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fix

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anlicheng 2023-07-26 10:29:34 +08:00
parent 254e015707
commit 955869d4e8
2 changed files with 2 additions and 2 deletions
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2
apps/iot/src/iot_host.erl
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@ -246,7 +246,7 @@ handle_event(cast, {handle, {data, Data}}, session, State = #state{uuid = UUID,
Info = #{<<"service_name">> := ServiceName, <<"at">> := Timestamp, <<"fields">> := FieldsList, <<"tags">> := Tags} when is_binary(ServiceName) -> Info = #{<<"service_name">> := ServiceName, <<"at">> := Timestamp, <<"fields">> := FieldsList, <<"tags">> := Tags} when is_binary(ServiceName) ->
%% 查找终端设备对应的点位信息 %% 查找终端设备对应的点位信息
RouterUUID = router_uuid(Info, UUID), RouterUUID = router_uuid(Info, UUID),
lager:debug("[iot_host] host: ~p, router_uuid: ~p, get data: ~p", [UUID, RouterUUID, Data]), lager:debug("[iot_host] host: ~p, router_uuid: ~p, get data: ~p", [UUID, RouterUUID, Info]),
case mnesia_kv:hget(RouterUUID, <<"location_code">>) of case mnesia_kv:hget(RouterUUID, <<"location_code">>) of
none -> none ->
lager:debug("[iot_host] the north_data hget location_code uuid: ~p, router_uuid: ~p, not found", [UUID, RouterUUID]); lager:debug("[iot_host] the north_data hget location_code uuid: ~p, router_uuid: ~p, not found", [UUID, RouterUUID]);

2
apps/iot/src/mnesia/mnesia_kv.erl
View File

@ -298,7 +298,7 @@ hget(Key, Field) when is_binary(Key), is_binary(Field) ->
[] -> [] ->
none; none;
[#kv{val = #{Field := Val}, type = hash}] -> [#kv{val = #{Field := Val}, type = hash}] ->
Val; {ok, Val};
_ -> _ ->
{error, ?WRONG_KIND} {error, ?WRONG_KIND}
end. end.