下面的SQL根据表之间的关系分隔表.问题出在3000系列下排序的表上.作为外键的一部分并且使用外键的表.有人最好有一些聪明的递归CTE或存储过程来进行必要的排序吗?连接到数据库的程序不被视为解决方案.
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WITH
AllTables(TableName) AS
(
SELECT OBJECT_SCHEMA_NAME(so.id) +'.'+ OBJECT_NAME(so.id)
FROM dbo.sysobjects so
INNER JOIN sys.all_columns ac ON
so.ID = ac.object_id
WHERE
so.type = 'U'
AND
ac.is_rowguidcol = 1
),
Relationships(ReferenceTableName, ReferenceColumnName, TableName, ColumnName) AS
(
SELECT
OBJECT_SCHEMA_NAME (fkey.referenced_object_id) + '.' +
OBJECT_NAME (fkey.referenced_object_id) AS ReferenceTableName
,COL_NAME(fcol.referenced_object_id,
fcol.referenced_column_id) AS ReferenceColumnName
,OBJECT_SCHEMA_NAME (fkey.parent_object_id) + '.' +
OBJECT_NAME(fkey.parent_object_id) AS TableName
,COL_NAME(fcol.parent_object_id, fcol.parent_column_id) AS ColumnName
FROM sys.foreign_keys AS fkey
INNER JOIN sys.foreign_key_columns AS fcol ON
fkey.OBJECT_ID = fcol.constraint_object_id
),
NotReferencedOrReferencing(TableName) AS
(
SELECT TableName FROM AllTables
EXCEPT
SELECT TableName FROM Relationships
EXCEPT
SELECT ReferenceTableName FROM Relationships
),
OnlyReferenced(Tablename) AS
(
SELECT ReferenceTableName FROM Relationships
EXCEPT
SELECT TableName FROM Relationships
),
-- These need to be sorted based on theire internal relationships
ReferencedAndReferencing(TableName, ReferenceTableName) AS
(
SELECT r1.Tablename, r2.ReferenceTableName FROM Relationships r1
INNER JOIN Relationships r2
ON r1.TableName = r2.ReferenceTableName
),
OnlyReferencing(TableName) AS
(
SELECT Tablename FROM Relationships
EXCEPT
SELECT ReferenceTablename FROM Relationships
)
SELECT TableName, 1000 AS Sorting FROM NotReferencedOrReferencing
UNION
SELECT TableName, 2000 AS Sorting FROM OnlyReferenced
UNION
SELECT TableName, 3000 AS Sorting FROM ReferencedAndReferencing
UNION
SELECT TableName, 4000 AS Sorting FROM OnlyReferencing
ORDER BY Sorting