internal

package

v0.0.0 Latest Latest Go to latest Published: Dec 3, 2024 License: Apache-2.0, UNKNOWN, UNKNOWN not legal advice Imports: 0 Imported by: 0

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Repository

github.com/gnolang/gno

Documentation ¶

Overview ¶

Package internal exposes internal functions used within db packages.

Index ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func BenchmarkRandomReadsWrites ¶

func BenchmarkRandomReadsWrites(b *testing.B, db db.DB)

func NonNilBytes ¶

func NonNilBytes(bz []byte) []byte

NonNilBytes ensures that bz is a non-nil byte slice (ie. []byte{}).

We defensively turn nil keys or values into []byte{} for most operations.

func RandStr ¶

func RandStr(length int) string

RandStr constructs a random alphanumeric string of given length.

Types ¶

type AtomicSetDeleter ¶

type AtomicSetDeleter interface {
	Mutex() *sync.Mutex
	SetNoLock(key, value []byte)
	SetNoLockSync(key, value []byte)
	DeleteNoLock(key []byte)
	DeleteNoLockSync(key []byte)
}

type MemBatch ¶

type MemBatch struct {
	DB  AtomicSetDeleter
	Ops []Operation
}

func (*MemBatch) Close ¶

func (mBatch *MemBatch) Close()

func (*MemBatch) Delete ¶

func (mBatch *MemBatch) Delete(key []byte)

func (*MemBatch) Set ¶

func (mBatch *MemBatch) Set(key, value []byte)

func (*MemBatch) Write ¶

func (mBatch *MemBatch) Write()

func (*MemBatch) WriteSync ¶

func (mBatch *MemBatch) WriteSync()

type MemIterator ¶

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

We need a copy of all of the keys. Not the best, but probably not a bottleneck depending.

func NewMemIterator ¶

func NewMemIterator(db db.DB, keys []string, start, end []byte) *MemIterator

Keys is expected to be in reverse order for reverse iterators.

func (*MemIterator) Close ¶

func (itr *MemIterator) Close()

Implements Iterator.

func (*MemIterator) Domain ¶

func (itr *MemIterator) Domain() ([]byte, []byte)

Implements Iterator.

func (*MemIterator) Key ¶

func (itr *MemIterator) Key() []byte

Implements Iterator.

func (*MemIterator) Next ¶

func (itr *MemIterator) Next()

Implements Iterator.

func (*MemIterator) Valid ¶

func (itr *MemIterator) Valid() bool

Implements Iterator.

func (*MemIterator) Value ¶

func (itr *MemIterator) Value() []byte

Implements Iterator.

type MockIterator ¶

type MockIterator struct{}

func (MockIterator) Close ¶

func (MockIterator) Close()

func (MockIterator) Domain ¶

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

func (MockIterator) Key ¶

func (MockIterator) Key() []byte

func (MockIterator) Next ¶

func (MockIterator) Next()

func (MockIterator) Valid ¶

func (MockIterator) Valid() bool

func (MockIterator) Value ¶

func (MockIterator) Value() []byte

type OpType ¶

type OpType int

const (
	OpTypeSet    OpType = 1
	OpTypeDelete OpType = 2
)

type Operation ¶

type Operation struct {
	OpType
	Key   []byte
	Value []byte
}

Source Files ¶

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