bug in mnesia_frag.erl

Chandrashekhar Mullaparthi <>
Fri Nov 17 17:08:22 CET 2000


Hi,

There is a bug in mnesia_frag:all_keys/4

all_keys(ActivityId, Opaque, Tab, LockKind) ->
    Match = [mnesia:all_keys(ActivityId, Opaque, Frag, LockKind)
	     || Frag <- frag_names(Tab)],
    lists:flatten(Match).

This function returns incorrect results when the index into a table is a
list. So if a table has entries with indices, [1], [2], [3], the above
function returns [1,2,3] instead of [[1], [2], [3]].

The last line should be:

lists:concat(Match).

cheers,
Chandru



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