无限级分类的非递归实现(存储过程版）

Set  @nColumn_Order = @nColumn_Order + 1

--更新三部分 1 本树更改之前的后面（或前面）记录的顺序 1 节点本身  3 所有子节点
--分为向上移或象下移
--Print '更新本栏目之前位置后面的所有栏目[或者本栏目之后位置]  [不包括本栏目下的子栏目]的：Column_Order'
IF @nColumn_Order < @oColumn_Order
Begin
Update Tb_Column Set Column_Order = Column_Order+@theCount Where Column_Order<@oColumn_Order  And Column_Order >=@nColumn_Order And (Column_Path Not like ''+@oColumn_Path+'%') And Column_ID<>@Column_ID
IF @@Error <> 0
        Begin
        Set @Err = 12
        Goto theEnd
        End
End
Else
Begin
Update Tb_Column Set Column_Order = Column_Order-@theCount Where Column_Order >@oColumn_Order And Column_Order<@nColumn_Order  And (Column_Path Not like ''+@oColumn_Path+'%') And Column_ID<>@Column_ID
IF @@Error <> 0
        Begin
        Set @Err = 13
        Goto theEnd
        End
End

--Print '更新本栏目的：Parent_ID,Column_Path,Column_Depth,Column_Order,Column_Name,Column_Intro'
Print 'Order : '+Ltrim(Str(@nColumn_Order))
IF @nColumn_Order > @oColumn_Order
Set @nColumn_Order = @nColumn_Order - @theCount
Update Tb_Column Set Parent_ID=@Parent_ID,Column_Path = @nColumn_Path,Column_Depth = @nColumn_Depth,Column_Order = @nColumn_Order, Column_Name = @Column_Name,Column_Intro = @Column_Intro Where Column_ID = @Column_ID
IF @@Error <> 0
    Begin

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