db

Feb 21, 2022

Changes in this version

type GoLevelDB

+ func (db *GoLevelDB) ForceCompact(start, limit []byte) error

Nov 15, 2021

Changes in this version

type MemDB

+ func (db *MemDB) IteratorNoMtx(start, end []byte) (Iterator, error)

+ func (db *MemDB) ReverseIteratorNoMtx(start, end []byte) (Iterator, error)

Aug 4, 2021

retracted

Changes in this version

+ var ErrBatchClosed = errors.New("batch has been written or closed")

+ var ErrKeyEmpty = errors.New("key cannot be empty")

+ var ErrValueNil = errors.New("value cannot be nil")

Aug 12, 2020

Changes in this version

type BackendType

+ const BadgerDBBackend

Jun 24, 2020

Changes in this version

type Batch

+ Delete func(key []byte) error

+ Set func(key, value []byte) error

Nov 10, 2020

Changes in this version

+ func FileExists(filePath string) bool

+ func IsKeyInDomain(key, start, end []byte) bool

+ type BackendType string

+ const BoltDBBackend

+ const CLevelDBBackend

+ const GoLevelDBBackend

+ const MemDBBackend

+ const RocksDBBackend

+ type Batch interface

+ Close func()

+ Write func() error

+ WriteSync func() error

+ type DB interface

+ Close func() error

+ Delete func([]byte) error

+ DeleteSync func([]byte) error

+ Get func([]byte) ([]byte, error)

+ Has func(key []byte) (bool, error)

+ Iterator func(start, end []byte) (Iterator, error)

+ NewBatch func() Batch

+ Print func() error

+ ReverseIterator func(start, end []byte) (Iterator, error)

+ Set func([]byte, []byte) error

+ SetSync func([]byte, []byte) error

+ Stats func() map[string]string

+ func NewDB(name string, backend BackendType, dir string) DB

+ type GoLevelDB struct

+ func NewGoLevelDB(name string, dir string) (*GoLevelDB, error)

+ func NewGoLevelDBWithOpts(name string, dir string, o *opt.Options) (*GoLevelDB, error)

+ func (db *GoLevelDB) Close() error

+ func (db *GoLevelDB) DB() *leveldb.DB

+ func (db *GoLevelDB) Delete(key []byte) error

+ func (db *GoLevelDB) DeleteSync(key []byte) error

+ func (db *GoLevelDB) Get(key []byte) ([]byte, error)

+ func (db *GoLevelDB) Has(key []byte) (bool, error)

+ func (db *GoLevelDB) Iterator(start, end []byte) (Iterator, error)

+ func (db *GoLevelDB) NewBatch() Batch

+ func (db *GoLevelDB) Print() error

+ func (db *GoLevelDB) ReverseIterator(start, end []byte) (Iterator, error)

+ func (db *GoLevelDB) Set(key []byte, value []byte) error

+ func (db *GoLevelDB) SetSync(key []byte, value []byte) error

+ func (db *GoLevelDB) Stats() map[string]string

+ type Iterator interface

+ Close func()

+ Domain func() (start []byte, end []byte)

+ Error func() error

+ Key func() (key []byte)

+ Next func()

+ Valid func() bool

+ Value func() (value []byte)

+ func IteratePrefix(db DB, prefix []byte) (Iterator, error)

+ type MemDB struct

+ func NewMemDB() *MemDB

+ func (db *MemDB) Close() error

+ func (db *MemDB) Delete(key []byte) error

+ func (db *MemDB) DeleteSync(key []byte) error

+ func (db *MemDB) Get(key []byte) ([]byte, error)

+ func (db *MemDB) Has(key []byte) (bool, error)

+ func (db *MemDB) Iterator(start, end []byte) (Iterator, error)

+ func (db *MemDB) NewBatch() Batch

+ func (db *MemDB) Print() error

+ func (db *MemDB) ReverseIterator(start, end []byte) (Iterator, error)

+ func (db *MemDB) Set(key []byte, value []byte) error

+ func (db *MemDB) SetSync(key []byte, value []byte) error

+ func (db *MemDB) Stats() map[string]string

+ type PrefixDB struct

+ func NewPrefixDB(db DB, prefix []byte) *PrefixDB

+ func (pdb *PrefixDB) Close() error

+ func (pdb *PrefixDB) Delete(key []byte) error

+ func (pdb *PrefixDB) DeleteSync(key []byte) error

+ func (pdb *PrefixDB) Get(key []byte) ([]byte, error)

+ func (pdb *PrefixDB) Has(key []byte) (bool, error)

+ func (pdb *PrefixDB) Iterator(start, end []byte) (Iterator, error)

+ func (pdb *PrefixDB) NewBatch() Batch

+ func (pdb *PrefixDB) Print() error

+ func (pdb *PrefixDB) ReverseIterator(start, end []byte) (Iterator, error)

+ func (pdb *PrefixDB) Set(key []byte, value []byte) error

+ func (pdb *PrefixDB) SetSync(key []byte, value []byte) error

+ func (pdb *PrefixDB) Stats() map[string]string

+ type SetDeleter interface

+ Delete func(key []byte)

+ Set func(key, value []byte)