Struct JoinIterator

pkg/parquetquery/iters.go:981–988

JoinIterator joins two or more iterators for matches at the given definition level. I.e. joining at definitionLevel=0 means that each iterator must produce a result within the same root node.

// I.e. joining at definitionLevel=0 means that each iterator must produce a result
// within the same root node.
type JoinIterator struct {
	definitionLevel int
	iters           []Iterator
	peeks           []*IteratorResult
	pred            GroupPredicate
	pool            *ResultPool
	at              *IteratorResult
}

var _ Iterator = (*JoinIterator)(nil)