ets table becomes unusable after a failed insert

Vincent de Phily <>
Fri Jul 24 11:30:21 CEST 2009


Hi list,

here's a quick demo:

Erlang R13B01 (erts-5.7.2) [source] [rq:1] [async-threads:0] 
[kernel-poll:false]

Eshell V5.7.2  (abort with ^G)
1> Table = ets:new(foobar, [set, public]).
16397
2> ets:tab2list(Table).
[]
3> ets:insert(Table, {1}).
true
4> ets:insert(Table, {2}).
true
5> ets:tab2list(Table).
[{1},{2}]
6> ets:insert(Table, 3).
** exception error: bad argument
     in function  ets:insert/2
        called as ets:insert(16397,3)
7> ets:insert(Table, {3}).
** exception error: bad argument
     in function  ets:insert/2
        called as ets:insert(16397,{3})
8> ets:tab2list(Table).
** exception error: bad argument
     in function  ets:match_object/2
        called as ets:match_object(16397,'_')
     in call from ets:tab2list/1

The failure at 6> is expected since I didn't insert a tuple. But I expected 7> 
and 8> to work : one failed insert shouldn't make all subsequent operations 
fail. Unless there's some very good argument I'm missing ?

-- 
Vincent de Phily
Mobile Devices
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