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Oracle® OLAP DML Reference
11g Release 2 (11.2)

Part Number E17122-05
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$COUNTVAR

The $COUNTVAR property specifies the same behavior as that specified by a COUNTVAR clause in an AGGREGATE command or an AGGREGATE function. By adding an $COUNTVAR property to a variable you can ensure this behavior when the variable is aggregated — even when it is aggregated by an AGGREGATE statement does not include the COUNTVAR clause.

The behavior specified by both the $COUNTVAR property and the COUNTVAR clause is that Oracle OLAP uses a variable that you have previously-defined (sometimes called a Countvar variable) to store the non-NA counts of the number of leaf nodes that contributed to aggregate values calculated for RELATION (for aggregation) statements that have an AVERAGE, HAVERAGE, HWAVERAGE, or WAVERAGE operator.

Note:

Typically, you do not use a user-defined Countvar variable to store the counts for average aggregations; instead, you use an Oracle OLAP-created Aggcount variable. You cannot use a Countvar variable when the aggregation specification includes a RELATION (for aggregation) statement with an average operator is for a compressed composite. See "Aggcount Variables" for more information.

Syntax

You add or delete a $COUNTVAR property to the most recently defined or considered object (see DEFINE and CONSIDER commands) using a PROPERTY statement:

Parameters

countvar

A TEXT expression that specifies the name of a previously defined Countvar variable. The Countvar variable must be an INTEGER variable with the same dimensions in the same order as the dimensions as the variable on which you add the $COUNTVAR property.

Examples

Example 4-6 Using $COUNTVAR

For a variable named v1, the following statements cause Oracle OLAP to count the number of leaf nodes that contributed to an aggregate value that is the result of the execution of the myaggmap aggmap object by a AGGREGATE function.

CONSIDER v1
PROPERTY '$COUNTVAR' 'mycountvar'