更新时间:2022-10-04 19:08:14
据库执行模板SQL,不然无法生成需要的表和字段。
DECLARE @fromdb VARCHAR(100)
DECLARE @todb VARCHAR(100)
DECLARE @tablename VARCHAR(100)
DECLARE @columnnames NVARCHAR(300)
DECLARE @isidentity NVARCHAR(30)
DECLARE @temsql NVARCHAR(max)
DECLARE @sql NVARCHAR(max)
SET @fromdb = 'master'
SET @todb = 'master_new'
--游标
DECLARE @itemCur CURSOR
SET @itemCur = CURSOR FOR
SELECT '['+[name]+']' from sys.tables WHERE type='U' order by name
OPEN @itemCur
FETCH NEXT FROM @itemCur INTO @tablename
WHILE @@FETCH_STATUS=0
BEGIN
SET @sql = ''
|
--获取表字段
SET @temsql = N'
BEGIN
SET @columnnamesOUT =''''
SELECT @columnnamesOUT = @columnnamesOUT + '','' + name
From sys.columns where object_id=OBJECT_ID(''['+@fromdb+'].dbo.'+@tablename+''')
order by column_id
SELECT @columnnamesOUT=substring(@columnnamesOUT,2,len(@columnnamesOUT))
END
'
EXEC sp_executesql @temsql,N'@columnnamesOUT NVARCHAR(300) OUTPUT',@columnnamesOUT=@columnnames OUTPUT
PRINT ('--'+@tablename)
--判断是否有自增字段
SET @temsql = N'
BEGIN
SET @isidentityOUT =''''
SELECT @isidentityOUT = name
From sys.columns where object_id=OBJECT_ID(''['+@fromdb+'].dbo.'+@tablename+''')
and is_identity = 1
END
'
EXEC sp_executesql @temsql,N'@isidentityOUT NVARCHAR(30) OUTPUT',@isidentityOUT=@isidentity OUTPUT
--IDENTITY_INSERT ON
IF @isidentity != ''
BEGIN
SET @sql = 'SET IDENTITY_INSERT ['+@todb+'].[dbo].['+@tablename+'] ON
'
END
--INSERT
SET @sql = @sql+'INSERT INTO ['+@todb+'].[dbo].['+@tablename+']('+@columnnames+')
SELECT * FROM ['+@fromdb+'].[dbo].['+@tablename+']'
--IDENTITY_INSERT OFF
IF @isidentity != ''
BEGIN
SET @sql = @sql+'
SET IDENTITY_INSERT ['+@todb+'].[dbo].['+@tablename+'] OFF'
END
--返回SQL
PRINT(@sql)PRINT('GO')+CHAR(13)
FETCH NEXT FROM @itemCur INTO @tablename
END
CLOSE @itemCur
DEALLOCATE @itemCur
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--spt_values
INSERT INTO [master_new].[dbo].[spt_values](name,number,type,low,high,status)
SELECT * FROM [master].[dbo].[spt_values]
GO
--[OpinionList]
SET IDENTITY_INSERT [master_new].[dbo].[OpinionList] ON
INSERT INTO [master_new].[dbo].[OpinionList](Id,Batch,LinkId,DB_Names,CreateTime)
SELECT * FROM [DBA_DB].[dbo].[OpinionList]
SET IDENTITY_INSERT [master_new].[dbo].[OpinionList] OFF
GO
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