Robot进行数据库的并发测试

第一步：创建演示程序：打开SQL SERVER查询分析器，在SQL SERVER测试数据库中执行下列脚本（脚本执行操作：创建表testtable，并插入一条记录；创建存储过程test）：

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[Test]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)

drop procedure [dbo].[Test]

GO

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[testtable]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)

drop table [dbo].[testtable]

GO

CREATE TABLE [dbo].[testtable] (

       [testid] [int] NULL ,

       [counts] [int] NULL

) ON [PRIMARY]

GO

insert into testtable (testid,counts) values (1,0)

GO

SET QUOTED_IDENTIFIER ON

GO

SET ANSI_NULLS ON

GO

CREATE Procedure dbo.Test

as

  declare @count int

  begin tran TEST

    select @count=counts  from testtable where testid=1

    update testtable set counts=@count+1

  if (@@error >0) begin

       rollback tran TEST

  end else begin

       commit tran TEST

  end

GO

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