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Fetching Multiple Records Through Functions  RSS feed

 
Skanda Raman
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I have a requirement to find the max of purchase for the user and then find the avg of those max records retrieved. So i created a procedure which joins multiple tables and hence calling the below function for one of those columns.



While executing this part of function in sql prompt, i am getting blank output, although the query when executed outside the function gives 45 records.

Also, please let me know how can i find the avg of all the values from max(purchase) and put that to avgsales variable and return that to the procedure.
 
John Bengler
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Hi Eshwar,

I think you just forgot something: You never assign a value to variable avgsales.

How do you call your function? The only way this would return 45 rows is if you perform the select with a where clause which would return 45 rows (or without a where clause on a table containing 45 rows), and all of them would be the same, since you have no IN parameters in your function..


Regards,


John
 
It is sorta covered in the JavaRanch Style Guide.
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