kvbadger

func (*Database) NewSnapshot ¶

func (d *Database) NewSnapshot(ctx context.Context) (*Snapshot, error)

NewSnapshot returns a snapshot, which is just a read-only transaction.

func (*Database) NewTransaction ¶

func (d *Database) NewTransaction(ctx context.Context) (*Transaction, error)

NewTransaction returns a new read-write transaction.

func (Snapshot) Ascend ¶

func (t Snapshot) Ascend(ctx context.Context, beg, end string, errp *error) iter.Seq2[string, io.Reader]

Ascend returns key-value pairs in a given range through the iterator, in ascending order.

func (Snapshot) Commit ¶

func (t Snapshot) Commit(ctx context.Context) error

Commit commits the transaction.

func (Snapshot) Delete ¶

func (t Snapshot) Delete(ctx context.Context, k string) error

Delete removes the key-value pair with the given key.

func (Snapshot) Descend ¶

func (t Snapshot) Descend(ctx context.Context, beg, end string, errp *error) iter.Seq2[string, io.Reader]

Descend returns key-value pairs in a given range through the iterator, in descending order.

func (*Snapshot) Discard ¶

func (s *Snapshot) Discard(ctx context.Context) error

func (Snapshot) Get ¶

func (t Snapshot) Get(ctx context.Context, k string) (io.Reader, error)

Get returns the value for a given key.

func (Snapshot) Scan ¶

func (t Snapshot) Scan(ctx context.Context, errp *error) iter.Seq2[string, io.Reader]

Scan reads all keys in the database through the iterator, in no-particular order.

func (Snapshot) Set ¶

func (t Snapshot) Set(ctx context.Context, k string, v io.Reader) error

Set stores a key-value pair.

func (Transaction) Ascend ¶

func (t Transaction) Ascend(ctx context.Context, beg, end string, errp *error) iter.Seq2[string, io.Reader]

Ascend returns key-value pairs in a given range through the iterator, in ascending order.

func (Transaction) Commit ¶

func (t Transaction) Commit(ctx context.Context) error

Commit commits the transaction.

func (Transaction) Delete ¶

func (t Transaction) Delete(ctx context.Context, k string) error

Delete removes the key-value pair with the given key.

func (Transaction) Descend ¶

func (t Transaction) Descend(ctx context.Context, beg, end string, errp *error) iter.Seq2[string, io.Reader]

Descend returns key-value pairs in a given range through the iterator, in descending order.

func (Transaction) Get ¶

func (t Transaction) Get(ctx context.Context, k string) (io.Reader, error)

Get returns the value for a given key.

func (*Transaction) Rollback ¶

func (t *Transaction) Rollback(ctx context.Context) error

Rollback drops the transaction.

func (Transaction) Scan ¶

func (t Transaction) Scan(ctx context.Context, errp *error) iter.Seq2[string, io.Reader]

Scan reads all keys in the database through the iterator, in no-particular order.

func (Transaction) Set ¶

func (t Transaction) Set(ctx context.Context, k string, v io.Reader) error

Set stores a key-value pair.