leveldb

package module

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Versions in this module

v1

v1.0.1

Nov 12, 2022

Changes in this version

+ var SnapshotClosed = errors.New("snapshot closed")

+ func MapError(err string) error

type Database

+ func (db *Database) Snapshot() (*Snapshot, error)

+ func (db *Database) Stats() Statistics

+ type Snapshot struct

+ func (s *Snapshot) Close()

+ func (s *Snapshot) Get(key []byte) ([]byte, error)

+ func (s *Snapshot) Lookup(lower []byte, upper []byte) (LookupIterator, error)

+ type Statistics struct

+ NumberOfSegments int

v1.0.0

Sep 18, 2022

Changes in this version

+ const ApplyPartial

+ const DiscardPartial

+ const ReturnOpenError

+ type KeyComparison func([]byte, []byte) int

type Options

+ BatchReadMode batchReadMode

+ DisableAutoMerge bool

+ UserKeyCompare KeyComparison

v0

v0.1.2

Sep 14, 2022

v0.1.1

Sep 13, 2022

Changes in this version

type Options

+ DisableWriteFlush bool

+ EnableSyncWrite bool

v0.1.0

Sep 12, 2022

Changes in this version

+ var DatabaseClosed = errors.New("database closed")

+ var DatabaseCorrupted = errors.New("database corrupted, run repair")

+ var DatabaseInUse = errors.New("database in use")

+ var EmptyKey = errors.New("key is empty")

+ var EndOfIterator = errors.New("end of iterator")

+ var KeyNotFound = errors.New("key not found")

+ var KeyTooLong = errors.New("key too long, max 1024")

+ var NoDatabaseFound = errors.New("no database found")

+ var NotADirectory = errors.New("path is not a directory")

+ var NotValidDatabase = errors.New("path is not a valid database")

+ var ReadOnlySegment = errors.New("read only segment")

+ func IsValidDatabase(path string) error

+ func KeyValueCompare(a KeyValue, b KeyValue) int

+ func Remove(path string) error

+ type Database struct

+ func Open(path string, options Options) (*Database, error)

+ func (db *Database) Close() error

+ func (db *Database) CloseWithMerge(segmentCount int) error

+ func (db *Database) Get(key []byte) (value []byte, err error)

+ func (db *Database) Lookup(lower []byte, upper []byte) (LookupIterator, error)

+ func (db *Database) Put(key []byte, value []byte) error

+ func (db *Database) Remove(key []byte) ([]byte, error)

+ func (db *Database) Write(wb WriteBatch) error

+ type Deleter interface

+ type KeyValue struct

+ func Key(key []byte) KeyValue

+ type LookupIterator interface

+ Next func() (key []byte, value []byte, err error)

+ type Options struct

+ CreateIfNeeded bool

+ DisableBgMerge bool

+ MaxMemoryBytes int

+ MaxSegments int

+ type SkipList struct

+ func NewSkipList(cmp func(K, K) int) SkipList[K]

+ func (s *SkipList[K]) Contains(key K) bool

+ func (s *SkipList[K]) Iterator() iterator[K]

+ func (s *SkipList[K]) Put(key K) K

+ type WriteBatch struct

+ func (wb *WriteBatch) Put(key []byte, value []byte)

+ func (wb *WriteBatch) Remove(key []byte)

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