• SQL Server 存储过程返回结果集的几种方式


    SQL Server 返回结果集的几种方式

    2017年12月18日 21:52:24 xxc1605629895 阅读数 7033更多

    分类专栏: sqlserver

    版权声明:本文为博主原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。

    本文链接:https://blog.csdn.net/xxc1605629895/article/details/78837527

    最近用到了SQL Server的几种结果集返回方法,这里整理如下(注:使用SQL Server 的  AdventureWorks2008 示例数据库

    1. 使用 Table Function 返回结果集

    
     
    1. -- 1. table function

    2. use AdventureWorks2008

    3. go

    4.  
    5. if exists (

    6. select 1

    7. from sys.objects

    8. where [type] in (N'TF' ,N'IF' ,N'FN')

    9. and name = 'fn_getPerson'

    10. )

    11. drop function dbo.fn_getPerson

    12. go

    13.  
    14. create function dbo.fn_getPerson

    15. (

    16. @EntityID int

    17. )

    18. returns @result table (EntityID int ,PersonType varchar(10) ,FirstName varchar(50) ,LastName varchar(50))

    19. as

    20. begin

    21. insert into @result

    22. (

    23. EntityID

    24. ,PersonType

    25. ,FirstName

    26. ,LastName

    27. )

    28. select BusinessEntityID

    29. ,PersonType

    30. ,FirstName

    31. ,LastName

    32. from Person.Person

    33. where BusinessEntityID = @EntityID

    34.  
    35. return -- return must be last sql

    36. end

    37. go

    38.  
    39.  
    40. print('dbo.fn_getPerson has been created.')

    41.  
    42. -- select * from dbo.fn_getPerson(1)

    2. 使用 Inline Function 返回结果集

    
     
    1. -- 3. inline function

    2. use AdventureWorks2008

    3. go

    4.  
    5. if exists (

    6. select 1

    7. from sys.objects

    8. where [type] in (N'TF' ,N'IF' ,N'FN')

    9. and name = 'fn_getPerson2'

    10. )

    11. drop function dbo.fn_getPerson2

    12. go

    13.  
    14. create function dbo.fn_getPerson2

    15. (

    16. @EntityID int

    17. )

    18. returns table

    19. as

    20. return

    21. select BusinessEntityID

    22. ,PersonType

    23. ,FirstName

    24. ,LastName

    25. from Person.Person

    26. where BusinessEntityID = @EntityID

    27. go

    28.  
    29. print('dbo.fn_getPerson2 has been created.')

    30.  
    31. -- select * from dbo.fn_getPerson2(1)

    3. 使用存储过程返回结果集

    
     
    1. -- 3. procedure

    2. use AdventureWorks2008

    3. go

    4.  
    5. if exists (

    6. select 1

    7. from sys.procedures

    8. where name = 'usp_getPerson'

    9. )

    10. drop procedure dbo.usp_getPerson

    11. go

    12.  
    13. create procedure dbo.usp_getPerson

    14. (

    15. @EntityID int

    16. )

    17. as

    18. begin

    19. --....... do some process

    20.  
    21. -- result of last query will return

    22. select BusinessEntityID

    23. ,PersonType

    24. ,FirstName

    25. ,LastName

    26. from Person.Person

    27. where BusinessEntityID = @EntityID

    28.  
    29. end

    30. go

    31.  
    32.  
    33. print('dbo.usp_getPerson has been created.')

    34.  
    35. -- exec dbo.usp_getPerson @EntityID = 1

    注:SQL Server 只返回最后一条查询的结果集

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  • 原文地址:https://www.cnblogs.com/grj001/p/12224093.html
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