MakeClusterDatabase creates and starts a node of cluster.

NewDatabase creates a redis database,.

NewSingleDB create single DB instance.

RegisterCommand registers a new command arity means allowed number of cmdArgs, arity < 0 means len(args) >= -arity.

ClusterDatabase represents a node of godis cluster it holds part of data and coordinates other nodes to finish transactions.

DataEntity stores data bound to a key, including a string, list, hash, set and so on.

MutilDB is a set of multiple database set.

DB stores data and execute user's commands.

Database is the interface for redis style storage engine.

ClusterExecFunc represents the handler of a redis command.

CmdLine is alias for [][]byte, represents a command line.

ExecFunc is interface for command executor args don't include cmd line.