riak_ops.erl

% Update Counter
increment
decrement
{increment, 4}
{decrement, 9}
% Update Set
{add, <<"Value">>}
{add_all, [<<"Value">>]}
{remove, <<"Value">>}
{remove_all, <<"Value">>}
% Update Map
% Update Embedded Set
[{update, {<<"FieldName">>, riak_dt_orswot}, {add, <<"Value">>}}]
% Update Embedded Counter
[{update, {<<"FieldName">>, riak_dt_emcntr}, {increment, 1}}]
% Update Embedded Flag
[{update, {<<"FieldName">>, riak_dt_od_flag}, enable}]
% Update Embedded Register
[{update, {<<"FieldName">>, riak_dt_orswot}, {assign, <<"Val">>}]

% In a Map you can combine the updates
[
   {update, {<<"Field1">>, riak_dt_od_flag}, disable},
   {update, {<<"Field2">>, riak_dt_orswot}, {assign, <<"Val">>}
]

% The above operations should be put into an update statement:
{update, Operation}