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将表数据生成sql脚本的存储过程
将表数据生成sql脚本的存储过程:
create procedure dbo.uspoutputdata
@tablename sysname
as
declare @column varchar(1000)
declare @columndata varchar(1000)
declare @sql varchar(4000)
declare @xtype tinyint
declare @name sysname
declare @objectid int
declare @objectname sysname
declare @ident int
set nocount on
set @objectid=object_id(@tablename)
if @objectid is null -- 判斷對象是否存在
begin
print 'the object not exists'
return
end
set @objectname=rtrim(object_name(@objectid))
if @objectname is null or charindex(@objectname,@tablename)=0 --此判断不严密
begin
print 'object not in current database'
return
end
if objectproperty(@objectid,'istable') < > 1 -- 判斷對象是否是table
begin
print 'the object is not table'
return
end
select @ident=status&0x80 from syscolumns where id=@objectid and status&0x80=0x80
if @ident is not null
print 'set identity_insert '+@tablename+' on'
declare syscolumns_cursor cursor
for select c.name,c.xtype from syscolumns c where c.id=@objectid order by c.colid
open syscolumns_cursor
set @column=''
set @columndata=''
fetch next from syscolumns_cursor into @name,@xtype
while @@fetch_status < >-1
begin
if @@fetch_status < >-2
begin
if @xtype not in(189,34,35,99,98) --timestamp不需处理，image,text,ntext,sql_variant 暂时不处理
begin
set @column=@column+case when len(@column)=0 then'' else ','end+@name
set @columndata=@columndata+case when len(@columndata)=0 then '' else ','','','
end
+case when @xtype in(167,175) then '''''''''+'+@name+'+''''''''' --varchar,char
when @xtype in(231,239) then '''n''''''+'+@name+'+''''''''' --nvarchar,nchar
when @xtype=61 then '''''''''+convert(char(23),'+@name+',121)+''''''''' --datetime
when @xtype=58 then '''''''''+convert(char(16),'+@name+',120)+''''''''' --smalldatetime
when @xtype=36 then '''''''''+convert(char(36),'+@name+')+''''''''' --uniqueidentifier
else @name end
end
end
fetch next from syscolumns_cursor into @name,@xtype
end
close syscolumns_cursor
deallocate syscolumns_cursor
set @sql='set nocount on select ''insert '+@tablename+'('+@column+') values(''as ''--'','+@columndata+','')'' from '+@tablename
print '--'+@sql
exec(@sql)
if @ident is not null
print 'set identity_insert '+@tablename+' off'
go
exec uspoutputdata 你的表名
