2015-08-21 425 views
0

我有一個這樣的表;SQL選擇組織樹(層次結構)的查詢

CREATE TABLE [dbo].[TH_ORGANIZATION] 
(
    [ID_CORGANIZATION] [decimal](18, 0) IDENTITY(1,1) NOT NULL, 
    [ID_CCOMPANY] [nvarchar](10) NOT NULL, 
    [CORGANIZATION_NAME_tr] [nvarchar](100) NULL, 
    [CORGANIZATION_NAME_en] [nvarchar](100) NULL, 
    [CORGANIZATION_MAN_ID_CEMP] [decimal](10, 0) NULL, 
    [CORGANIZATION_UPLINK_ID] [decimal](18, 0) NULL, 
    [CACTIVE] [bit] NOT NULL CONSTRAINT [DF_TH_ORGANIZATION_CACTIVE] DEFAULT ((1)), 

    CONSTRAINT [PK_TH_ORGANIZATION] 
     PRIMARY KEY CLUSTERED ([ID_CORGANIZATION] ASC) 
      WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, 
       IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, 
       ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] 
) ON [PRIMARY] 
GO 

現在我想寫一個SQL查詢來獲取我的組織樹。主欄爲ID_CORGANIZATION,子組織與CORGANIZATION_UPLINK_ID欄連接同一張表。

任何想法?


現在最好的解決辦法是

WITH temp as(SELECT * FROM TH_ORGANIZATION WHERE ID_CORGANIZATION = '3' UNION ALL SELECT ei.* FROM TH_ORGANIZATION ei INNER JOIN temp x ON ei.CORGANIZATION_UPLINK_ID = x.ID_CORGANIZATION ") SELECT * FROM temp 
+2

[SQL很好地檢索樹結構]的可能重複(http://stackoverflow.com/questions/3555101/sql-to-retrieve-tree-structure-nicely) –

回答

0
SELECT * FROM TH_ORGANIZATION As O, 
    TH_ORGANIZATION As Sub 
WHERE O.ID_CORGANIZATION 
    = Sub.CORGANIZATION_UPLINK_ID; 

你會得到組織的列表,及其子機構,遞歸。當然你也可以訂購清單。

如果你想在所有的一列,你可以使用一個外部聯接這樣的(因此只選擇O. *):

SELECT O.* FROM th_organization As O 
LEFT OUTER JOIN th_organization As Sub 
ON O.id_corganization 
    = Sub.corganization_uplink_id; 

示例(我使用的縮寫),你應該得到這樣的名單:

我發現
id_c uplink_id name 
    1    OrgA 
    2    OrgB 
11  1  subA 
12  1  subB 
21  2  sub2 
111  11  subsubA 
+0

您的查詢不適合我。我最好的查詢是「WITH temp as(SELECT * FROM TH_ORGANIZATION WHERE ID_CORGANIZATION ='3'UNION ALL SELECT ei。* FROM TH_ORGANIZATION ei INNER JOIN temp x ON ei.CORGANIZATION_UPLINK_ID = x.ID_CORGANIZATION )SELECT * FROM temp sql + = @「WHERE ID_CCOMPANY = @ idCompany」; sql + = @「ORDER BY CORGANIZATION_SORTNO」; – user5192770

0

我最好的解決辦法:

WITH temp as(SELECT * FROM TH_ORGANIZATION WHERE ID_CORGANIZATION = '3' UNION ALL SELECT ei.* FROM TH_ORGANIZATION ei INNER JOIN temp x ON ei.CORGANIZATION_UPLINK_ID = x.ID_CORGANIZATION ") SELECT * FROM temp 

注: '3' 我開始組織ID