NewEngine returns a new instance of Engine.

WALPartition returns the partition number that key belongs to.

Format is the file format name of this engine.

WALPartitionN is the number of partitions in the write ahead log.

ErrWALPartitionNotFound returns when flushing a partition that does not exist.

Cursor provides ordered iteration across a series.

Engine represents a version 1 storage engine.

Tx represents a transaction.