ExtractKeyExistsErrFromHandle returns a ErrKeyExists error from a handle key.

ExtractKeyExistsErrFromIndex returns a ErrKeyExists error from a index key.

NewBufferBatchGetter creates a new BufferBatchGetter.

NewSnapshot creates a kv.Snapshot with txnsnapshot.KVSnapshot.

NewTiKVTxn returns a new Transaction.

NewUnionIter returns a union iterator for BufferStore.

BufferBatchGetter is the type for BatchGet with MemBuffer.

TiDBKVFilter is the filter specific to TiDB to filter out KV pairs that needn't be committed.

UnionIter implements kv.Iterator.

BatchBufferGetter is the interface for BatchGet.

BatchGetter is the interface for BatchGet.

Getter is the interface for the Get method.