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How do I sum without duplicates
Message
From
17/09/2004 10:50:07
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivia
 
 
To
17/09/2004 10:44:47
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Miscellaneous
Thread ID:
00943380
Message ID:
00943383
Views:
17
select JobNumber, Quantity group by JobNumber;
  into cursor Temp1;
  nofilter
select sum(Quantity) as Quantity;
  from Temp1;
  into cursor Temp2
Because of an irregularity (in the code above) in the use of GROUP BY, you may have to change SET ENGINEBEHAVIOUR in newer versions of VFP.

>I have some values I'd like to sum up, but I want to skip any duplicate entries from the sum
>
>For instance a table with 2 fields, Jobnumber & quantity. Would have data like this:
>
>Jobnumber Quantity
>1 10
>1 10
>2 25
>2 25
>3 1
>4 2
>4 2
>4 2
>
>How can I sum the quantity field and come up with a total of 38.
>
>this is on a report so I cant do a no duplicates in the table.
>
>It would be really nice if I could "Calculate sum(qty) for jobnumer is unique"
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
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