Sql 传递表并将表返回给存储过程或函数?
我想将一个表传递给UDF或存储过程,然后让它处理数据,并从我传递给它的表中返回灵敏度、特异性和95%上/下置信区间(每一个) 基本上,我需要从一个表中计算并返回六个值 我已经做了很多次了,所以自动化会非常棒,但我没有创建UDF或SP。我已经读过它们(stackoverflow和其他地方),但我一直在思考如何继续 我创建SQL部件是为了计算感兴趣的参数,但我真的不知道如何向它传递一个表并将表返回Sql 传递表并将表返回给存储过程或函数?,sql,sql-server,stored-procedures,user-defined-functions,Sql,Sql Server,Stored Procedures,User Defined Functions,我想将一个表传递给UDF或存储过程,然后让它处理数据,并从我传递给它的表中返回灵敏度、特异性和95%上/下置信区间(每一个) 基本上,我需要从一个表中计算并返回六个值 我已经做了很多次了,所以自动化会非常棒,但我没有创建UDF或SP。我已经读过它们(stackoverflow和其他地方),但我一直在思考如何继续 我创建SQL部件是为了计算感兴趣的参数,但我真的不知道如何向它传递一个表并将表返回 DECLARE @R_MODS TABLE( SUBJECTID varchar(max),
DECLARE @R_MODS TABLE(
SUBJECTID varchar(max),
ResultCall varchar(max)
)
INSERT INTO @R_MODS VALUES ('11-0001','TP');
INSERT INTO @R_MODS VALUES ('11-0002','TP');
INSERT INTO @R_MODS VALUES ('11-0003','TP');
INSERT INTO @R_MODS VALUES ('11-0004','TP');
INSERT INTO @R_MODS VALUES ('11-0005','TP');
INSERT INTO @R_MODS VALUES ('11-0006','I');
INSERT INTO @R_MODS VALUES ('11-0007','TP');
INSERT INTO @R_MODS VALUES ('11-0008','TP');
INSERT INTO @R_MODS VALUES ('11-0009','I');
INSERT INTO @R_MODS VALUES ('11-0010','TP');
INSERT INTO @R_MODS VALUES ('11-0011','TP');
INSERT INTO @R_MODS VALUES ('11-0012','TN');
INSERT INTO @R_MODS VALUES ('11-0013','TP');
INSERT INTO @R_MODS VALUES ('11-0014','I');
INSERT INTO @R_MODS VALUES ('11-0015','TP');
INSERT INTO @R_MODS VALUES ('11-0016','TP');
INSERT INTO @R_MODS VALUES ('11-0017','TN');
INSERT INTO @R_MODS VALUES ('11-0018','TP');
INSERT INTO @R_MODS VALUES ('11-0019','FP');
INSERT INTO @R_MODS VALUES ('11-0020','FP');
DECLARE @TP float, @TN float, @FP float, @FN float, @SEN float, @SPE float, @M1 float,
@M2 float, @Sen95 float, @SpeL float , @SpeU float, @SenU float, @SenL float
SET @TP = (SELECT COUNT(SUBJECTID) FROM @R_MODS WHERE ResultCall='TP')
SET @TN = (SELECT COUNT(SUBJECTID) FROM @R_MODS WHERE ResultCall='TN')
SET @FP = (SELECT COUNT(SUBJECTID) FROM @R_MODS WHERE ResultCall='FP')
SET @FN = (SELECT COUNT(SUBJECTID) FROM @R_MODS WHERE ResultCall='FN')
SET @SEN = @TP/(@TP + @FN)
SET @M1 = @TP + @FN
SET @SPE = @TN/(@TN + @FP)
SET @M2 = @FP + @TN
SET @SenL = ( 2*@M1*@SEN + POWER(1.96,2) - 1 - 1.96 * SQRT(POWER(1.96,2)
- 2 -(1/@M1)+ 4*@SEN *(@M1*(1-@SEN) + 1)))/(2*(@M1+POWER(1.96,2)))
SET @SenU = ( 2*@M1*@SEN + POWER(1.96,2) + 1 + 1.96 * SQRT(POWER(1.96,2)
+ 2 -(1/@M1)+ 4*@SEN *(@M1*(1-@SEN) - 1)))/(2*(@M1+POWER(1.96,2)))
SET @SpeL = ( 2*@M2*@SPE + POWER(1.96,2) - 1 - 1.96 * SQRT(POWER(1.96,2)
- 2 -(1/@M2)+ 4*@SPE *(@M2*(1-@SPE) + 1)))/(2*(@M2+POWER(1.96,2)))
SET @SpeU = ( 2*@M2*@SPE + POWER(1.96,2) + 1 + 1.96 * SQRT(POWER(1.96,2)
+ 2 -(1/@M2)+ 4*@SPE *(@M2*(1-@SPE) - 1)))/(2*(@M2+POWER(1.96,2)))
SELECT @SEN, @SenL, @SenU, 1-@SPE, 1-@SPEL, 1-@SpeU
由于您的代码只对数据进行计算(即没有副作用或表的更新),并且不与表耦合,因此您可以创建一个表来进行这些计算-该函数可以将输入表(
R_MODS
)作为一个函数,还可以返回一个输出表(Sen
等)
这是一个例子
详细信息:
您需要为输入创建一个表类型,例如
CREATE TYPE R_MODS_TYPE AS TABLE(
SUBJECTID varchar(max),
ResultCall varchar(max)
);
并将功能定义为:
CREATE FUNCTION dbo.DoCalcs(@TheRMods R_MODS_TYPE READONLY)
RETURNS @Result TABLE
(
[SEN] DECIMAL(10,4),
[SenL] DECIMAL(10,4),
[SenU] DECIMAL(10,4),
[1-SPE] DECIMAL(10,4),
[1-SPEL] DECIMAL(10,4),
[1-SpeU] DECIMAL(10,4)
)
AS
BEGIN
DECLARE @TP float, @TN float, @FP float, @FN float, @SEN float, @SPE float,
@M1 float, @M2 float, @Sen95 float, @SpeL float , @SpeU float,
@SenU float, @SenL float;
SET @TP = (SELECT COUNT(SUBJECTID) FROM @TheRMods WHERE ResultCall='TP')
SET @TN = (SELECT COUNT(SUBJECTID) FROM @TheRMods WHERE ResultCall='TN')
SET @FP = (SELECT COUNT(SUBJECTID) FROM @TheRMods WHERE ResultCall='FP')
SET @FN = (SELECT COUNT(SUBJECTID) FROM @TheRMods WHERE ResultCall='FN')
SET @SEN = @TP/(@TP + @FN)
SET @M1 = @TP + @FN
SET @SPE = @TN/(@TN + @FP)
SET @M2 = @FP + @TN
SET @SenL = ( 2*@M1*@SEN + POWER(1.96,2) - 1 - 1.96 * SQRT(POWER(1.96,2)
- 2 -(1/@M1)+ 4*@SEN *(@M1*(1-@SEN) + 1)))/(2*(@M1+POWER(1.96,2)))
SET @SenU = ( 2*@M1*@SEN + POWER(1.96,2) + 1 + 1.96 * SQRT(POWER(1.96,2)
+ 2 -(1/@M1)+ 4*@SEN *(@M1*(1-@SEN) - 1)))/(2*(@M1+POWER(1.96,2)))
SET @SpeL = ( 2*@M2*@SPE + POWER(1.96,2) - 1 - 1.96 * SQRT(POWER(1.96,2)
- 2 -(1/@M2)+ 4*@SPE *(@M2*(1-@SPE) + 1)))/(2*(@M2+POWER(1.96,2)))
SET @SpeU = ( 2*@M2*@SPE + POWER(1.96,2) + 1 + 1.96 * SQRT(POWER(1.96,2)
+ 2 -(1/@M2)+ 4*@SPE *(@M2*(1-@SPE) - 1)))/(2*(@M2+POWER(1.96,2)))
INSERT INTO @Result ([SEN], [SenL], [SenU], [1-SPE], [1-SPEL], [1-SpeU])
SELECT @SEN, @SenL, @SenU, 1-@SPE, 1-@SPEL, 1-@SpeU;
RETURN;
END
然后,通过声明表类型的实例、填充它并将其传递给函数来调用表函数:
DECLARE @TestData R_MODS_TYPE;
INSERT INTO @TestData VALUES ('11-0001','TP'),
('11-0002','TP'),
('11-0003','TP'),
('11-0004','TP'),
... etc.
SELECT * FROM dbo.DoCalcs(@TestData);
结果:
SEN SenL SenU 1-SPE 1-SPEL 1-SpeU
--------- -------- ------- ------- ------- -------
1.0000 0.7166 0.9929 0.5000 0.9081 0.0919
下面是另一种使用
存储过程的方法
输入参数需要用户定义的表数据类型
CREATE TYPE R_MODS_TBL AS TABLE(
SUBJECTID VARCHAR(MAX),
ResultCall VARCHAR(MAX)
)
以及存储过程:
注意变量@TP
、@TN
、@FP
和@FN
赋值的变化,即使用单个SELECT
语句而不是四个单独的语句
要执行存储过程,需要填充生成的用户定义表数据类型的实例:
DECLARE @R_MODS R_MODS_TBL
INSERT INTO @R_MODS VALUES ('11-0001','TP');
INSERT INTO @R_MODS VALUES ('11-0002','TP');
INSERT INTO @R_MODS VALUES ('11-0003','TP');
INSERT INTO @R_MODS VALUES ('11-0004','TP');
INSERT INTO @R_MODS VALUES ('11-0005','TP');
INSERT INTO @R_MODS VALUES ('11-0006','I');
INSERT INTO @R_MODS VALUES ('11-0007','TP');
INSERT INTO @R_MODS VALUES ('11-0008','TP');
INSERT INTO @R_MODS VALUES ('11-0009','I');
INSERT INTO @R_MODS VALUES ('11-0010','TP');
INSERT INTO @R_MODS VALUES ('11-0011','TP');
INSERT INTO @R_MODS VALUES ('11-0012','TN');
INSERT INTO @R_MODS VALUES ('11-0013','TP');
INSERT INTO @R_MODS VALUES ('11-0014','I');
INSERT INTO @R_MODS VALUES ('11-0015','TP');
INSERT INTO @R_MODS VALUES ('11-0016','TP');
INSERT INTO @R_MODS VALUES ('11-0017','TN');
INSERT INTO @R_MODS VALUES ('11-0018','TP');
INSERT INTO @R_MODS VALUES ('11-0019','FP');
INSERT INTO @R_MODS VALUES ('11-0020','FP');
EXEC dbo.YourStoredProcedure @R_MODS
注:
在存储过程中将表值用作输入参数时,需要将参数声明为READONLY
。有关详细信息,请阅读Mikael Eriksson的文章。如果您使用的是sql server 2008或更高版本,则可以定义用户定义的表类型并在存储过程中声明其参数,以便表值这很好,但它可能是一个内联表值函数。太棒了,正是我需要的。
DECLARE @R_MODS R_MODS_TBL
INSERT INTO @R_MODS VALUES ('11-0001','TP');
INSERT INTO @R_MODS VALUES ('11-0002','TP');
INSERT INTO @R_MODS VALUES ('11-0003','TP');
INSERT INTO @R_MODS VALUES ('11-0004','TP');
INSERT INTO @R_MODS VALUES ('11-0005','TP');
INSERT INTO @R_MODS VALUES ('11-0006','I');
INSERT INTO @R_MODS VALUES ('11-0007','TP');
INSERT INTO @R_MODS VALUES ('11-0008','TP');
INSERT INTO @R_MODS VALUES ('11-0009','I');
INSERT INTO @R_MODS VALUES ('11-0010','TP');
INSERT INTO @R_MODS VALUES ('11-0011','TP');
INSERT INTO @R_MODS VALUES ('11-0012','TN');
INSERT INTO @R_MODS VALUES ('11-0013','TP');
INSERT INTO @R_MODS VALUES ('11-0014','I');
INSERT INTO @R_MODS VALUES ('11-0015','TP');
INSERT INTO @R_MODS VALUES ('11-0016','TP');
INSERT INTO @R_MODS VALUES ('11-0017','TN');
INSERT INTO @R_MODS VALUES ('11-0018','TP');
INSERT INTO @R_MODS VALUES ('11-0019','FP');
INSERT INTO @R_MODS VALUES ('11-0020','FP');
EXEC dbo.YourStoredProcedure @R_MODS