如何停止运行我的所有脚本的动态SQL

我的MS SQL 2008 R2安装程序上有一个存储过程。该过程动态地创建一个表并为其添加索引。下面显示的是脚本的简化版本，向您展示我正在做的事情。当我尝试将索引信息添加到“@ SQL1”时，字符串长度变得太大，这就是为什么它被分成两个字符串（@ SQL1和@ SQL2）的原因。我遇到的问题是，当表不存在时一切正常，但当表存在时，脚本的索引部分仍然运行。由于索引已经存在，因此失败。解决这个问题的最佳方法是什么？我不能将所有的脚本文本放入单个字符串中？如何停止运行我的所有脚本的动态SQL

ALTER PROCEDURE [evt].[CreateReportingDestinationTable] 
(
    @Name nvarchar(50) 
) 
AS 
    SET NOCOUNT ON; 

    DECLARE @SQL1 nvarchar(max) 
    DECLARE @SQL2 nvarchar(max) 


    SET @SQL1 = "IF NOT EXISTS (SELECT * FROM sys.Tables WHERE name = '" + @Name + "' AND type in (N'U')) 
     CREATE TABLE [logs].[" + @Name + "](
      [MessageId] [uniqueidentifier] NOT NULL, 
      [TokenNumber] [nvarchar](50) NULL, 
     CONSTRAINT [PK_" + @Name + "] PRIMARY KEY CLUSTERED 
     (
      [MessageId] ASC 
     )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] 
     ) ON [PRIMARY]" 


    SET @SQL2 = "CREATE NONCLUSTERED INDEX [IX_" + @Name + "_TokenNumber_EventTime] ON [logs].[" + @Name + "] 
     (
      [TokenNumber] ASC 
     ) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] 
     " 

    EXEC(@SQL1 + @SQL2)

来源

2012-09-07 Retrocoder

包括索引的创建在同一IF分支为该表的创建：

ALTER PROCEDURE [evt].[CreateReportingDestinationTable] 
(
    @Name nvarchar(50) 
) 
AS 
    SET NOCOUNT ON; 

    DECLARE @SQL1 nvarchar(max) 
    DECLARE @SQL2 nvarchar(max) 


    SET @SQL1 = "IF NOT EXISTS (SELECT * FROM sys.Tables WHERE name = '" + @Name + "' AND type in (N'U')) 
    BEGIN 
     CREATE TABLE [logs].[" + @Name + "](
      [MessageId] [uniqueidentifier] NOT NULL, 
      [TokenNumber] [nvarchar](50) NULL, 
     CONSTRAINT [PK_" + @Name + "] PRIMARY KEY CLUSTERED 
     (
      [MessageId] ASC 
     )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] 
     ) ON [PRIMARY]" 


    SET @SQL2 = "CREATE NONCLUSTERED INDEX [IX_" + @Name + "_TokenNumber_EventTime] ON [logs].[" + @Name + "] 
     (
      [TokenNumber] ASC 
     ) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] 
     " 

    SET SQL3 = ... 
    ... 

    EXEC(@SQL1 + @SQL2 + SQL3 + ... + ' END')

来源

2012-09-07 09:57:35

感谢你。这正是我所追求的。它工作的一种享受。 – Retrocoder

你能不能检查，如果存在索引，一样的，你使用的表格做sys.indexes (Transact-SQL)

喜欢的东西

SELECT * 
FROM sys.indexes 
WHERE name='YourIndexName' AND object_id = OBJECT_ID('YourTableName')

来源

2012-09-07 09:17:28

我可以做到这一点，但我希望有一个不同的认同h因为会有很多索引，所以可能会变得杂乱，以保持 – Retrocoder

如何停止运行我的所有脚本的动态SQL

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