将sqlserver表中的数据导出sql语句或生成insert into语句

时间:2021-08-07 04:47:28
--将sqlserver表中的数据导出sql语句或生成insert into语句

if Object_id('UspOutputData') is not null
drop PROCEDURE UspOutputData;
go
CREATE PROCEDURE dbo.UspOutputData
@tablename sysname
AS
BEGIN
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 -- 判断对象是否存在
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 -- 判断对象是否是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 --case
end -- if
end --if
fetch next from syscolumns_cursor into @name,@xtype
end --while

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'
END;
GO

/*
--使用方法:

exec UspOutputData 你的表名

--选择【执行模式】为“以文本显示结果”,然后将运行后的结果存成.sql,加上用SQL Server生成的数据库脚本就可以了。