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DeadLocks.sql
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USE Tasking
GO
DROP PROC [dbo].[spDeadlockCascada]
DROP PROC [dbo].[spDeadlockTrans]
DROP PROC [dbo].[spDeadlockTrans2]
DROP PROC [dbo].[spDeadlockTrans3]
GO
CREATE PROCEDURE [dbo].[spDeadlockTrans]
AS
BEGIN
SET NOCOUNT ON
DECLARE @ErrorNumber INT, @ErrorSeverity INT, @ErrorState INT, @CustomError INT
DECLARE @Message VARCHAR(200)
DECLARE @InicieTransaccion BIT
SET @InicieTransaccion = 0
IF @@TRANCOUNT=0 BEGIN
SET @InicieTransaccion = 1
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
END
BEGIN TRY
SET @CustomError = 2001
UPDATE TiposDeCobro SET Nombre='intercambio' WHERE Nombre='Transferencia'
SELECT * FROM TiposDeCobro WHERE idTipoCobro>2
WAITFOR DELAY '00:00:10'
UPDATE Users SET computerName ='Fran-PC' WHERE computerName='Francisco-PC'
IF @InicieTransaccion=1 BEGIN
COMMIT
END
END TRY
BEGIN CATCH
SET @ErrorNumber = ERROR_NUMBER()
SET @ErrorSeverity = ERROR_SEVERITY()
SET @ErrorState = ERROR_STATE()
SET @Message = ERROR_MESSAGE()
IF @InicieTransaccion=1 BEGIN
ROLLBACK
END
RAISERROR('%s - Error Number: %i',
@ErrorSeverity, @ErrorState, @Message, @CustomError)
END CATCH
END
RETURN 0
GO
CREATE PROCEDURE [dbo].[spDeadlockTrans2]
AS
BEGIN
SET NOCOUNT ON
DECLARE @ErrorNumber INT, @ErrorSeverity INT, @ErrorState INT, @CustomError INT
DECLARE @Message VARCHAR(200)
DECLARE @InicieTransaccion BIT
SET @InicieTransaccion = 0
IF @@TRANCOUNT=0 BEGIN
SET @InicieTransaccion = 1
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
END
BEGIN TRY
SET @CustomError = 2001
UPDATE Paises SET Nombre='italiene' WHERE Nombre='italien'
WAITFOR DELAY '00:00:10'
UPDATE TiposDeCobro SET Nombre='intercambio' WHERE Nombre='Transferencia'
UPDATE Users SET userName ='Fran' WHERE computerName='Francisco'
UPDATE Users SET computerName = 'Francisco-PC' WHERE computerName='Fran-PC'
IF @InicieTransaccion=1 BEGIN
COMMIT
END
END TRY
BEGIN CATCH
SET @ErrorNumber = ERROR_NUMBER()
SET @ErrorSeverity = ERROR_SEVERITY()
SET @ErrorState = ERROR_STATE()
SET @Message = ERROR_MESSAGE()
IF @InicieTransaccion=1 BEGIN
ROLLBACK
END
RAISERROR('%s - Error Number: %i',
@ErrorSeverity, @ErrorState, @Message, @CustomError)
END CATCH
END
RETURN 0
GO
CREATE PROCEDURE [dbo].[spDeadlockTrans3]
AS
BEGIN
SET NOCOUNT ON
DECLARE @ErrorNumber INT, @ErrorSeverity INT, @ErrorState INT, @CustomError INT
DECLARE @Message VARCHAR(200)
DECLARE @InicieTransaccion BIT
SET @InicieTransaccion = 0
IF @@TRANCOUNT=0 BEGIN
SET @InicieTransaccion = 1
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
END
BEGIN TRY
SET @CustomError = 2001
UPDATE Users SET userName ='Francisco' WHERE computerName='Fran'
WAITFOR DELAY '00:00:10'
UPDATE TiposDeCobro SET Nombre='Paypal' WHERE Nombre='Paypal1'
UPDATE TiposDeCobro SET Nombre='Transferencia' WHERE Nombre='intercambio'
UPDATE Paises SET Nombre='italien' WHERE Nombre='italiene'
IF @InicieTransaccion=1 BEGIN
COMMIT
END
END TRY
BEGIN CATCH
SET @ErrorNumber = ERROR_NUMBER()
SET @ErrorSeverity = ERROR_SEVERITY()
SET @ErrorState = ERROR_STATE()
SET @Message = ERROR_MESSAGE()
IF @InicieTransaccion=1 BEGIN
ROLLBACK
END
RAISERROR('%s - Error Number: %i',
@ErrorSeverity, @ErrorState, @Message, @CustomError)
END CATCH
END
RETURN 0
---------------------------------------------------------------------------------------------------------------------------
GO
CREATE PROCEDURE [dbo].[spDeadlockCascada]
@Ciclos int
AS
BEGIN
DECLARE @contador int;
SET @contador= 0;
WHILE @contador!=@Ciclos
BEGIN
EXEC [dbo].[spDeadlockTrans]
EXEC [dbo].[spDeadlockTrans3]
EXEC [dbo].[spDeadlockTrans2]
SET @contador= @contador +1
END
END
GO
--------------------------------------------------------------------------------------------------------------------------------
--Correr en dos querys al mismo tiempo
--EXEC [dbo].[spDeadlockCascada] 15
--Ejecutar en dos query
--EXEC [dbo].[spDeadlockTrans]
--EXEC [dbo].[spDeadlockTrans3]
---------------------------------------------------------------------------------------------------------------------------
USE Tasking
GO
DROP PROC [dbo].[spDeadlockTrans1]
GO
CREATE PROCEDURE [dbo].[spDeadlockTrans1]
AS
BEGIN
SET NOCOUNT ON
DECLARE @ErrorNumber INT, @ErrorSeverity INT, @ErrorState INT, @CustomError INT
DECLARE @Message VARCHAR(200)
DECLARE @InicieTransaccion BIT
SET @InicieTransaccion = 0
IF @@TRANCOUNT=0 BEGIN
SET @InicieTransaccion = 1
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
END
BEGIN TRY
SET @CustomError = 2001
UPDATE TiposDeCobro SET Nombre='intercambio' WHERE Nombre='Transferencia'
SELECT * FROM TiposDeCobro WHERE idTipoCobro>2
WAITFOR DELAY '00:00:10'
UPDATE Users SET computerName ='Fran-PC' WHERE computerName='Francisco-PC'
EXEC [dbo].[spDeadlockTrans12]
IF @InicieTransaccion=1 BEGIN
COMMIT
ROLLBACK
END
END TRY
BEGIN CATCH
SET @ErrorNumber = ERROR_NUMBER()
SET @ErrorSeverity = ERROR_SEVERITY()
SET @ErrorState = ERROR_STATE()
SET @Message = ERROR_MESSAGE()
IF @InicieTransaccion=1 BEGIN
ROLLBACK
END
RAISERROR('%s - Error Number: %i',
@ErrorSeverity, @ErrorState, @Message, @CustomError)
EXEC [dbo].[spDeadlockTrans1]
END CATCH
END
RETURN 0
GO
DROP PROC [dbo].[spDeadlockTrans12]
GO
CREATE PROCEDURE [dbo].[spDeadlockTrans12]
AS
BEGIN
SET NOCOUNT ON
DECLARE @ErrorNumber INT, @ErrorSeverity INT, @ErrorState INT, @CustomError INT
DECLARE @Message VARCHAR(200)
DECLARE @InicieTransaccion BIT
SET @InicieTransaccion = 0
IF @@TRANCOUNT=0 BEGIN
SET @InicieTransaccion = 1
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
END
BEGIN TRY
SET @CustomError = 2001
UPDATE Paises SET Nombre='italiene' WHERE Nombre='italien'
WAITFOR DELAY '00:00:10'
UPDATE TiposDeCobro SET Nombre='intercambio' WHERE Nombre='Transferencia'
UPDATE Users SET userName ='Fran' WHERE computerName='Francisco'
UPDATE Users SET computerName = 'Francisco-PC' WHERE computerName='Fran-PC'
IF @InicieTransaccion=1 BEGIN
COMMIT
ROLLBACK
END
END TRY
BEGIN CATCH
SET @ErrorNumber = ERROR_NUMBER()
SET @ErrorSeverity = ERROR_SEVERITY()
SET @ErrorState = ERROR_STATE()
SET @Message = ERROR_MESSAGE()
IF @InicieTransaccion=1 BEGIN
ROLLBACK
END
RAISERROR('%s - Error Number: %i',
@ErrorSeverity, @ErrorState, @Message, @CustomError)
EXEC [dbo].[spDeadlockTrans1]
END CATCH
END
RETURN 0
GO
GO
DROP PROC [dbo].[spDeadlockTrans13]
GO
CREATE PROCEDURE [dbo].[spDeadlockTrans13]
AS
BEGIN
SET NOCOUNT ON
DECLARE @ErrorNumber INT, @ErrorSeverity INT, @ErrorState INT, @CustomError INT
DECLARE @Message VARCHAR(200)
DECLARE @InicieTransaccion BIT
SET @InicieTransaccion = 0
IF @@TRANCOUNT=0 BEGIN
SET @InicieTransaccion = 1
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
BEGIN TRANSACTION
END
BEGIN TRY
SET @CustomError = 2001
UPDATE Users SET userName ='Francisco' WHERE computerName='Fran'
WAITFOR DELAY '00:00:10'
UPDATE TiposDeCobro SET Nombre='Paypal' WHERE Nombre='Paypal1'
UPDATE TiposDeCobro SET Nombre='Transferencia' WHERE Nombre='intercambio'
UPDATE Paises SET Nombre='italien' WHERE Nombre='italiene'
EXEC [dbo].[spDeadlockTrans1]
IF @InicieTransaccion=1 BEGIN
COMMIT
ROLLBACK
END
END TRY
BEGIN CATCH
SET @ErrorNumber = ERROR_NUMBER()
SET @ErrorSeverity = ERROR_SEVERITY()
SET @ErrorState = ERROR_STATE()
SET @Message = ERROR_MESSAGE()
IF @InicieTransaccion=1 BEGIN
ROLLBACK
END
RAISERROR('%s - Error Number: %i',
@ErrorSeverity, @ErrorState, @Message, @CustomError)
EXEC [dbo].[spDeadlockTrans1]
END CATCH
END
RETURN 0
--EXEC [dbo].[spDeadlockTrans1]
--EXEC [dbo].[spDeadlockTrans2]