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SQL Server 2005
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T-SQL (SS2K5)
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Call Stored Procedure from a Function
15 posts, Page 1 of 2
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Call Stored Procedure from a Function
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ishaan99
ishaan99
Posted Monday, December 08, 2008 9:49 AM
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Group: General Forum Members
Last Login: Today @ 9:42 AM
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Has anyone tried calling a stored procdure from a user defined function. I have a procedure as Proc_XXX with 7 parameters if i do exec Proc_XXX(null,null,null,null,null,'1/1/1998','1/1/2007') i am getting the result set. Is it possible to have the same results when calling thru a function .
call Proc_XXX(null,null,null,null,null,'1/1/1998','1/1/2007')
any help on this will be greatly appreciated. TIA
Post #615647
Ninja's_RGR'us
Ninja's_RGR'us
Posted Monday, December 08, 2008 10:05 AM
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Can't be done... and shouldn't be done (by design).
What exactly do you want to do?
Post #615663
Matt Miller (#4)
Matt Miller (#4)
Posted Monday, December 08, 2008 10:21 AM
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Ninja's_RGR'us (12/8/2008)
Can't be done... and shouldn't be done (by design).
What exactly do you want to do?
Can't be done in
T-SQL
functions. You might be able to get away with it through CLR (depending on what is being done). That being said - totally agree about the SHOULDN'T part...
----------------------------------------------------------------------------------
Your lack of planning does not constitute an emergency on my part...unless you're my manager...or a director and above...or a really loud-spoken end-user..All right - what was my emergency again?
Post #615670
laubenth
laubenth
Posted Monday, December 08, 2008 10:21 PM
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ishaan99 (12/8/2008)
Has anyone tried calling a stored procdure from a user defined function. I have a procedure as Proc_XXX with 7 parameters if i do exec Proc_XXX(null,null,null,null,null,'1/1/1998','1/1/2007') i am getting the result set. Is it possible to have the same results when calling thru a function .
call Proc_XXX(null,null,null,null,null,'1/1/1998','1/1/2007')
any help on this will be greatly appreciated. TIA
Not sure how you feel about calling functions from functions but you could create this
Func_XXX(.....) Insert current proc code here making the proc a proper function
Proc_XXX(.....) Select * From Func_XXX(....)
Use Func_XXX from your other function.
Post #615933
Adi Cohn-120898
Adi Cohn-120898
Posted Monday, December 08, 2008 10:35 PM
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laubenth (12/8/2008)
ishaan99 (12/8/2008)
Has anyone tried calling a stored procdure from a user defined function. I have a procedure as Proc_XXX with 7 parameters if i do exec Proc_XXX(null,null,null,null,null,'1/1/1998','1/1/2007') i am getting the result set. Is it possible to have the same results when calling thru a function .
call Proc_XXX(null,null,null,null,null,'1/1/1998','1/1/2007')
any help on this will be greatly appreciated. TIA
Not sure how you feel about calling functions from functions but you could create this
Func_XXX(.....) Insert current proc code here making the proc a proper function
Proc_XXX(.....) Select * From Func_XXX(....)
Use Func_XXX from your other function.
If the code contains any insert/update/delete statements to permanent tables (e.g. not table variables and not temporary tables), it isn’t possible. Inside a function you can not modify data and can not execute stored procedure.
Adi
--------------------------------------------------------------
To know how to ask questions and increase the chances of getting asnwers:
http://www.sqlservercentral.com/articles/Best+Practices/61537/
For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/
Post #615936
Ninja's_RGR'us
Ninja's_RGR'us
Posted Tuesday, December 09, 2008 4:19 AM
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Exactly... that's because the servers needs to assume that the state of the DB and data will not change by calling the function (again, by design because the server would basically need to recompile the queries after each call to the function... which happens on every rows in the select). If you need to do such modifications, it needs to be done inside a proc.
Post #616014
SwePeso
SwePeso
Posted Tuesday, December 09, 2008 5:34 AM
SSCrazy
Group: General Forum Members
Last Login: Thursday, May 30, 2013 1:26 PM
Points: 2,359,
Visits: 3,293
It CAN be done if you use OPENROWSET with a loopback linked server.
If you should is another question.
N 56°04'39.16"
E 12°55'05.25"
Post #616051
Ninja's_RGR'us
Ninja's_RGR'us
Posted Tuesday, December 09, 2008 6:01 AM
SSC-Insane
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Last Login: Today @ 7:02 PM
Points: 21,376,
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... and you can open fire on the server run with a shotgun and call your service rep for a free replace of the servers too.
I wouldn't try that either!
MS designed it that way for a very specific reason, I can't recomend it enough to not do that!
Post #616063
SwePeso
SwePeso
Posted Wednesday, December 10, 2008 12:21 AM
SSCrazy
Group: General Forum Members
Last Login: Thursday, May 30, 2013 1:26 PM
Points: 2,359,
Visits: 3,293
I have a function where I call "sp_who2" and take database and username as parameters to the function.
Works great.
N 56°04'39.16"
E 12°55'05.25"
Post #616708
Ninja's_RGR'us
Ninja's_RGR'us
Posted Wednesday, December 10, 2008 12:33 AM
SSC-Insane
Group: General Forum Members
Last Login: Today @ 7:02 PM
Points: 21,376,
Visits: 9,584
I know... untill you start using sps that do DML, then you canget seriously screwed if you're not carefull... unsupported, I find another way!
Post #616716
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