分片表qlc查询

 

F = fun() -> qlc:e(qlc:q([X || X <- mnesia:table(user)])) end,

mnesia:activity(transaction, F, [], mnesia_frag).

按条件查询:

mnesia:activity(transaction, fun() -> qlc:e(qlc:q([R || R <- mnesia:table(user), R#user.id == UserId ])) end).