BuildKeyspaceName builds a keyspace name.

DecodeKey split a key to it's keyspace prefix and actual key.

IsDecodeError is used to determine if error is decode error.

NewCodecV1 returns a codec that can be used to encode/decode keys and requests to and from APIv1 format.

NewCodecV2 returns a codec that can be used to encode/decode keys and requests to and from APIv2 format.

ParseKeyspaceID retrieves the keyspaceID from the given keyspace-encoded key.

ModeRaw represent a raw operation in TiKV.

ModeTxn represent a transaction operation in TiKV.

NulSpaceID is a special keyspace id that represents no keyspace exist.

DefaultKeyspaceID is the keyspaceID of the default keyspace.

DefaultKeyspaceName is the name of the default keyspace.

Codec is responsible for encode/decode requests.