orm.go
func (f *Field) RowTopN(n uint64, row *PQLRowQuery) *PQLRowQuery {
	q := NewPQLRowQuery(fmt.Sprintf("TopN(%s,%s,n=%d)",
		f.name, row.serialize(), n), f.index, nil)
	return q
}
func (f *Field) RowTopN(n uint64, row *PQLRowQuery) *PQLRowQuery {
	q := NewPQLRowQuery(fmt.Sprintf("TopN(%s,%s,n=%d)",
		f.name, row.serialize(), n), f.index, nil)
	return q
}
func ( f * Field ) RowTopN ( n uint64 , row * PQLRowQuery ) * PQLRowQuery { q := NewPQLRowQuery ( fmt . Sprintf ( " " , f . name , row . serialize ( ) , n ) , f . index , nil ) return q }
// RowTopN creates a TopN query with the given item count and row.
// This variant supports customizing the row query.
RowTopN creates a TopN query with the given item count and row . This variant supports customizing the row query .