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| edwiny at autonomy.com |
 Posted: Wed Dec 16, 1998 4:35 pm |
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Guest
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Hello,
I tried the following, but I got an impenetrable error message (which I don't have with me: sorry).
Any suggestions?
-record(document, {id
title}).
docs(Term) ->
Fun = fun() ->
Q = query [ D.title || D <- table(document),
lists:member(1,[1]) ]
end,
mnemosyne:eval(Q)
end,
mnesia:transaction(Fun).
If I replace the list check with (say) D.id /= 0, it works fine. If I can't call standard functions inside
a query, how should I do this? Post-filter the result list?
Thanks a lot,
--
Edwin
PS Great language, BTW!
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| btu at erix.ericsson.se |
| Posted: Wed Dec 16, 1998 4:57 pm |
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Guest
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On Wed, 16 Dec 1998, Edwin Young wrote:
> Hello,
>
> I tried the following, but I got an impenetrable error message (which I
> don't have with me: sorry).
> Any suggestions?
>
> -record(document, {id
> title}).
You do have a comma between id and title, don't you?
I tried your code (exact example attached) and it works
like a charm on the version I got here (which is very similar
to the open source that is released).
The shell output is as follows:
Erlang (JAM) emulator version 4.7.3.4
Eshell V4.7.3.4 (abort with ^G)
1> c(tst).
{ok,tst}
2> tst:s().
{atomic,ok}
3> tst:add(23,hello).
{atomic,ok}
4> tst:docs(2).
{atomic,[hello]}
// bjoern
--
Mouse moved last hour: 41.84, today: 364.28, this week: 627.84 (meters)
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