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

时间:2021-08-07 04:47:22
--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。