orm.go
func NewPQLRowQuery(pql string, index *Index, err error) *PQLRowQuery {
	return &PQLRowQuery{
		index:   index,
		pql:     pql,
		err:     err,
		hasKeys: index.options.keys,
	}
}
func NewPQLRowQuery(pql string, index *Index, err error) *PQLRowQuery {
	return &PQLRowQuery{
		index:   index,
		pql:     pql,
		err:     err,
		hasKeys: index.options.keys,
	}
}
// NewPQLRowQuery creates a new PqlRowQuery.