orm.go
func (f *Field) FilterAttrTopN(n uint64, row *PQLRowQuery, attrName string, attrValues ...interface{}) *PQLRowQuery {
	return f.filterAttrTopN(n, row, attrName, attrValues...)
}
func (f *Field) FilterAttrTopN(n uint64, row *PQLRowQuery, attrName string, attrValues ...interface{}) *PQLRowQuery {
	return f.filterAttrTopN(n, row, attrName, attrValues...)
}
func ( f * Field ) FilterAttrTopN ( n uint64 , row * PQLRowQuery , attrName string , attrValues ... interface { } ) * PQLRowQuery { return f . filterAttrTopN ( n , row , attrName , attrValues ... ) }
// FilterAttrTopN creates a TopN query with the given item count, row, attribute name and filter values for that field
// The attrName and attrValues arguments work together to only return Rows which have the attribute specified by attrName with one of the values specified in attrValues.
FilterAttrTopN creates a TopN query with the given item count row attribute name and filter values for that field The attrName and attrValues arguments work together to only return Rows which have the attribute specified by attrName with one of the values specified in attrValues .