custom sql server YTD function

• metalray

  SSCommitted

  Points: 1647

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  May 5, 2009 at 3:27 am

  #202840

  Hello,

  I am looking to write a custom sql server 2005 function that

  does the year to date trick for me.

  my (simplified) tables look like this:

  --------current------------

  CarPeriodCostForMonth

  BMW10935

  Honda20910

  BMW10915

  --------planned------------

  CarmonthCostForMonth

  BMW10935

  BMW1095

  Honda20810

  BMW10955

  Does any of you have attempted that before and might give

  me some advice?

  a group by where month = 'P109' gives me the 109's which then have

  to be added to the P209's. writing tons of group by's becomes a mess thats why I am looking at a function.

  thanks

• Jack Corbett

  SSC Guru

  Points: 184388

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  May 5, 2009 at 7:23 am

  #988768

  What does the data in the month column represent? Does 109 mean January 2009? If it does then I would write something like this:

  Select

  Car,

  Right(month, 2) as year,

  Sum(CostForMonth) as ytd_cost

  From

  current

  Group By

  Car,

  Right(month, 2)

  Jack Corbett
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