Convert date to Integer for Cognos Drill Through

We can pass dates as number for drill through report if there is  range filter is involved from in built date prompt:

Steps:

1.       In Detail report, Create data item where filter is applied on date range
[IntegerDate]
extract(year,[Date1]) *10000 + extract(month,[Date1])*100+extract(day,[Date1])

2.       In Detail report, Apply filter - [IntegerDate] between ?date1? and ?date2?

3.       In Summary report list query add below data items:

Start Date:
extract(year,[date1]) *10000 + extract(month,[date1])*100+extract(day,[date1])

End Date:
extract(year,[date2]) *10000 + extract(month,[date2])*100+extract(day,[date2])

4.       Update Drill through to pass new data items for ?date1? and ?date2?

For single date passing via value prompt, it can be passed as To_Char/cast to compare and pass.




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