Sql 如何用另一个存储过程执行一个存储过程?
我有一个sessionlock过程,当一个过程在一个会话中运行时,如果同一个过程在运行另一个会话,它将在第一个会话完成之前不会执行Sql 如何用另一个存储过程执行一个存储过程?,sql,sql-server,tsql,Sql,Sql Server,Tsql,我有一个sessionlock过程,当一个过程在一个会话中运行时,如果同一个过程在运行另一个会话,它将在第一个会话完成之前不会执行 EXEC dbo.[system-LockProcedure]'dbo.usp_Test1' 它工作正常,我没有问题,但当我想用输入参数执行过程时,我得到一个错误: DECLARE @threadid INT = 0; EXEC [util].[system-LockProcedure] N'[dbo].[usp_Test1] @threadid=@threa
EXEC dbo.[system-LockProcedure]'dbo.usp_Test1'
它工作正常,我没有问题,但当我想用输入参数执行过程时,我得到一个错误:
DECLARE @threadid INT = 0;
EXEC [util].[system-LockProcedure] N'[dbo].[usp_Test1] @threadid=@threadid',
N'@threadid INT',
@threadid=@threadid
错误:
[dbo].[usp_Test1]需要参数@threadid,但未提供该参数
当我执行一个没有输入参数的过程时,它工作正常;当我想要执行一个有输入参数的过程时,它抛出一个错误
请建议如何修复此问题
系统锁定程序:
CREATE Procedure [dbo].[system-LockProcedure] @procname varchar(200)
AS
--BEGIN TRAN
BEGIN
DECLARE @lockreturn int,
@lockresource varchar(200) --sysname
SELECT @lockresource = @procname
-- The below line will try to acquire an exclusive lock on the PROC for the session, If the Proc is already in execution the @lockreturn value will be > 0
EXEC @lockreturn = sp_getapplock @lockresource, @LockMode = 'Exclusive', @LockOwner = 'Session' , @LockTimeout = 100
Print @lockreturn
IF @lockreturn <> 0
BEGIN
RAISERROR ('Another instance of the procedure is already running', 16, 1)
RETURN
END
-- The Code to be executed goes here. All the core logic of the proc goes here..
Print 'Procedure Execution Started for user: ' + cast (CURRENT_USER as nvarchar(20))+ ' for session: ' + cast (@@SPID as nvarchar(10))
-- This is just to make the system wait for 30 seconds and make sure if there is any concurrent execution triggered will fail
exec @lockresource
Print 'Procedure Execution Ended for user: ' + cast (CURRENT_USER as nvarchar(20))+ ' for session: ' + cast (@@SPID as nvarchar(10))
Print @lockreturn
-- This is to release the lock once the SP code is ran completely
EXEC sp_releaseapplock @lockresource , 'Session'
-- END TRY
END
在存储过程结束之前,使用要执行的过程名及其相应的参数,如:
Alter procedure Procedure1
As
begin
select * from TableName
Exec Procedure2
end
试试这个:
DECLARE @threadid INT = 0;
DECLARE @ExecuteString NVARCHAR(MAX) = N'[dbo].[usp_Test1] @threadid= ' + CAST(@threadid AS VARCHAR(4)) + ';'
EXEC [util].[system-LockProcedure] @ExecuteString;
什么是系统锁定过程?这是锁定会话过程,我只需要从外部调用该过程。为什么以“;”结束@AF先生,所有语句都以语句终止符结尾是一种良好的做法;。不放是不推荐的行为-@mohan111 xm。。奇怪-所以你把输入参数的值改成了nvarchar,对吗?是的@gotqn,我刚刚试过这种方法,但它不起作用