Non-String Operator
<CustomFilterField> <FieldRef levelType="ZBKS.Book" category="PDF"> <FieldName>PromotionalDiscount</FieldName> </FieldRef> <Hidden>false</Hidden> <Type>DOUBLE</Type> <AllowOperatorSelection>true</AllowOperatorSelection> <SimpleMapping sqlName="PROMOTIONAL_DISCOUNT"/></CustomFilterField>Provide the following statement in your where clause to consider the operator value.
${filterIfNotNull:PROMOTIONAL_DISCOUNT,promotional_discount ${operator:PROMOTIONAL_DISCOUNT, $PROMOTIONAL_DISCOUNT$}}