Question

背景：SQL Server 2008 R2

遇到以下问题。得到一个usp到“完成”，作者不可用。它从源表中提取数据，复制到存档db中的同名目标表+日期时间戳，然后截断源表。想确认没有发生错误＆amp;在截断源之前，行计数是相同的。因为我正在使用DDL，所以TRY CATCH组合将不起作用。

以下代码有效：

DECLARE @HostName           VARCHAR(30)     -- Name of server running script
DECLARE @dbName             VARCHAR(30)     -- Database currently connected to
DECLARE @LogText            VARCHAR(255)            -- Text to be logged to ArchLog table
DECLARE @NewUTMetaData          VARCHAR(255)        -- New tablename for UTMetaData
DECLARE @NewOutboundMessagePending  VARCHAR(255)        -- New tablename for OutboundMessagePending
DECLARE @NewOutboundMessageStatus   VARCHAR(255)        -- New tablename for OutboundMessageStatus
DECLARE @NewOutboundMessageResult   VARCHAR(255)        -- New tablename for OutboundMessageResult
DECLARE @NewFileMessageNonSequence  VARCHAR(255)        -- New tablename for FileMessageNonSequence
DECLARE @NewOutboundMessageRequest  VARCHAR(255)        -- New tablename for OutboundMessageRequest
DECLARE @NewOutboundMessage         VARCHAR(255)        -- New tablename for OutboundMessage
DECLARE @SQLQuery                   NVARCHAR(500)
DECLARE @return_value               INT
DECLARE @Err                        INT = 0
DECLARE @ErrFin                     INT = 0
DECLARE @SQLCount                   NVARCHAR(255) = 'SELECT @TargetCountOUT = COUNT(*) FROM ' 
DECLARE @ParmDefinition             nvarchar(50)  = N'@TargetCountOUT int OUTPUT';;
DECLARE @SourceCount                INT = 0
DECLARE @TargetCount                INT = 0

--  Log message that delete is starting
SELECT  @HostName = host_name()
SELECT  @dbName   = db_name()
SELECT  @LogText  = 'Procedure ArchiveMuleDBMetrix_NEW starting database= ' + @dbname + ' host= ' + @HostName 
EXEC xp_logevent 50001, @LogText, 'INFORMATIONAL'

INSERT INTO [MuleDBArch].[dbo].[ArchLog]
       ([LogEntryDateTime]
       ,[LogEntry])
    VALUES (GETDATE()
    ,@LogText)

BEGIN
    SELECT @NewUTMetaData             = (SELECT '[MuleDBArch].[dbo].UTMetaDataA'             + convert(varchar(50),GetDate(),112) + replace(convert(varchar, GetDate(),108),':',''))
    SET @err = @@error;
    SET @SQLQuery = 'select * into ' + @NewUTMetaData             + ' from [MuleDB].[dbo].[SASITUTMetaData]'
    EXECUTE sp_executesql @SQLQuery
    SET @SourceCount = @@ROWCOUNT

    SELECT  @LogText = 'Rows archived into ' + @NewUTMetaData + ' by Procedure ArchiveMuleDBMetrix_NEW = ' + CAST(@SourceCount as VARCHAR(6))
    EXEC xp_logevent 50002, @LogText, 'INFORMATIONAL'
    INSERT INTO [MuleDBArch].[dbo].[ArchLog]
      ([LogEntryDateTime]
      ,[LogEntry])
    VALUES (GETDATE()
           ,@LogText)

    IF @err = 0
      BEGIN
        SET @sqlcount = @sqlcount + @NewUTMetaData
        EXECUTE sp_executesql @sqlcount, @ParmDefinition, @TargetCountOUT=@TargetCount OUTPUT;
        IF @SourceCount = @TargetCount
          TRUNCATE TABLE [MuleDB].[dbo].[SASITUTMetaData]
        ELSE
          SELECT  @LogText = 'Post archive, row counts differ between [MuleDB].[dbo].[SASITUTMetaData] and' + @NewUTMetaData 
          EXEC xp_logevent 50003, @LogText, 'Error'
          Set @errfin = 1
          SET @err = 0
      END    
    ELSE
      BEGIN
        SELECT  @LogText = 'Procedure ArchiveMuleDBMetrix_NEW failed archiving into ' + @NewUTMetaData 
        EXEC xp_logevent 50004, @LogText, 'Error'
        Set @errfin = 1
        SET @err = 0
      END
END

但是，如果我重复该块以处理另一个表（或实际上是同一个），则查询完成并出现错误，我收到消息：

Msg 102，Level 15，State 1，Line 1
'。'。
附近的语法不正确

我想我已经把它缩小到了界限：

EXECUTE sp_executesql @sqlcount, @ParmDefinition, @TargetCountOUT=@TargetCount OUTPUT;

任何帮助表示赞赏

Answer 1

在下面的代码中

EXECUTE sp_executesql @sqlcount，@ ParmDefinition，@ TargetCountOUT = @ TargetCount OUTPUT;

在调用存储过程时，您尝试传递参数值而不指定除输出参数之外的参数名称。为all或none指定参数名称。尝试按如下方式执行代码

执行sp_executesql @sqlcount，@ ParmDefinition，@ TargetCount OUTPUT;

OUTPUT变量为sp_executesql

1 个答案: