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/*

作者：张友邦
时间：2005-03-03
描述：简单的拷贝一个表的内容

版本：1.0

历史：

注意：

*/

ALTER procedure dbo.x_p_copyTable
(
    @tableName nvarchar(128),
    @condition nvarchar(1024) = N'',
    @remoteServer nvarchar(128) = N'TGM_OLD.span_tgm_020'
)
as
declare @sql nvarchar(4000)

set @sql = N'select @cnt = count(*)
    from sysobjects, syscolumns
    where sysobjects.id = syscolumns.id
        and syscolumns.colstat = 1
        and sysobjects.name = ''' + @tableName + N''''

declare @count int
execute sp_executesql @sql, N'@cnt int output', @count output

if @count > 0 begin
    set @sql = N'set identity_insert ' + @tableName + N' on'
    execute sp_executesql @sql
end

declare @columns nvarchar(2048)
set @columns = N''
select
    @columns = @columns + syscolumns.name + N','
from sysobjects, syscolumns
where sysobjects.id = syscolumns.id
    and syscolumns.iscomputed <> 1
    and sysobjects.name = @tableName
if len(@columns) > 0 begin
    set @columns = substring(@columns, 1, len(@columns) - 1)
end

set @sql = N'insert ' + @tableName + N'(' + @columns + N') '
    + N'select ' + @columns + N' from ' + @remoteServer + N'.dbo.' + @tableName
if @condition <> N'' begin
    set @sql = @sql + N' where ' + @condition
end

execute sp_executesql @sql

if @count > 0 begin
    set @sql = N'set identity_insert ' + @tableName + N' off'
    execute sp_executesql @sql
end