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function tunning [message #384762]

Thu, 05 February 2009 01:55

mohannksr
Messages: 28
Registered: January 2009

Junior Member

hi,

i have attached a function.
does anyone tell me how to tune it...?

Attachment: get_actual_vpf_date.txt
(Size: 0.89KB, Downloaded 1227 times)

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Re: function tunning [message #384764 is a reply to message #384762]

Thu, 05 February 2009 02:03

Michel Cadot
Messages: 68737
Registered: March 2007
Location: Saint-Maur, France, https...

Senior Member
Account Moderator

You can do it in a single SQL statement using ROW_NUMBER function.

By the way, if you can have rows with same from_date your code is not deterministic.

Regards
Michel

[Updated on: Thu, 05 February 2009 02:03]

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Re: function tunning [message #384765 is a reply to message #384764]

Thu, 05 February 2009 02:08

mohannksr
Messages: 28
Registered: January 2009

Junior Member

Thanks a lot michel.

i have replaced the for loop
with the single query.....

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