Returns the difference between the current value and the value of an earlier period at the same level.
The template presents a measure of the analytic view, an attribute dimension the analytic view is dimensioned by, a hierarchy that uses the attribute dimension, and a number that specifies the offset from the current member. To select a different measure, attribute dimension, hierarchy, or number, click the underlined value in the template and make a selection from the Select Measures dialog box or the drop-down list or enter a different number value.
Template
Difference from future period for the measure name measure for the attribute dimension alias attribute dimension and the hierarchy alias hierarchy number period ahead.
Example: Example of Future Period
The sales_future_period calculated measure has the measure value for the hierarchy member that is one member after the current member at the same level.
Calculation in Template
Future period for SALES in TIME_ATTR_DIM and TIME_HIER hierarchy 1 period ago.
Definition of Calculated Measure in Analytic View
The MEASURES clause of the SALES_AV analytic view definition includes this definition of the sales_future_period calculated measure:
sales_future_period AS LEAD (SALES) OVER (HIERARCHY TIME_HIER OFFSET 1)
SELECT Statement Using the Calculated Measure
Query the analytic view, selecting sales and sales_future_period values.
SELECT time_hier.member_name as TIME,
sales,
sales_future_period
FROM
sales_av HIERARCHIES(time_hier)
WHERE time_hier.level_name IN ('YEAR','QUARTER')
ORDER BY time_hier.hier_order;
Results of the Query
TIME SALES SALES_FUTURE_PERIOD -------- ---------- ------------------- CY2011 6755115981 6901682399 Q1CY2011 1625299627 1715160208 Q2CY2011 1715160208 1691017693 Q3CY2011 1691017693 1723638452 Q4CY2011 1723638452 1644857783 CY2012 6901682399 7240938718 Q1CY2012 1644857783 1752414182 Q2CY2012 1752414182 1732373412 Q3CY2012 1732373412 1772037022 Q4CY2012 1772037022 1723571458 CY2013 7240938718 7579746353 Q1CY2013 1723571458 1840985832 Q2CY2013 1840985832 1821918664 Q3CY2013 1821918664 1854462764 Q4CY2013 1854462764 1809855822 CY2014 7579746353 7941102885 Q1CY2014 1809855822 1929427229 Q2CY2014 1929427229 1900013511 Q3CY2014 1900013511 1940449791 Q4CY2014 1940449791 1908099573 CY2015 7941102885 (null) Q1CY2015 1908099573 2018132033 Q2CY2015 2018132033 1989225699 Q3CY2015 1989225699 2025645581 Q4CY2015 2025645581 (null)