当作业包含在安装 SQL Server 2005 Service Pack 1 之后使用令牌的作业步骤时，SQL Server 代理作业失败

CREATE DATABASE [$(A-DBN)]

CREATE DATABASE [$(ESCAPE_RBRACKET(A-DBN))]

      -- This script is used to automatically edit SQL Agent job steps so that-- unescaped tokens are prefaced with the ESCAPE_NONE syntax that was added in-- SQL Server 2005 SP1.if (@@microsoftversion < 0x90007FE)BEGIN    RAISERROR('This script should only be run on at least SQL Server 2005 SP1.', 20, 127) WITH LOG    returnENDuse msdbgoif exists (select * from sys.objects where name = N'fn_PrefaceTokensWithEscapeNone' and type = 'FN')    drop function fn_PrefaceTokensWithEscapeNonego-- This function manipulates @commands so that all bare tokens-- are prefaced with ESCAPE_NONE.create function fn_PrefaceTokensWithEscapeNone(@commands nvarchar(max)) RETURNS nvarchar(max)ASBEGIN    if (@commands IS NULL)    BEGIN        return @commands    END    -- In order to let this script run under SQLCMD mode, we define    -- the special "$(" variable start string by concatenation so that    -- sqlcmd mode does not think that we are defining one of its variables.    declare @strVariableStart nchar(2)    select @strVariableStart = N'$' + N'('    declare @idxTokenStart int    select @idxTokenStart = CHARINDEX(@strVariableStart, @commands)    while (@idxTokenStart != 0 and @idxTokenStart is not null)    BEGIN        declare @idxCloseParen int        select @idxCloseParen = CHARINDEX(N')', SUBSTRING(@commands, @idxTokenStart, LEN(@commands)))        -- Error checking. If there is no close parenthesis, return.        if (0 = @idxCloseParen)        BEGIN            return @commands        END        -- Deduce the token variable.        declare @tokenLen int        select @tokenLen = @idxCloseParen - LEN(@strVariableStart) - 1        declare @token nvarchar(max)        select @token = SUBSTRING(@commands, @idxTokenStart + LEN(@strVariableStart), @tokenLen)        -- Verify if @token contains a mis-matched number of open and        -- close parens. This behavior could happen if invalid syntax is        -- in a comment block. If so, skip to the next token.        declare @idx int        declare @cOpenParens int        declare @cCloseParens int        select @cOpenParens = 0        select @idx = CHARINDEX(N'(', @token);        while (@idx != 0)        BEGIN            select @cOpenParens = @cOpenParens + 1            select @idx = CHARINDEX(N'(', @token, @idx + 1);        END        select @cCloseParens = 0        select @idx = CHARINDEX(N')', @token);        while (@idx != 0)        BEGIN            select @cCloseParens = @cCloseParens + 1            select @idx = CHARINDEX(N')', @token, @idx + 1);        END        -- Special case for the WMI token.        if (N'WMI(' = SUBSTRING(@token, 1, LEN(N'WMI(')))        BEGIN                select @cOpenParens = @cOpenParens - 1        END        if ((@cOpenParens = @cCloseParens) and            (N'ESCAPE_NONE(' != SUBSTRING(@token, 1, LEN(N'ESCAPE_NONE('))) and            (N'ESCAPE_SQUOTE(' != SUBSTRING(@token, 1, LEN(N'ESCAPE_SQUOTE('))) and            (N'ESCAPE_DQUOTE(' != SUBSTRING(@token, 1, LEN(N'ESCAPE_DQUOTE('))) and            (N'ESCAPE_RBRACKET(' != SUBSTRING(@token, 1, LEN(N'ESCAPE_RBRACKET('))))        BEGIN            select @commands = STUFF(@commands, @idxTokenStart + LEN(@strVariableStart), @tokenLen, N'ESCAPE_NONE(' + @token + N')')        END        select @idxTokenStart = CHARINDEX(@strVariableStart, @commands, @idxTokenStart + 1)    END    return @commandsENDgoif exists (select * from sys.objects where name = N'sp_AddEscapeNoneToJobStepTokens' and type = 'P')    drop procedure sp_AddEscapeNoneToJobStepTokensgo-- This procedure allows you to update jobs so that bare tokens-- are prefaced with ESCAPE_NONE. By default, all jobs are updated.-- You can optionally specify @job_name, @job_id, or @owner_name-- to limit the jobs that will be affected.CREATE PROCEDURE sp_AddEscapeNoneToJobStepTokens(    @job_name nvarchar(128) = null,    @job_id uniqueidentifier = null,    @owner_name nvarchar(256) = null)AS  -- Find the jobs to update. These jobs must match all of the input  -- criteria, unless all of the inputs are null. In this case,   -- examine all jobs.  The jobs must also be jobs created locally,  -- such as sysjobs.originating_server_id = 0. These jobs should not be a job that we run  -- because another server told us to.  Furthermore, if the job  -- is local but it is meant to be run on a target server, we send an  -- update for the job.  declare @jobsToUpdate TABLE (job_id uniqueidentifier not null)    insert into @jobsToUpdate      select job_id      from sysjobs      where originating_server_id = 0 -- local jobs      and ((COALESCE(@job_name, sysjobs.name) = sysjobs.name) and           (COALESCE(@job_id, sysjobs.job_id) = sysjobs.job_id) and           (COALESCE(@owner_name, suser_sname(sysjobs.owner_sid)) = suser_sname(sysjobs.owner_sid)))    -- Now find the job steps to update, creating the new command by using  -- fn_PrefaceTokensWithEscapeNone.  declare @jobStepsToUpdate TABLE (job_id uniqueidentifier not null,                                    step_id int not null,                                    command_old nvarchar(max) null,                                    command_new nvarchar(max) null,                                   output_file_old nvarchar(max) null,                                    output_file_new nvarchar(max) null)    insert into @jobStepsToUpdate  (job_id, step_id, command_old, command_new, output_file_old, output_file_new)      select job_id, step_id, command, dbo.fn_PrefaceTokensWithEscapeNone(command), output_file_name, dbo.fn_PrefaceTokensWithEscapeNone(output_file_name)      from sysjobsteps      where sysjobsteps.job_id =       (select job_id        from @jobsToUpdate        where job_id = sysjobsteps.job_id)    -- Now we update the actual job step commands. We do this first before  -- we push out the updated jobs to the target servers so the  -- target servers actually get the updated version.  declare @updated_job_id uniqueidentifier  declare @updated_job_step_id int  declare @updated_job_step_command nvarchar(max)  declare @updated_job_step_output_file nvarchar(max)    declare job_steps_cursor CURSOR FOR      select job_id, step_id, command_new, output_file_new      from @jobStepsToUpdate      order by job_id, step_id    OPEN job_steps_cursor  FETCH NEXT from job_steps_cursor into @updated_job_id, @updated_job_step_id, @updated_job_step_command, @updated_job_step_output_file  WHILE (@@FETCH_STATUS <> -1)  BEGIN      IF (@@FETCH_STATUS <> -2)      BEGIN          EXEC sp_update_jobstep @job_id = @updated_job_id, @step_id = @updated_job_step_id, @command = @updated_job_step_command, @output_file_name = @updated_job_step_output_file      END      FETCH NEXT from job_steps_cursor into @updated_job_id, @updated_job_step_id, @updated_job_step_command, @updated_job_step_output_file  END    CLOSE job_steps_cursor  DEALLOCATE job_steps_cursor      -- For multiserver jobs, call the sp_post_msx_operation stored procedure to update  -- all the target servers. Note that the sp_post_msx_operation stored procedure is safe  -- to call because it verifies whether the job is really a multiserver job.  declare jobs_cursor CURSOR FOR      select job_id      from @jobsToUpdate    OPEN jobs_cursor  FETCH NEXT from jobs_cursor into @updated_job_id  WHILE (@@FETCH_STATUS <> -1)  BEGIN      IF (@@FETCH_STATUS <> -2)      BEGIN          EXEC sp_post_msx_operation @operation = 'UPDATE', @job_id = @updated_job_id      END      FETCH NEXT from jobs_cursor into @updated_job_id  END    CLOSE jobs_cursor  DEALLOCATE jobs_cursor  -- List the jobs that we ran on, including the previous command  -- text. We list all of the job steps, even the ones that we did not  -- update. Otherwise, a jumble of job steps from  -- different jobs run together and the output is not  -- useful.  select N'Warning - Jobs Updated' = N'The following job steps and job output file names were analyzed and potentially updated to add the ESCAPE_NONE macro before any job tokens that were not already escaped. Please review the modified job steps and replace ESCAPE_NONE with the correct escape macro.'    select suser_sname(jobs.owner_sid) as N'Job owner',          jobs.name as N'Job name',          jobs.job_id,          jobStepsUpdated.step_id,          N'Modified' = CASE WHEN jobStepsUpdated.command_new != jobStepsUpdated.command_old or jobStepsUpdated.output_file_new != jobStepsUpdated.output_file_old THEN 1 ELSE 0 END,         N'Command' = jobStepsUpdated.command_new,          N'Previous Command' = jobStepsUpdated.command_old,          N'Output file' = jobStepsUpdated.output_file_new,          N'Previous Output file' = jobStepsUpdated.output_file_old      from sysjobs as jobs, @jobsToUpdate as jobsUpdated, @jobStepsToUpdate as jobStepsUpdated      where jobsUpdated.job_id = jobs.job_id and jobsUpdated.job_id = jobStepsUpdated.job_id      order by 'Job name', jobStepsUpdated.step_idgo