【mnesia】数据导入导出

shijiang1130 发表于 2015-02-11 09:16

mnesia:dump_to_textfile("p.txt").
mnesia:load_textfile("p.txt").

patagonia2 发表于 2016-05-19 14:38

最近研究mesia
随着学习深入，你会发现
从哪里入手呢？

开动大脑，{:yxh68:}

shijiang1130 发表于 2016-05-23 20:34

to_csv(N)->
%-record(cacti,{hostname,id,graphs,data_sources,status,event_count,ip,current_ms,average_ms,availability}).
F = fun() ->
   Q = qlc:q([ || E <- mnesia:table(cacti)]),
   qlc:e(Q)
   end,
{atomic,A}=mnesia:transaction(F),
file:write_file(N, [ io_lib:format("~p ~p~n",) || <- A]).

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【mnesia】数据导入导出