I want to do calculation between date/time fields

Post Author: fmonsma
CA Forum: Publishing
Hi, I already post this question a couple of times but I can't make it work.
IST:I have converted a date/time field to a field so i can make calculation on it but i don't know ho to convert it to minuts;seconds.
Starttime - Endtime - Convert begin - Convertend - convertsumbegin - convertsumend - difference between31-7 12:39:00 - 31-07 13:08:00 - 123900 - 010800 - 123.900 - 10.800 - -113.100
SOLL
Start time - Endtime - Differencebetween12:39 - 13:08 - 0:29
If i make this calculation in Excel it's very simple and works perfect. I want this in my Webintelligence report but don't know which functions/script i need to have. Thanks;

Post Author: jsanzone
CA Forum: Publishing
fmonsma:
Based on the sample data that you provide, it appears that you want to be able to report data based on the number of minutes that have elapsed between "Starttime" and "Endtime". Looking at the WebI Variable Editor functions in the "Date & Time" functions list, it does not appear that there are any capability to determine elapsed minutes (it appears that the only "time" of the "Date & Time" functions is the "CurrentTime" function, not much else in regards to time...)
You don't mention the database platform you are using, however, if you happen to be using MS SQL Server, then they have the DATEDIFF function. Within DATEDIFF the parameters are: DATEDIFF ( datepart , startdate , enddate ), where datepart specificies any of the following facts: Year, quarter, Month, dayofyear, Day, Week, Hour, minute, second, millisecond
Bottom line, you will most likely not be able to rely on WebI to determine the elapsed seconds and you'll have to set up an object within your Universe to do the work on the database server and bring it across to your reports that way.

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