select
*from
(select k.kind as kinds,d.
*,x.sum, row_number(
)over
(partition
by d.tknumber order
by d.nowdate desc
)as row_*** from
(--裡面就是個查詢,不管,主要是外面的
select t.
*,s.technican_id from zhyy_tk t
left
join
zhyy_tk_base s
on t.tknumber = s.tknumber
) dleft
join
(select
sum(amount)
as sum,tknumber from zhyy_tk group
by tknumber
) x on d.tknumber = x.tknumber
left
join
(select tknumber,wmsys.wm_concat(kind)
as kind
from zhyy_tk
group
by tknumber
) k on k.tknumber = x.tknumber
and d.technican_id =
'a24672aabcc241368245baa244510895'
order
by d.tknumber asc
) h where h.row_*** =
'1'
row_number() over (partition by col1 order by col2) 表示根據col1分組,在分組內部根據 col2排序,而此函式計算的值就表示每組內部排序後的順序編號(組內連續的唯一的). Linq 取第一行 前幾行Top
top bottom操作 適用場景 適量的取出自己想要的資料,不是全部取出,這樣效能有所加強。take 說明 獲取集合的前n個元素 延遲。即只返回限定數量的結果集。var q from e in db.employees orderby e.hiredate select e take 5 語句描述...
Python csv 跳過第一行
python處理csv檔案時,經常需要跳過第一行表頭讀取檔案內容。下面是正常讀取的 import csv with open 2019 04 01.csv r as read file reader csv.reader read file for row in reader print row 如...
properties檔案第一行獲取的值為null
一 配置檔案temp.properties如下 datatransname data exchange updateperson 張三 二 現象描述 後台讀取上傳的update config.properties檔案內容,根據第一行對應的key datatransname 獲取值時始終獲取到的值為n...