Struct spanCollector

tempodb/encoding/vparquet4/block_traceql.go:3109–3115

This turns groups of span values into Span objects

// This turns groups of span values into Span objects
type spanCollector struct {
	minAttributes int

	nestedSetLeftExplicit   bool
	nestedSetRightExplicit  bool
	nestedSetParentExplicit bool
}

var _ parquetquery.GroupPredicate = (*spanCollector)(nil)