MSSQL的表备份成INSERT脚本的存储过程

最新推荐文章于 2022-03-31 11:23:36 发布

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最新推荐文章于 2022-03-31 11:23:36 发布

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本文介绍了一个SQL Server的存储过程，用于自动生成表数据的插入脚本。该过程根据指定的表名和连接字符串，遍历表的所有列，并根据不同数据类型生成适当的转换和插入语句。

USE [SupplyChain]
GO
/****** Object: StoredProcedure [dbo].[ExpData] Script Date: 2015-12-18 10:23:08 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:
-- Create date:
-- Description: 将表数据生成Insert脚本
-- Demo : exec expdata 'sys_plugin','1=1'
-- exec expdata 'sys_power','1=1'
-- =============================================
ALTER proc [dbo].[ExpData] (@tablename varchar(256),@con nvarchar(400))
as
begin
set nocount on
declare @sqlstr varchar(4000)
declare @sqlstr1 varchar(4000)
declare @sqlstr2 varchar(4000)
select @sqlstr='select ''insert '+@tablename
select @sqlstr1=''
select @sqlstr2='('
select @sqlstr1='values (''+'
select @sqlstr1=@sqlstr1+col+'+'',''+' ,@sqlstr2=@sqlstr2+name +',' from (select case
when a.xtype =36 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'''''''''+'+'replace('+a.[name]+','''''''','''''''''''')' + '+'''''''''+' end'
--when a.xtype =36 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(250),['+a.[name] +'])'+' end'
when a.xtype =173 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),['+a.[name] +'])'+' end'
when a.xtype =104 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(1),['+a.[name] +'])'+' end'
when a.xtype =175 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'''''''''+'+'replace('+a.[name]+','''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =61 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),['+a.[name] +'],121)'+ '+'''''''''+' end'
when a.xtype =106 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),['+a.[name] +'])'+' end'
when a.xtype =62 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(23),['+a.[name] +'],2)'+' end'
when a.xtype =56 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(11),['+a.[name] +'])'+' end'
when a.xtype =60 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(22),['+a.[name] +'])'+' end'
when a.xtype =239 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'''''''''+'+'replace('+a.[name]+','''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =108 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),['+a.[name] +'])'+' end'
when a.xtype =231 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'''''''''+'+'replace('+a.[name]+','''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =59 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(23),['+a.[name] +'],2)'+' end'
when a.xtype =58 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),['+a.[name] +'],121)'+ '+'''''''''+' end'
when a.xtype =52 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(12),['+a.[name] +'])'+' end'
when a.xtype =122 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(22),['+a.[name] +'])'+' end'
when a.xtype =127 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(6),['+a.[name] +'])'+' end'
when a.xtype =48 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar(6),['+a.[name] +'])'+' end'
when a.xtype =165 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),['+a.[name] +'])'+' end'
when a.xtype =167 then 'case when ['+a.[name]+'] is null then ''NULL'' else '+'''''''''+'+'replace('+a.[name]+','''''''','''''''''''')' + '+'''''''''+' end'
else '''NULL'''
end as col,a.colid,'['+ a.name+']' as name
from syscolumns a where a.id = object_id(@tablename)
and a.xtype <>189 and a.xtype <>34
and a.xtype <>35 --and a.xtype <>36
)t order by colid
select @sqlstr=@sqlstr+left(@sqlstr2,len(@sqlstr2)-1)+') '+left(@sqlstr1,len(@sqlstr1)-3)+')'' from '+@tablename + ' where ' + @con
print @sqlstr
exec( @sqlstr)
set nocount off
end