Another interesting one...
One of my models was returning 'undefined' in response to boss_db:find/1
I tracked it down to boss_db:find/2, part of which looks like this:
<pre>
find(Key, Timeout) when is_list(Key), is_integer(Timeout) ->
[IdToken|Rest] = string:tokens(Key, "."),
case db_call({find, IdToken}, Timeout) of
undefined -> undefined;
{error, Reason} -> {error, Reason};
BossRecord -> BossRecord:get(string:join(Rest, "."))
end;</pre>
For some reason the BossRecord:get call on the second last line was
returning 'undefined' on one of my models. (I didnt try them all, but 8-10
others I tried were fine!)
I fixed the problem by changing the code as follows:
<pre>
find(Key, Timeout) when is_list(Key), is_integer(Timeout) ->
[IdToken|Rest] = string:tokens(Key, "."),
case db_call({find, IdToken}, Timeout) of
undefined -> undefined;
{error, Reason} -> {error, Reason};
BossRecord ->
case Rest of
[] -> BossRecord;
_ -> BossRecord:get(string:join(Rest, "."))
end
end;
</pre>
I have no idea if this is a good solution (though it looks reasonable) and
I am also equally puzzled by the fact that it only happened with one of my
models, but then I dont know what the 'get' function is supposed to do.
Perhaps someone wiser than I . . . .
g
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