Chapril/xmpp.chapril.org-ejabberd
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Reset table only if new def change from runtime

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This commit is contained in:
Christophe Romain 2017-01-18 17:02:03 +01:00
parent 3029e84faf
commit 3482ee5c75
1 changed files with 5 additions and 5 deletions
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10
src/ejabberd_mnesia.erl
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@ -46,7 +46,7 @@ create(Module, Name, TabDef)
{'EXIT', _} ->
mnesia_op(create, [Name, TabDef]);
Attrs ->
case need_reset(TabDef, Schema) of
case need_reset(Name, Schema) of
true -> reset(Name, Schema);
false -> update(Name, Attrs, Schema)
end;
@ -152,12 +152,12 @@ parse([{Name, Storage, TabDef}|Tail], Acc)
parse([Other|_], _) ->
{error, {invalid, Other}}.
need_reset(FromDef, ToDef) ->
ValuesF = [lists:keyfind(Key, 1, FromDef) || Key <- ?NEED_RESET],
ValuesT = [lists:keyfind(Key, 1, ToDef) || Key <- ?NEED_RESET],
need_reset(Table, TabDef) ->
ValuesF = [mnesia:table_info(Table, Key) || Key <- ?NEED_RESET],
ValuesT = [proplists:get_value(Key, TabDef) || Key <- ?NEED_RESET],
lists:foldl(
fun({Val, Val}, Acc) -> Acc;
({_, false}, Acc) -> Acc;
({_, undefined}, Acc) -> Acc;
({_, _}, _) -> true
end, false, lists:zip(ValuesF, ValuesT)).