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Subtracting 1 year from a single Parameter that prompts for a date range

I have a single parameter that prompts the user for a date range.

I can display the values from the prompt, but I'd also like to display the values for the same period one year in the past.

For instance if the user enters 1/1/2014 to 5/30/2014 I want to display 1/1/2013 to 5/30/2013.

Thanks for the help.

W

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  • Best Answer
    Posted on Jun 11, 2014 at 10:46 PM

    hi Wade,

    try something like this in your Report > Selection Formula > Record editor...substituting the fields and parameters for your own...

    {Orders.Order Date} in {?DateRange}

    or

    {Orders.Order Date} in dateadd('yyyy', -1, minimum({?DateRange})) to dateadd('yyyy', -1, maximum({?DateRange}))

    the above doesn't really handle leap years in the calc, but you'd need to specify exactly what kind of logic you'd want to use when a leap year comes into play.

    you could also use something like this

    {Orders.Order Date} in {?DateRange}

    or

    (

    {Orders.Order Date} >= date(year(minimum({?DateRange}))-1, month(minimum({?DateRange})), day(minimum({?DateRange}))) and

    {Orders.Order Date} <= date(year(maximum({?DateRange}))-1, month(maximum({?DateRange})), day(maximum({?DateRange})))

    )

    check the Database menu > Show SQL Query to see how these two are processed, especially with leap years...i.e. enter 02/29/2016 as the start date to your parameter. you'll need to figure out how you want to handle these exceptions.

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