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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [solved]How to match F1.tdate <= F2.xdate?

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[solved]How to match F1.tdate <= F2.xdate?
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Hua
Guru
posted
Let's say we have a transaction file f1 with transaction tdate, and the exchange rate file f2 with date of rate xdate. The exchange rate used to update once a month on the 1st day. Now it is required to update on weekly basis, can't assume that it happens on Mondays.
My report requires to calculate some amounts with the exchange rates on the date of transaction.
How can I determine f1.tdate <= highest 1 f2.xdate? for example, rates are set on sep 01, 06, 13...

f1.tdate        f2.xdate
--------        -------- 
sep 01          sep 01
sep 02          sep 01
sep 03          sep 01
sep 06          sep 06
sep 07          sep 06
sep 08          sep 06
sep 09          sep 06
sep 10          sep 06
sep 13          sep 13
...


Thanks.

Hua

This message has been edited. Last edited by: Hua,


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Posts: 305 | Location: Winnipeg,MB | Registered: May 12, 2008Report This Post
Hua
Guru
posted Hide Post
Because of other selection criteria, there could be no transactions for the 2nd week of september, therefore the rate set in sept 6 would not be referred.


Developer Studio 7.6.11
AS400 - V5R4
HTML,PDF,XLS
 
Posts: 305 | Location: Winnipeg,MB | Registered: May 12, 2008Report This Post
Hua
Guru
posted Hide Post
I found a calendar file somewhere in our db and use it to join to the exchange rate file, populate the missing rates with the previous day's rate. Now the transaction file can join the temp daily rate file.
I am OK right. Thanks.

Hua


Developer Studio 7.6.11
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Posts: 305 | Location: Winnipeg,MB | Registered: May 12, 2008Report This Post
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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [solved]How to match F1.tdate <= F2.xdate?

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