v1

type FunctionPersister struct{}

type LocationPersister struct{}

type MappingPersister struct{}

type Persister[T any] interface {
	PersisterName
	Schema() *parquet.Schema
	Deconstruct(parquet.Row, uint64, T) parquet.Row
	Reconstruct(parquet.Row) (uint64, T, error)
	SortingColumns() parquet.SortingOption
}

type PersisterName interface {
	Name() string
}

type Profile struct {
	// A unique UUID per ingested profile
	ID uuid.UUID `parquet:",uuid"`

	// SeriesIndex references the underlying series and is generated when
	// writing the TSDB index. The SeriesIndex is different from block to
	// block.
	SeriesIndex uint32 `parquet:",delta"`

	// SeriesFingerprint references the underlying series and is purely based
	// on the label values. The value is consistent for the same label set (so
	// also between different blocks).
	SeriesFingerprint model.Fingerprint `parquet:"-"`

	// The set of samples recorded in this profile.
	Samples []*Sample `parquet:",list"`

	// frames with Function.function_name fully matching the following
	// regexp will be dropped from the samples, along with their successors.
	DropFrames int64 `parquet:",optional"` // Index into string table.
	// frames with Function.function_name fully matching the following
	// regexp will be kept, even if it matches drop_frames.
	KeepFrames int64 `parquet:",optional"` // Index into string table.
	// Time of collection (UTC) represented as nanoseconds past the epoch.
	TimeNanos int64 `parquet:",delta,timestamp(nanosecond)"`
	// Duration of the profile, if a duration makes sense.
	DurationNanos int64 `parquet:",delta,optional"`
	// The number of events between sampled occurrences.
	Period int64 `parquet:",optional"`
	// Freeform text associated to the profile.
	Comments []int64 `parquet:",list"` // Indices into string table.
	// Index into the string table of the type of the preferred sample
	// value. If unset, clients should default to the last sample value.
	DefaultSampleType int64 `parquet:",optional"`
}

type ProfilePersister struct{}

type ReadWriter[T any, P Persister[T]] struct{}

type Sample struct {
	StacktraceID uint64             `parquet:",delta"`
	Value        int64              `parquet:",delta"`
	Labels       []*profilev1.Label `parquet:",list"`
}

type Stacktrace struct {
	LocationIDs []uint64 `parquet:",list"`
}

type StacktracePersister struct{}

type StoredString struct {
	ID     uint64 `parquet:",delta"`
	String string `parquet:",dict"`
}

type StringPersister struct{}