選擇所有用戶的樣本並更新樣本的字段值

我有一個名爲tblItemReviewItems的表，我必須爲給定日期中的每個UserId選擇10％的ItemReviewId樣本。這是表腳本和一些樣本數據：人口選擇所有用戶的樣本並更新樣本的字段值

CREATE TABLE tblItemReviewItems(
    ItemReviewId INTEGER NOT NULL PRIMARY KEY 
    ,UserId  VARCHAR(50) NOT NULL 
    ,ReviewDate DATE NOT NULL 
    ,Deleted  VARCHAR(10) NOT NULL 
    ,Audited  VARCHAR(10) NOT NULL 
); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425282,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425291,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425299,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425304,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425311,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425324,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425333,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425358,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425423,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425443,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425482,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425547,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425580,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425899,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425921,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16426037,'jdoe1','7/1/2017','Yes','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16426239,'jdoe1','7/1/2017','Yes','No'); 
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INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16426787,'jdoe1','7/1/2017','Yes','No'); 
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INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16427428,'jdoe1','7/1/2017','Yes','No'); 
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INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16427860,'jdoe1','7/1/2017','Yes','No'); 
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INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16428038,'jdoe1','7/1/2017','Yes','No'); 
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INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16425351,'jdoe2','7/1/2017','Yes','No'); 
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INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16427497,'jdoe2','7/1/2017','Yes','No'); 
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INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16429660,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16429819,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16430204,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16431287,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16432004,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16434233,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16434999,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16435056,'jdoe3','7/1/2017','No','No'); 
INSERT INTO tblItemReviewItems(ItemReviewId,UserId,ReviewDate,Deleted,Audited) VALUES (16435798,'jdoe3','7/1/2017','No','No'); 



ALTER PROC [dbo].[spPickSample] 
AS 
BEGIN 
    DECLARE @Nos INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='No' and UserId='jdoe1') 
    DECLARE @Yes INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='Yes' and UserId='jdoe1') 
    DECLARE @Samplepct FLOAT =(.05*(@Nos + @Yes))/@Nos*100 
    DECLARE @Percentage AS INT = @Samplepct 
    SELECT 
     TOP (@Percentage) PERCENT * 
    FROM 
     tblItemReviewItems 
    WHERE 
     Deleted='No' AND UserId='jdoe1' 
    ORDER BY 
     NEWID() 
END

5％應來自刪除（否）和人口的5％應來自刪除（是）。

人口：

+-------------+----+-----+-------------+ 
| UserId | No | Yes | Grand Total | 
+-------------+----+-----+-------------+ 
| jdoe1  | 16 | 44 |   60 | 
| jdoe2  | 19 | 41 |   60 | 
| jdoe3  | 11 | 49 |   60 | 
| Grand Total | 46 | 134 |   180 | 
+-------------+----+-----+-------------+

目標樣本：

+-------------+----+-----+-------------+ 
| UserId | No | Yes | Grand Total | 
+-------------+----+-----+-------------+ 
| jdoe1  | 3 | 3 |   6 | 
| jdoe2  | 3 | 3 |   6 | 
| jdoe3  | 3 | 3 |   6 | 
| Grand Total | 9 | 9 |   18 | 
+-------------+----+-----+-------------+

這是我試圖獲得：

+--------------+--------+------------+---------+---------+ 
| ItemReviewId | UserId | ReviewDate | Deleted | Audited | 
+--------------+--------+------------+---------+---------+ 
|  16427072 | jdoe1 | 7/1/2017 | No  | Check | 
|  16428359 | jdoe1 | 7/1/2017 | No  | Check | 
|  16429003 | jdoe1 | 7/1/2017 | No  | Check | 
|  16429222 | jdoe1 | 7/1/2017 | Yes  | Check | 
|  16428665 | jdoe1 | 7/1/2017 | Yes  | Check | 
|  16425311 | jdoe1 | 7/1/2017 | Yes  | Check | 
|  16426266 | jdoe2 | 7/1/2017 | No  | Check | 
|  16432521 | jdoe2 | 7/1/2017 | No  | Check | 
|  16435694 | jdoe2 | 7/1/2017 | No  | Check | 
|  16427379 | jdoe2 | 7/1/2017 | Yes  | Check | 
|  16427568 | jdoe2 | 7/1/2017 | Yes  | Check | 
|  16427877 | jdoe2 | 7/1/2017 | Yes  | Check | 
|  16427532 | jdoe3 | 7/1/2017 | No  | Check | 
|  16435798 | jdoe3 | 7/1/2017 | No  | Check | 
|  16429660 | jdoe3 | 7/1/2017 | No  | Check | 
|  16430140 | jdoe3 | 7/1/2017 | Yes  | Check | 
|  16430339 | jdoe3 | 7/1/2017 | Yes  | Check | 
|  16428937 | jdoe3 | 7/1/2017 | Yes  | Check | 
+--------------+--------+------------+---------+---------+

這是我曾嘗試：

ALTER PROC [dbo].[PickSample] 
(
    @ReviewDate AS DATETIME 
    ,@UserId AS NVARCHAR(50) 
) 
AS 
BEGIN 
    DECLARE @tempDashboard table 
    (
    ItemReviewId VarChar(50) 
    ,UserId VarChar(50) 
    ,ReviewDate Datetime 
    ,Deleted varchar(10) 
    ,Audited varchar(10) 
    ) 

    DECLARE @Nos INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='No' AND [email protected] AND [email protected]) 
    DECLARE @Yes INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='Yes' AND [email protected] AND [email protected]) 
    DECLARE @Samplepct FLOAT =(.05*(@Nos + @Yes))/@Nos*100 

    DECLARE @Percentage AS INT = @Samplepct 

    INSERT INTO @tempDashboard (ItemReviewId, UserId, ReviewDate, Deleted, Audited) 
    SELECT 
     TOP (@Percentage) PERCENT ItemReviewId, UserId, ReviewDate, Deleted, Audited 
    FROM 
     tblItemReviewItems 
    WHERE 
     Deleted='No' AND [email protected] AND [email protected] 
    ORDER BY 
     NEWID() 

    DECLARE @Nos2 INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='No' AND [email protected] AND [email protected]) 
    DECLARE @Yes2 INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='Yes' AND [email protected] AND [email protected]) 
    DECLARE @Samplepct2 FLOAT =(.05*(@Nos2 + @Yes2))/@Yes2*100 

    DECLARE @Percentage2 AS INT = @Samplepct2 
    INSERT INTO @tempDashboard (ItemReviewId, UserId, ReviewDate, Deleted, Audited) 
    SELECT 
     TOP (@Percentage2) PERCENT ItemReviewId, UserId, ReviewDate, Deleted, Audited 
    FROM 
     tblItemReviewItems 
    WHERE 
     Deleted='Yes' AND [email protected] AND [email protected] 
    ORDER BY 
     NEWID() 
    UPDATE a 
    SET Audited='Check' 
    FROM tblItemReviewItems AS a 
     INNER JOIN @tempDashboard AS b 
     ON b.ItemReviewId=a.ItemReviewId 
END

我必須爲每個用戶運行存儲過程。通常每天大約有200個用戶。所以我將不得不在一天內運行存儲過程200次。我如何一次性實現這一目標？

來源

2017-07-15 Lone Rider

你有tblItemReviewItems的主鍵？ – Jayvee

@Jayvee表中有一個主鍵「ItemReviewId」。 –

好的，你可以選擇頂部@percentage百分比ItemReviewedId到臨時表或表變量或cte中，並用它來選擇項目並更新它們 – Jayvee

是這樣的：

ALTER PROC [dbo].[spPickSample] 
AS 
BEGIN 
    DECLARE @Nos INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='No' and UserId='jdoe1') 
    DECLARE @Yes INT = (SELECT COUNT (*) FROM tblItemReviewItems WHERE Deleted='Yes' and UserId='jdoe1') 
    DECLARE @Samplepct FLOAT =(.05*(@Nos + @Yes))/@Nos*100 
    DECLARE @Percentage AS INT = @Samplepct 
    DECLARE @temptable table (ItemReviewId nvarchar(50)) 
    INSERT into @temptable 
    SELECT 
     TOP (@Percentage) PERCENT ItemReviewId 
    FROM 
     tblItemReviewItems 
    WHERE 
     Deleted='No' AND UserId='jdoe1' 

    Update t set Audited="Check" 
    from tblItemReviewItems t 
    where ItemReviewId in (Select ItemReviewId from @temptable) 

    Select * from tblItemReviewItems 
    where ItemReviewId in (Select ItemReviewId from @temptable) 

END

假設您的用戶是在一個名爲「[用戶]」表，那麼你可以循環這樣一個光標：

DECLARE @userid nvarchar(50) 
DECLARE db_cursor CURSOR FOR 
SELECT userid 
FROM [users] 

OPEN db_cursor 
FETCH NEXT FROM db_cursor INTO @userid 

WHILE @@FETCH_STATUS = 0 
BEGIN 
    exec dbo.PickSample '2017-07-01',@userid 
     FETCH NEXT FROM db_cursor INTO @userid 
END

請注意，我硬編碼審查日期，但你得到的圖片，你可能需要適應你的具體情況

來源

2017-07-15 12:39:00 Jayvee

下面是你是如何做到的 - 選擇行到臨時表中。如果你有一個主鍵，你只需要選擇主鍵。如果您沒有主鍵，請爲該組合選擇足夠的列以使其唯一。一旦在臨時表中包含所需的行，請加入該臨時表並使用所需的值更新原始表中的那些行。如果您不打算隨後對所選行進行任何操作，則可以在使用正確的where子句進行選擇後實際更新行。

來源

2017-07-15 11:22:35 ArunGeorge

選擇所有用戶的樣本並更新樣本的字段值

回答

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