boltdb

package

v0.0.0-...-40e4417 Latest Latest Go to latest Published: Dec 29, 2017 License: MIT Imports: 5 Imported by: 0

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Repository

github.com/dtynn/winston

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Open Source Insights

Documentation ¶

Index ¶

type Batch
type Iterator
type Option
- func Bucket(name []byte) Option
type Storage
- func Open(path string, opts ...Option) (*Storage, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Batch ¶

type Batch struct {
	sync.Mutex
	// contains filtered or unexported fields
}

Batch batch operation

func (*Batch) Close ¶

func (b *Batch) Close() error

Close close the batch

func (*Batch) Commit ¶

func (b *Batch) Commit() error

Commit commit the changes

func (*Batch) Del ¶

func (b *Batch) Del(key []byte) error

Del delete a key

func (*Batch) Put ¶

func (b *Batch) Put(key, val []byte) error

Put update a key

type Iterator ¶

type Iterator struct {
	// contains filtered or unexported fields
}

Iterator common iterator

func (*Iterator) Close ¶

func (i *Iterator) Close() error

Close close the iter

func (*Iterator) Err ¶

func (i *Iterator) Err() error

Err return error if any during cursor moves

func (*Iterator) First ¶

func (i *Iterator) First()

First move to the first entry

func (*Iterator) Key ¶

func (i *Iterator) Key() []byte

Key current key of the cursor

func (*Iterator) Last ¶

func (i *Iterator) Last()

Last move to the last entry

func (*Iterator) Next ¶

func (i *Iterator) Next() bool

Next move to the next key

func (*Iterator) Prev ¶

func (i *Iterator) Prev() bool

Prev move to the previous key

func (*Iterator) Seek ¶

func (i *Iterator) Seek(seek []byte)

Seek move to the key equal or greater than seek. If no key exists, return false

func (*Iterator) Valid ¶

func (i *Iterator) Valid() bool

Valid if the current entry is valid

func (*Iterator) Value ¶

func (i *Iterator) Value() []byte

Value current value of the cursor

type Option ¶

type Option func(s *Storage)

Option db option

func Bucket ¶

func Bucket(name []byte) Option

Bucket modify bucket name

type Storage ¶

type Storage struct {
	// contains filtered or unexported fields
}

Storage storage implementation

func Open ¶

func Open(path string, opts ...Option) (*Storage, error)

Open return a boltdb storage

func (*Storage) Batch ¶

func (s *Storage) Batch() (storage.Batch, error)

Batch open a batch

func (*Storage) Close ¶

func (s *Storage) Close() error

Close close the storage

func (*Storage) Del ¶

func (s *Storage) Del(key []byte) error

Del delete the key

func (*Storage) GC ¶

func (s *Storage) GC() error

GC garbage collection

func (*Storage) Get ¶

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

Get return value for specified key, return nil if key not found

func (*Storage) MGet ¶

func (s *Storage) MGet(keys ...[]byte) ([][]byte, error)

MGet return values fro multiple keys

func (*Storage) PrefixIterator ¶

func (s *Storage) PrefixIterator(prefix []byte) (storage.Iterator, error)

PrefixIterator return a iterator with prefix

func (*Storage) Put ¶

func (s *Storage) Put(key, val []byte) error

Put udpate the key with val

func (*Storage) RangeIterator ¶

func (s *Storage) RangeIterator(start, end []byte) (storage.Iterator, error)

RangeIterator return a iterator within the range

Source Files ¶

View all Source files

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