transaction

type EventstoreTransaction struct {
	BoltTx                  *bolt.Tx
	Bolt                    *bolt.DB
	NewChunks               []*wtypes.ChunkSpec
	ShipFiles               []*wtypes.LongTermShippableFile
	FilesToDisengageWalFor  []string
	NeedsWALCompaction      []string
	FilesToOpen             []string
	FilesToClose            []string
	WriteOps                []*Write
	AffectedStreams         map[string]string // streamName => cursorSerialized
	SubscriberNotifications []*wtypes.SubscriberNotification
	NonMetaLinesAdded       int // only for metrics
}

type Write struct {
	Filename string
	Buffer   []byte
	Position int64
}