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Create record counter by group
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À
17/11/2011 08:48:59
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Versions des environnements
Visual FoxPro:
VFP 8
Divers
Thread ID:
01529015
Message ID:
01529124
Vues:
38
>>Hi All,
>>
>>May I know how to use the sql to count a record by grouping.
>>example:
>>
>>Table A
>>======
>>Receipt DiscountDesc DiscountAmt
>>1000 10% discount 10
>>1000 20% discount 20
>>1001 10% discount 10
>>1002 50% discount 50
>>1002 10% dsicount 10
>>
>>
>>How to include the running number /counter in record by receipt group such as the output is:
>>
>>Receipt DiscountDesc DiscountAmt Counter
>>1000 10% discount 10 1
>>1000 20% discount 20 2
>>1001 10% discount 10 1
>>1002 50% discount 50 1
>>1002 10% dsicount 10 2
>>
>>Thanks for your help in advance.
>
>Take a look at the message I just posted in the Report Designer section in the thread "Variable to count distinct number." What you need is a variation on what that poster needs. You use the same basic strategy, but change what you're counting.
>
>Tamar

The main thing is, that it's very hard to get in the select statement in VFP8. Easier in VFP9 with projection.
If it's not broken, fix it until it is.


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