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Error using sumo:find to retrieve an inexistent element #147

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merged 2 commits into from
May 9, 2015
Merged

Error using sumo:find to retrieve an inexistent element #147

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c731bf1
[Fix #147] ''
elbrujohalcon May 9, 2015
d7b6f0c
[#147] Elvis fix
elbrujohalcon May 9, 2015
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20 changes: 12 additions & 8 deletions src/sumo_store_mnesia.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -143,16 +143,20 @@ find_by(DocName, Conditions, Limit, Offset, State) ->
sumo_store:result([sumo_internal:doc()], state()).
find_by(DocName, Conditions, [], Limit, Offset, State) ->
MatchSpec = build_match_spec(DocName, Conditions),
Transaction0 = fun() -> mnesia:select(DocName, MatchSpec) end,
TransactionL =
fun() ->
case mnesia:select(DocName, MatchSpec, Offset + Limit, read) of
{ManyItems, _Cont} ->
lists:sublist(ManyItems, Offset + 1, Limit);
'$end_of_table' ->
[]
end
end,
Transaction =
case Limit of
0 ->
fun() -> mnesia:select(DocName, MatchSpec) end;
Limit ->
fun() ->
{ManyItems, _Cont} =
mnesia:select(DocName, MatchSpec, Offset + Limit, read),
lists:sublist(ManyItems, Offset + 1, Limit)
end
0 -> Transaction0;
Limit -> TransactionL
end,
case mnesia:transaction(Transaction) of
{aborted, Reason} ->
Expand Down
10 changes: 10 additions & 0 deletions test/sumo_basic_SUITE.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
]).

-export([
find/1,
find_all/1,
find_by/1,
delete_all/1,
Expand Down Expand Up @@ -54,6 +55,9 @@ end_per_suite(Config) ->
%%% Exported Tests Functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

find(_Config) ->
run_all_stores(fun find_module/1).

find_all(_Config) ->
run_all_stores(fun find_all_module/1).

Expand Down Expand Up @@ -84,6 +88,12 @@ init_store(Module) ->
%% Sync Timeout.
sync_timeout(Module).

find_module(Module) ->
[First, Second | _] = sumo:find_all(Module),
First = sumo:find(Module, Module:id(First)),
Second = sumo:find(Module, Module:id(Second)),
notfound = sumo:find(Module, 0).

find_all_module(Module) ->
6 = length(sumo:find_all(Module)).

Expand Down