添加到查询中给我一些建议。

4

1 回答 1

0

尝试这个

select
count(p.proc_synoptic_id), p.proc_synoptic_id, name, num_phys_procedures
from
procedures p
inner join tbl_syn_procedure on p.proc_synoptic_id = tbl_syn_procedure.name_id
left join
(
    select count(proc_synoptic_id) as num_phys_procedures, proc_synoptic_id from procedures
    where phys_id = ##
    group by proc_synoptic_id
) phys_procedures on p.proc_synoptic_id = phys_procedures.proc_synoptic_id

group by proc_synoptic_id, name;

它首先获取程序总数,然后加入一个派生表,该表phys_procedures具有特定医生的程序数量。

于 2012-11-05T14:12:48.603 回答