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±íÃû£ºTb_Column
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Column_ID int Ö÷¼ü£¨×¢£º·Ç±êʶ£©
Column_Name nvarchar(50)·ÖÀàÃû³Æ
Parent_ID int ¸¸·ÖÀàID£¨Ä¬ÈÏÖµ0£©
Column_Path nvarchar(1000) ·ÖÀà·¾¶
Column_Depth int·ÖÀàÉî¶È(ĬÈÏÖµ0£©
Column_Order intÅÅÐò(ĬÈÏÖµ0)
Column_Intro nvarchar(1000)·ÖÀà˵Ã÷
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CREATE PROCEDURE sp_Column_Insert
(
@Parent_ID int,
@Column_Name nvarchar(50),
@Column_Intro nvarchar(1000)
)
AS
Declare @Err As int
Set @Err=0
Begin Tran
--ͨ¹ýÏÖÓмǼ»ñÈ¡À¸Ä¿ID
Declare @Column_ID As int
Declare @Column_Depth As int
Select @Column_ID = Max(Column_ID) from Tb_Column
IF @Column_ID Is Not Null
Set @Column_ID = @Column_ID+1
Else
Set @Column_ID = 1
--ÅжÏÊÇ·ñÊǶ¥¼¶À¸Ä¿£¬ÉèÖÃÆäColumn_PathºÍColumn_Order
Declare @Column_Path As nvarchar(1000)
Declare @Column_Order As int
IF @Parent_ID = 0
Begin
Set @Column_Path =Ltrim(Str(@Column_ID))
Select @Column_Order = Max(Column_Order) from Tb_Column
IF @Column_Order Is Not Null
Set @Column_Order = @Column_Order + 1
Else --Èç¹ûûÓвéѯµ½¼Ç¼£¬ËµÃ÷ÕâÊǵÚÒ»Ìõ¼Ç¼
Set @Column_Order = 1
--Éî¶È
Set @Column_Depth = 1
End
Else
Begin
--»ñÈ¡¸¸½ÚµãµÄ·¾¶ºÍÉî¶È
Select @Column_Path = Column_Path ,@Column_Depth = Column_Depth from Tb_Column Where
Column_ID=@Parent_ID
IF @Column_Path Is Null
Begin
Set @Err = 1
Goto theEnd
End
--»ñȡͬ¸¸½ÚµãϵÄ×
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