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  • 把SQL数据库生成脚本插入的 SQL语句

    --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/yc1990/p/3017011.html
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