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How to implements "select tmp.tagid from (exec store_procedure) tmpA"

Posted on 2005-04-18
Medium Priority
Last Modified: 2008-03-17
I have a procedure A which is something 'Select * from TBL A'. But procedure is very long actraully.

Another procedure will select single field from result of the procedure A.
I can repeat that exactly part in procedure A,so like procedure B become
select tmpA.tagid from (Select * from TBL A) tmpA
but I dont want to repeat the code of procedure A in Procedure B.

Is there something like--
Select tmpA.tagid from (exec procedureA) tmpA

thank you every much
Question by:yangbin991

Expert Comment

ID: 13806884
There is - use a user defined function. I'm not much good at them so please look in books online, or wait for somebody to tell you exactly how to do it.


Accepted Solution

tlovie earned 180 total points
ID: 13818997
One way that I've accomplished this is to create a temporary table to hold the results of the proceure A
>>  CREATE TABLE #tmpA (Field1 int, Field2 int, ...)

Then you insert the data from the procedure into the temporary table:
>>  EXEC procedureA

Then finally select the fields you want

>>  SELECT Field1 FROM #tmpA

You can encapsulate this into another procedure, that way if you change the way the procedure A operates you don't have to maintain code in 2 places.

Hope this helps. :)

Author Comment

ID: 13830988
thank tloie.

create tmp table actrually is not good. because it should be slow down the process. But seems only this way to solve.

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