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  • SQL Server--通过存储过程生成表数据的脚本

       

    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  

    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

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  • 原文地址:https://www.cnblogs.com/forthelichking/p/4514730.html
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