在 SQL 服务器中使用 CTE 插入查询

Question

我想使用 CTE 从另一个 table 插入一个 table。我试过在 with 前加分号，但没用。

这是我的查询：

INSERT INTO [autoFIE2].[dbo].[tbl_article_type_parent_child] ([art_typ_parent_index], [art_typ_child_index])
WITH article_type_list AS
(
    SELECT 
       art_typ_child_index, art_typ_parent_index
    FROM
       [autoFIE2].[dbo].[tbl_article_type_parent_child]  
    WHERE 
       art_typ_parent_index IS NULL 
    UNION ALL
    SELECT 
       a.art_typ_child_index, a.art_typ_parent_index
    FROM
       [autoFIE2].[dbo].[tbl_article_type_parent_child] A 
    INNER JOIN 
       article_type_list as AL ON a.art_typ_parent_index = al.art_typ_child_index
    WHERE 
       a.art_typ_parent_index IS NOT NULL)
SELECT * 
FROM article_type_list;

执行此语句时出错：-

Msg 156, Level 15, State 1, Line 4
Incorrect syntax near the keyword 'with'.

Msg 319, Level 15, State 1, Line 4
Incorrect syntax near the keyword 'with'. If this statement is a common table expression, an xmlnamespaces clause or a change tracking context clause, the previous statement must be terminated with a semicolon.

我应该怎么做才能将此分层数据插入另一个 table。有什么建议吗？

Answer 1

首先声明 cte，然后从 select 列表中插入 cte:

;WITH article_type_list AS
(
    SELECT 
       art_typ_child_index, art_typ_parent_index
    FROM
       [autoFIE2].[dbo].[tbl_article_type_parent_child]  
    WHERE 
       art_typ_parent_index IS NULL 
    UNION ALL
    SELECT 
       a.art_typ_child_index, a.art_typ_parent_index
    FROM
       [autoFIE2].[dbo].[tbl_article_type_parent_child] A 
    INNER JOIN 
       article_type_list as AL ON a.art_typ_parent_index = al.art_typ_child_index
    WHERE 
       a.art_typ_parent_index IS NOT NULL
)
INSERT INTO [autoFIE2].[dbo].[tbl_article_type_parent_child] 
([art_typ_parent_index], [art_typ_child_index])
SELECT * FROM article_type_list;

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