根据一个表的数据生成插入脚本
if exists (select * from sysobjects where id = object_id(N'[dbo].[sp_CreateDataLoadScript]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[sp_CreateDataLoadScript]
GO
Create Procedure sp_CreateDataLoadScript
@TblName varchar(128)
as
/*
exec sp_CreateDataLoadScript 'MyTable'
*/
create table #a (id int identity (1,1), ColType int, ColName varchar(128))
insert #a (ColType, ColName)
select case when DATA_TYPE like '%char%' then 1 else 0 end ,
COLUMN_NAME
from information_schema.columns
where TABLE_NAME = @TblName
order by ORDINAL_POSITION
if not exists (select * from #a)
begin
raiserror('No columns found for table %s', 16,-1, @TblName)
return
end
declare @id int ,
@maxid int ,
@cmd1 varchar(7000) ,
@cmd2 varchar(7000)
select @id = 0 ,
@maxid = max(id)
from #a
select @cmd1 = 'select '' insert ' + @TblName + ' ( '
select @cmd2 = ' + '' select '' + '
while @id < @maxid
begin
select @id = min(id) from #a where id > @id
select @cmd1 = @cmd1 + ColName + ','
from #a
where id = @id
select @cmd2 = @cmd2
+ ' case when ' + ColName + ' is null '
+ ' then ''null'' '
+ ' else '
+ case when ColType = 1 then ''''''''' + ' + ColName + ' + ''''''''' else 'convert(varchar(20),' + ColName + ')' end
+ ' end + '','' + '
from #a
where id = @id
end
select @cmd1 = left(@cmd1,len(@cmd1)-1) + ' ) '' '
select @cmd2 = left(@cmd2,len(@cmd2)-8) + ' from ' + @tblName
select '/*' + @cmd1 + @cmd2 + '*/'
exec (@cmd1 + @cmd2)
drop table #a
go
drop procedure [dbo].[sp_CreateDataLoadScript]
GO
Create Procedure sp_CreateDataLoadScript
@TblName varchar(128)
as
/*
exec sp_CreateDataLoadScript 'MyTable'
*/
create table #a (id int identity (1,1), ColType int, ColName varchar(128))
insert #a (ColType, ColName)
select case when DATA_TYPE like '%char%' then 1 else 0 end ,
COLUMN_NAME
from information_schema.columns
where TABLE_NAME = @TblName
order by ORDINAL_POSITION
if not exists (select * from #a)
begin
raiserror('No columns found for table %s', 16,-1, @TblName)
return
end
declare @id int ,
@maxid int ,
@cmd1 varchar(7000) ,
@cmd2 varchar(7000)
select @id = 0 ,
@maxid = max(id)
from #a
select @cmd1 = 'select '' insert ' + @TblName + ' ( '
select @cmd2 = ' + '' select '' + '
while @id < @maxid
begin
select @id = min(id) from #a where id > @id
select @cmd1 = @cmd1 + ColName + ','
from #a
where id = @id
select @cmd2 = @cmd2
+ ' case when ' + ColName + ' is null '
+ ' then ''null'' '
+ ' else '
+ case when ColType = 1 then ''''''''' + ' + ColName + ' + ''''''''' else 'convert(varchar(20),' + ColName + ')' end
+ ' end + '','' + '
from #a
where id = @id
end
select @cmd1 = left(@cmd1,len(@cmd1)-1) + ' ) '' '
select @cmd2 = left(@cmd2,len(@cmd2)-8) + ' from ' + @tblName
select '/*' + @cmd1 + @cmd2 + '*/'
exec (@cmd1 + @cmd2)
drop table #a
go
posted on 2009-06-12 10:19 Wind Snail 阅读(498) 评论(1) 编辑 收藏 举报