예제 #1
0
// CreateIterator returns an iterator for the data in the shard.
func (s *Shard) CreateIterator(opt influxql.IteratorOptions) (influxql.Iterator, error) {
	if err := s.ready(); err != nil {
		return nil, err
	}

	if influxql.Sources(opt.Sources).HasSystemSource() {
		return s.createSystemIterator(opt)
	}
	opt.Sources = influxql.Sources(opt.Sources).Filter(s.database, s.retentionPolicy)
	return s.engine.CreateIterator(opt)
}
예제 #2
0
// CreateIterator returns an iterator for the data in the shard.
func (s *Shard) CreateIterator(opt influxql.IteratorOptions) (influxql.Iterator, error) {
	if s.closed() {
		return nil, ErrEngineClosed
	}

	if influxql.Sources(opt.Sources).HasSystemSource() {
		return s.createSystemIterator(opt)
	}
	opt.Sources = influxql.Sources(opt.Sources).Filter(s.database, s.retentionPolicy)
	return s.engine.CreateIterator(opt)
}