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authorDan Gudmundsson <[email protected]>2011-05-11 15:39:59 +0200
committerDan Gudmundsson <[email protected]>2011-05-11 15:39:59 +0200
commit7cf4720d344b302093454bfe2f518d98728645ce (patch)
tree36e2991b2cce1578c81298acdca284489cc81bd5 /lib
parent116deb98aa1309039d06530de3351feec1163c3f (diff)
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Fix mnesia crash when adding index on non loaded tables.
This could happen on ram_copies tables.
Diffstat (limited to 'lib')
-rw-r--r--lib/mnesia/src/mnesia_dumper.erl8
-rw-r--r--lib/mnesia/test/mnesia_trans_access_test.erl36
2 files changed, 37 insertions, 7 deletions
diff --git a/lib/mnesia/src/mnesia_dumper.erl b/lib/mnesia/src/mnesia_dumper.erl
index 644133cf5d..55b9946ae9 100644
--- a/lib/mnesia/src/mnesia_dumper.erl
+++ b/lib/mnesia/src/mnesia_dumper.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -871,7 +871,11 @@ insert_op(Tid, _, {op, add_index, Pos, TabDef}, InPlace, InitBy) ->
startup ->
ignore;
_ ->
- mnesia_index:init_indecies(Tab, Storage, [Pos])
+ case val({Tab,where_to_read}) of
+ nowhere -> ignore;
+ _ ->
+ mnesia_index:init_indecies(Tab, Storage, [Pos])
+ end
end;
insert_op(Tid, _, {op, del_index, Pos, TabDef}, InPlace, InitBy) ->
diff --git a/lib/mnesia/test/mnesia_trans_access_test.erl b/lib/mnesia/test/mnesia_trans_access_test.erl
index 55ba4dd761..ca3f0fbf49 100644
--- a/lib/mnesia/test/mnesia_trans_access_test.erl
+++ b/lib/mnesia/test/mnesia_trans_access_test.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -1102,9 +1102,9 @@ create_live_table_index_disc_only(Config) when is_list(Config) ->
create_live_table_index(Config, disc_only_copies).
create_live_table_index(Config, Storage) ->
- [Node1] = Nodes = ?acquire_nodes(1, Config),
+ [N1,N2,N3] = Nodes = ?acquire_nodes(3, Config),
Tab = create_live_table_index,
- Schema = [{name, Tab}, {attributes, [k, v]}, {Storage, [Node1]}],
+ Schema = [{name, Tab}, {attributes, [k, v]}, {Storage, Nodes}],
?match({atomic, ok}, mnesia:create_table(Schema)),
ValPos = 3,
mnesia:dirty_write({Tab, 1, 2}),
@@ -1115,9 +1115,35 @@ create_live_table_index(Config, Storage) ->
end,
?match({atomic, ok}, mnesia:transaction(Fun)),
?match({atomic, ok}, mnesia:add_table_index(Tab, ValPos)),
+ IRead = fun() -> lists:sort(mnesia:index_read(Tab, 2, ValPos)) end,
+ ?match({atomic, [{Tab, 1, 2},{Tab, 2, 2}]}, mnesia:transaction(IRead)),
+ ?match({atomic, ok}, mnesia:del_table_index(Tab, ValPos)),
+
+ %% Bug when adding index when table is still unloaded
+ %% By setting load order we hopefully will trigger the bug
+ mnesia:change_table_copy_type(Tab, N2, ram_copies),
+ mnesia:change_table_copy_type(Tab, N3, ram_copies),
+ ?match({atomic,ok}, mnesia:change_table_copy_type(schema, N2, ram_copies)),
+ ?match({atomic,ok}, mnesia:change_table_copy_type(schema, N3, ram_copies)),
+
+ Create = fun(N) ->
+ TabN = list_to_atom("tab_" ++ integer_to_list(N)),
+ Def = [{ram_copies, Nodes}, {load_order, N}],
+ mnesia:create_table(TabN, Def)
+ end,
+
+ ?match([{atomic,ok}|_], [Create(N) || N <- lists:seq(1,50)]),
+
+ ?match([], mnesia_test_lib:stop_mnesia([N2,N3])),
+ ?match(ok, rpc:call(N2, mnesia, start, [[{extra_db_nodes,[N1]}]])),
+ ?match(ok, rpc:call(N3, mnesia, start, [[{extra_db_nodes,[N1]}]])),
+
+ ?match({atomic, ok}, mnesia:add_table_index(Tab, ValPos)),
+
+ ?match({atomic, [{Tab, 1, 2},{Tab, 2, 2}]}, mnesia:transaction(IRead)),
?match({atomic, [{Tab, 1, 2},{Tab, 2, 2}]},
- mnesia:transaction(fun() -> lists:sort(mnesia:index_read(Tab, 2, ValPos))
- end)),
+ rpc:call(N2, mnesia, transaction, [IRead])),
+
?verify_mnesia(Nodes, []).
%% Drop table index