prefixdb

package
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Published: Apr 19, 2020 License: BSD-3-Clause Imports: 4 Imported by: 0

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Types

type Database

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

Database partitions a database into a sub-database by prefixing all keys with a unique value.

func New

func New(prefix []byte, db database.Database) *Database

New returns a new prefixed database

func NewNested

func NewNested(prefix []byte, db database.Database) *Database

NewNested returns a new prefixed database without attempting to compress prefixes.

func (*Database) Close

func (db *Database) Close() error

Close implements the Database interface

func (*Database) Compact

func (db *Database) Compact(start, limit []byte) error

Compact implements the Database interface

func (*Database) Delete

func (db *Database) Delete(key []byte) error

Delete implements the Database interface

func (*Database) Get

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

Get implements the Database interface

func (*Database) Has

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

Has implements the Database interface

func (*Database) NewBatch

func (db *Database) NewBatch() database.Batch

NewBatch implements the Database interface

func (*Database) NewIterator

func (db *Database) NewIterator() database.Iterator

NewIterator implements the Database interface

func (*Database) NewIteratorWithPrefix

func (db *Database) NewIteratorWithPrefix(prefix []byte) database.Iterator

NewIteratorWithPrefix implements the Database interface

func (*Database) NewIteratorWithStart

func (db *Database) NewIteratorWithStart(start []byte) database.Iterator

NewIteratorWithStart implements the Database interface

func (*Database) NewIteratorWithStartAndPrefix

func (db *Database) NewIteratorWithStartAndPrefix(start, prefix []byte) database.Iterator

NewIteratorWithStartAndPrefix implements the Database interface

func (*Database) Put

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

Put implements the Database interface

func (*Database) Stat

func (db *Database) Stat(stat string) (string, error)

Stat implements the Database interface

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