inmonth - script and chart function

This function returns True if timestamp lies inside the month containing base_date.

Syntax:

InMonth (timestamp, base_date, period_no[, first_month_of_year])

Return data type: Boolean

Arguments:

Argument	Description
timestamp	The date that you want to compare with base_date.
base_date	Date that is used to evaluate the month.
period_no	The month can be offset by period_no. period_no is an integer, where the value 0 indicates the month which contains base_date. Negative values in period_no indicate preceding months and positive values indicate succeeding months.
first_month_of_year	The first_month_of_year parameter is disabled and reserved for future use.

Example

Result

inmonth ('25/01/2013', '01/01/2013', 0 )

Returns True

inmonth('25/01/2013', '01/04/2013', 0)

Returns False

inmonth ('25/01/2013', '01/01/2013', -1)

Returns False

inmonth ('25/12/2012', '01/01/2013', -1)

Returns True

Add the example script to your app and run it. Then add, at least, the fields listed in the results column to a sheet in your app to see the result.

This example checks if an invoice date falls at any time in the fourth month after the month in base_date, by specifying period_no as 4.

TempTable:

LOAD RecNo() as InvID, * Inline [

InvDate

28/03/2012

10/12/2012

5/2/2013

31/3/2013

19/5/2013

15/9/2013

11/12/2013

2/3/2014

14/5/2014

13/6/2014

7/7/2014

4/8/2014

];

InvoiceData:

LOAD *,

InMonth(InvDate, '31/01/2013', 4) AS InMthPlus4

Resident TempTable;

Drop table TempTable;

The resulting table contains the original dates and a column with the return value of the inmonth() function.

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