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-rw-r--r--lib/mnesia/doc/src/mnesia.xml4
-rw-r--r--lib/mnesia/doc/src/mnesia_frag_hash.xml2
-rw-r--r--lib/mnesia/src/Makefile4
-rw-r--r--lib/mnesia/src/mnesia.appup.src2
-rw-r--r--lib/mnesia/src/mnesia_controller.erl47
-rw-r--r--lib/mnesia/src/mnesia_dumper.erl9
-rw-r--r--lib/mnesia/src/mnesia_lib.erl6
-rw-r--r--lib/mnesia/src/mnesia_loader.erl244
-rw-r--r--lib/mnesia/src/mnesia_log.erl5
-rw-r--r--lib/mnesia/src/mnesia_monitor.erl84
-rw-r--r--lib/mnesia/src/mnesia_recover.erl6
-rw-r--r--lib/mnesia/src/mnesia_schema.erl505
-rw-r--r--lib/mnesia/vsn.mk2
13 files changed, 496 insertions, 424 deletions
diff --git a/lib/mnesia/doc/src/mnesia.xml b/lib/mnesia/doc/src/mnesia.xml
index 7a8f796cee..19ec70118f 100644
--- a/lib/mnesia/doc/src/mnesia.xml
+++ b/lib/mnesia/doc/src/mnesia.xml
@@ -246,7 +246,7 @@ If a new item is inserted with the same key as
</p>
</item>
<item>
- <p><c>{max,MaxTabs}</c><c>MaxTabs</c> is a list of
+ <p><c>{max,MaxTabs}</c>. <c>MaxTabs</c> is a list of
tables that should be included in the checkpoint. The
default is []. For these tables, the redundancy will be
maximized and checkpoint information will be retained together
@@ -274,7 +274,7 @@ If a new item is inserted with the same key as
</p>
</item>
<item>
- <p><c>{ram_overrides_dump,Bool} </c> Only applicable
+ <p><c>{ram_overrides_dump,Bool}</c>. Only applicable
for <c>ram_copies</c>. <c>Bool</c> allows you to choose
to backup the table state as it is in RAM, or as it is on
disc. <c>true</c> means that the latest committed
diff --git a/lib/mnesia/doc/src/mnesia_frag_hash.xml b/lib/mnesia/doc/src/mnesia_frag_hash.xml
index 73162c3974..665796f20d 100644
--- a/lib/mnesia/doc/src/mnesia_frag_hash.xml
+++ b/lib/mnesia/doc/src/mnesia_frag_hash.xml
@@ -64,7 +64,7 @@
<p>Note that the <c>add_frag/2</c> function will be invoked
one time each for the rest of the fragments (all but number 1)
as a part of the table creation procedure.</p>
- <p><c>State</c> is the initial value of the <c>hash_state</c><c>frag_property</c>. The <c>NewState</c> will be stored as
+ <p><c>State</c> is the initial value of the <c>hash_state</c> <c>frag_property</c>. The <c>NewState</c> will be stored as
<c>hash_state</c> among the other <c>frag_properties</c>.
</p>
</desc>
diff --git a/lib/mnesia/src/Makefile b/lib/mnesia/src/Makefile
index e032f563fa..1c8ec54605 100644
--- a/lib/mnesia/src/Makefile
+++ b/lib/mnesia/src/Makefile
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1996-2009. 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
@@ -113,6 +113,8 @@ clean:
docs:
+$(TARGET_FILES): $(HRL_FILES)
+
# ----------------------------------------------------
# Special Build Targets
# ----------------------------------------------------
diff --git a/lib/mnesia/src/mnesia.appup.src b/lib/mnesia/src/mnesia.appup.src
index 3691aa249a..fe4e5e2e7a 100644
--- a/lib/mnesia/src/mnesia.appup.src
+++ b/lib/mnesia/src/mnesia.appup.src
@@ -1,11 +1,13 @@
%% -*- erlang -*-
{"%VSN%",
[
+ {"4.4.19", [{restart_application, mnesia}]},
{"4.4.18", [{restart_application, mnesia}]},
{"4.4.17", [{restart_application, mnesia}]},
{"4.4.16", [{restart_application, mnesia}]}
],
[
+ {"4.4.19", [{restart_application, mnesia}]},
{"4.4.18", [{restart_application, mnesia}]},
{"4.4.17", [{restart_application, mnesia}]},
{"4.4.16", [{restart_application, mnesia}]}
diff --git a/lib/mnesia/src/mnesia_controller.erl b/lib/mnesia/src/mnesia_controller.erl
index d4b2c7b5cc..1d3bd55b48 100644
--- a/lib/mnesia/src/mnesia_controller.erl
+++ b/lib/mnesia/src/mnesia_controller.erl
@@ -57,7 +57,8 @@
release_schema_commit_lock/0,
create_table/1,
get_disc_copy/1,
- get_cstructs/0,
+ get_remote_cstructs/0, % new function
+ get_cstructs/0, % old function
sync_and_block_table_whereabouts/4,
sync_del_table_copy_whereabouts/2,
block_table/1,
@@ -278,9 +279,51 @@ rec_tabs([], _, _, Init) ->
unlink(Init),
ok.
-get_cstructs() ->
+%% New function that does exactly what get_cstructs() used to do.
+%% When this function is called, we know that the calling node knows
+%% how to convert cstructs on the receiving end (should they differ).
+get_remote_cstructs() ->
call(get_cstructs).
+%% Old function kept for backwards compatibility; converts cstructs before sending.
+get_cstructs() ->
+ {cstructs, Cstructs, Running} = call(get_cstructs),
+ Node = node(group_leader()),
+ {cstructs, normalize_cstructs(Cstructs, Node), Running}.
+
+normalize_cstructs(Cstructs, Node) ->
+ %% backward-compatibility hack; normalize before returning
+ case rpc:call(Node, mnesia_lib, val, [{schema,cstruct}]) of
+ {badrpc, _} ->
+ %% assume it's not a schema merge
+ Cstructs;
+ #cstruct{} ->
+ %% same format
+ Cstructs;
+ Cstruct ->
+ %% some other format
+ RemoteFields = [F || {F,_} <- rpc:call(Node, mnesia_schema, cs2list, [Cstruct])],
+ [convert_cs(Cs, RemoteFields) || Cs <- Cstructs]
+ end.
+
+convert_cs(Cs, Fields) ->
+ MyFields = record_info(fields, cstruct),
+ convert(tl(tuple_to_list(Cs)), MyFields, Fields, []).
+
+convert([H|T], [F|FsL], [F|FsR], Acc) ->
+ convert(T, FsL, FsR, [H|Acc]);
+convert([H|T], [Fl|FsL] = L, [Fr|FsR] = R, Acc) ->
+ case {lists:member(Fl, FsR), lists:member(Fr, FsL)} of
+ {true, false} ->
+ convert(T, L, FsR, [H|Acc]);
+ {false, true} ->
+ %% Field Fl doesn't exist on receiver side; skip.
+ convert(T, FsL, R, Acc)
+ end;
+convert([], _, _, Acc) ->
+ list_to_tuple([cstruct|lists:reverse(Acc)]).
+
+
update(Fun) ->
call({update,Fun}).
diff --git a/lib/mnesia/src/mnesia_dumper.erl b/lib/mnesia/src/mnesia_dumper.erl
index 92fd9dfade..f8d7664156 100644
--- a/lib/mnesia/src/mnesia_dumper.erl
+++ b/lib/mnesia/src/mnesia_dumper.erl
@@ -214,7 +214,12 @@ insert_rec(Rec, InPlace, InitBy, LogV) when is_record(Rec, commit) ->
{Tid, committed} ->
do_insert_rec(Tid, Rec, InPlace, InitBy, LogV);
{Tid, aborted} ->
- mnesia_schema:undo_prepare_commit(Tid, Rec)
+ case InitBy of
+ startup ->
+ mnesia_schema:undo_prepare_commit(Tid, Rec);
+ _ ->
+ ok
+ end
end;
insert_rec(H, _InPlace, _InitBy, _LogV) when is_record(H, log_header) ->
CurrentVersion = mnesia_log:version(),
@@ -359,7 +364,7 @@ dets_insert(Op,Tab,Key,Val) ->
ok = dets:delete_object(Tab, Val);
clear_table ->
dets_cleared(Tab),
- ok = dets:match_delete(Tab, '_')
+ ok = dets:delete_all_objects(Tab)
end.
dets_updated(Tab,Key) ->
diff --git a/lib/mnesia/src/mnesia_lib.erl b/lib/mnesia/src/mnesia_lib.erl
index 7e926a6258..e8b8c58c70 100644
--- a/lib/mnesia/src/mnesia_lib.erl
+++ b/lib/mnesia/src/mnesia_lib.erl
@@ -1141,12 +1141,18 @@ db_erase(ram_copies, Tab, Key) -> ?ets_delete(Tab, Key), ok;
db_erase(disc_copies, Tab, Key) -> ?ets_delete(Tab, Key), ok;
db_erase(disc_only_copies, Tab, Key) -> dets:delete(Tab, Key).
+db_match_erase(Tab, '_') ->
+ db_delete_all(val({Tab, storage_type}),Tab);
db_match_erase(Tab, Pat) ->
db_match_erase(val({Tab, storage_type}), Tab, Pat).
db_match_erase(ram_copies, Tab, Pat) -> ?ets_match_delete(Tab, Pat), ok;
db_match_erase(disc_copies, Tab, Pat) -> ?ets_match_delete(Tab, Pat), ok;
db_match_erase(disc_only_copies, Tab, Pat) -> dets:match_delete(Tab, Pat).
+db_delete_all(ram_copies, Tab) -> ets:delete_all_objects(Tab);
+db_delete_all(disc_copies, Tab) -> ets:delete_all_objects(Tab);
+db_delete_all(disc_only_copies, Tab) -> dets:delete_all_objects(Tab).
+
db_first(Tab) ->
db_first(val({Tab, storage_type}), Tab).
db_first(ram_copies, Tab) -> ?ets_first(Tab);
diff --git a/lib/mnesia/src/mnesia_loader.erl b/lib/mnesia/src/mnesia_loader.erl
index e785b795d1..eb83168498 100644
--- a/lib/mnesia/src/mnesia_loader.erl
+++ b/lib/mnesia/src/mnesia_loader.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2011. 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
@@ -27,7 +27,6 @@
net_load_table/4,
send_table/3]).
--export([old_node_init_table/6]). %% Spawned old node protocol conversion hack
-export([spawned_receiver/8]). %% Spawned lock taking process
-import(mnesia_lib, [set/2, fatal/2, verbose/2, dbg_out/2]).
@@ -36,7 +35,7 @@
val(Var) ->
case ?catch_val(Var) of
- {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
+ {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
Value -> Value
end.
@@ -51,7 +50,7 @@ disc_load_table(Tab, Reason) ->
?eval_debug_fun({?MODULE, do_get_disc_copy},
[{tab, Tab},
{reason, Reason},
- {storage, Storage},
+ {storage, Storage},
{type, Type}]),
do_get_disc_copy2(Tab, Reason, Storage, Type).
@@ -63,19 +62,19 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_copies ->
%% NOW we create the actual table
Repair = mnesia_monitor:get_env(auto_repair),
Args = [{keypos, 2}, public, named_table, Type],
- case Reason of
+ case Reason of
{dumper, _} -> %% Resources allready allocated
ignore;
_ ->
mnesia_monitor:mktab(Tab, Args),
- Count = mnesia_log:dcd2ets(Tab, Repair),
+ Count = mnesia_log:dcd2ets(Tab, Repair),
case ets:info(Tab, size) of
X when X < Count * 4 ->
- ok = mnesia_log:ets2dcd(Tab);
+ ok = mnesia_log:ets2dcd(Tab);
_ ->
ignore
end
- end,
+ end,
mnesia_index:init_index(Tab, Storage),
snmpify(Tab, Storage),
set({Tab, load_node}, node()),
@@ -84,7 +83,7 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_copies ->
do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == ram_copies ->
Args = [{keypos, 2}, public, named_table, Type],
- case Reason of
+ case Reason of
{dumper, _} -> %% Resources allready allocated
ignore;
_ ->
@@ -94,12 +93,12 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == ram_copies ->
Repair = mnesia_monitor:get_env(auto_repair),
case mnesia_monitor:use_dir() of
true ->
- case mnesia_lib:exists(Fname) of
+ case mnesia_lib:exists(Fname) of
true -> mnesia_log:dcd2ets(Tab, Repair);
false ->
case mnesia_lib:exists(Datname) of
true ->
- mnesia_lib:dets_to_ets(Tab, Tab, Datname,
+ mnesia_lib:dets_to_ets(Tab, Tab, Datname,
Type, Repair, no);
false ->
false
@@ -154,11 +153,11 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_only_copies -
%% Disable rehashing of table
%% Release read lock on table
%% Send table to receiver in chunks
-%%
+%%
%% Grab read lock on table
%% Block dirty updates
%% Update wherabouts
-%%
+%%
%% Cancel the update subscription
%% Process the subscription events
%% Optionally dump to disc
@@ -166,7 +165,7 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_only_copies -
%% Release read lock on table
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--define(MAX_TRANSFER_SIZE, 7500).
+-define(MAX_TRANSFER_SIZE, 7500).
-define(MAX_RAM_FILE_SIZE, 1000000).
-define(MAX_RAM_TRANSFERS, (?MAX_RAM_FILE_SIZE div ?MAX_TRANSFER_SIZE) + 1).
-define(MAX_NOPACKETS, 20).
@@ -187,14 +186,14 @@ try_net_load_table(Tab, Reason, Ns, Cs) ->
do_get_network_copy(Tab, _Reason, _Ns, unknown, _Cs) ->
verbose("Local table copy of ~p has recently been deleted, ignored.~n", [Tab]),
{not_loaded, storage_unknown};
-do_get_network_copy(Tab, Reason, Ns, Storage, Cs) ->
+do_get_network_copy(Tab, Reason, Ns, Storage, Cs) ->
[Node | Tail] = Ns,
case lists:member(Node,val({current, db_nodes})) of
true ->
dbg_out("Getting table ~p (~p) from node ~p: ~p~n",
[Tab, Storage, Node, Reason]),
?eval_debug_fun({?MODULE, do_get_network_copy},
- [{tab, Tab}, {reason, Reason},
+ [{tab, Tab}, {reason, Reason},
{nodes, Ns}, {storage, Storage}]),
case init_receiver(Node, Tab, Storage, Cs, Reason) of
ok ->
@@ -208,7 +207,7 @@ do_get_network_copy(Tab, Reason, Ns, Storage, Cs) ->
restart ->
try_net_load_table(Tab, Reason, Tail ++ [Node], Cs);
down ->
- try_net_load_table(Tab, Reason, Tail, Cs)
+ try_net_load_table(Tab, Reason, Tail, Cs)
end;
false ->
try_net_load_table(Tab, Reason, Tail, Cs)
@@ -223,10 +222,10 @@ do_snmpify(Tab, Us, Storage) ->
Snmp = mnesia_snmp_hook:create_table(Us, Tab, Storage),
set({Tab, {index, snmp}}, Snmp).
-%% Start the recieiver
+%% Start the recieiver
init_receiver(Node, Tab, Storage, Cs, Reas={dumper,add_table_copy}) ->
case start_remote_sender(Node, Tab, Storage) of
- {SenderPid, TabSize, DetsData} ->
+ {SenderPid, TabSize, DetsData} ->
start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,Reas);
Else ->
Else
@@ -234,21 +233,21 @@ init_receiver(Node, Tab, Storage, Cs, Reas={dumper,add_table_copy}) ->
init_receiver(Node, Tab,Storage,Cs,Reason) ->
%% Grab a schema lock to avoid deadlock between table_loader and schema_commit dumping.
%% Both may grab tables-locks in different order.
- Load =
- fun() ->
- {_,Tid,Ts} = get(mnesia_activity_state),
+ Load =
+ fun() ->
+ {_,Tid,Ts} = get(mnesia_activity_state),
mnesia_locker:rlock(Tid, Ts#tidstore.store, {schema, Tab}),
- %% Check that table still exists
+ %% Check that table still exists
Active = val({Tab, active_replicas}),
%% Check that we havn't loaded it already
case val({Tab,where_to_read}) == node() of
true -> ok;
_ ->
- %% And that sender still got a copy
- %% (something might have happend while
+ %% And that sender still got a copy
+ %% (something might have happend while
%% we where waiting for the lock)
true = lists:member(Node, Active),
- {SenderPid, TabSize, DetsData} =
+ {SenderPid, TabSize, DetsData} =
start_remote_sender(Node,Tab,Storage),
Init = table_init_fun(SenderPid),
Args = [self(),Tab,Storage,Cs,SenderPid,
@@ -258,18 +257,18 @@ init_receiver(Node, Tab,Storage,Cs,Reason) ->
wait_on_load_complete(Pid)
end
end,
- Res =
+ Res =
case mnesia:transaction(Load, 20) of
- {atomic, {error,Result}} when
- element(1,Reason) == dumper ->
+ {atomic, {error,Result}} when
+ element(1,Reason) == dumper ->
{error,Result};
- {atomic, {error,Result}} ->
+ {atomic, {error,Result}} ->
fatal("Cannot create table ~p: ~p~n",
[[Tab, Storage], Result]);
{atomic, Result} -> Result;
{aborted, nomore} -> restart;
- {aborted, _Reas} ->
- verbose("Receiver failed on ~p from ~p:~nReason: ~p~n",
+ {aborted, _Reas} ->
+ verbose("Receiver failed on ~p from ~p:~nReason: ~p~n",
[Tab,Node,_Reas]),
down %% either this node or sender is dying
end,
@@ -279,7 +278,7 @@ init_receiver(Node, Tab,Storage,Cs,Reason) ->
start_remote_sender(Node,Tab,Storage) ->
mnesia_controller:start_remote_sender(Node, Tab, self(), Storage),
put(mnesia_table_sender_node, {Tab, Node}),
- receive
+ receive
{SenderPid, {first, TabSize}} ->
{SenderPid, TabSize, false};
{SenderPid, {first, TabSize, DetsData}} ->
@@ -291,22 +290,14 @@ start_remote_sender(Node,Tab,Storage) ->
end.
table_init_fun(SenderPid) ->
- PConv = mnesia_monitor:needs_protocol_conversion(node(SenderPid)),
- MeMyselfAndI = self(),
fun(read) ->
- Receiver =
- if
- PConv == true ->
- MeMyselfAndI ! {actual_tabrec, self()},
- MeMyselfAndI; %% Old mnesia
- PConv == false -> self()
- end,
+ Receiver = self(),
SenderPid ! {Receiver, more},
get_data(SenderPid, Receiver)
end.
%% Add_table_copy get's it's own locks.
-start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,{dumper,add_table_copy}) ->
+start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,{dumper,add_table_copy}) ->
Init = table_init_fun(SenderPid),
case do_init_table(Tab,Storage,Cs,SenderPid,TabSize,DetsData,self(), Init) of
Err = {error, _} ->
@@ -317,8 +308,8 @@ start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,{dumper,add_table_copy}
end.
spawned_receiver(ReplyTo,Tab,Storage,Cs, SenderPid,TabSize,DetsData, Init) ->
- process_flag(trap_exit, true),
- Done = do_init_table(Tab,Storage,Cs,
+ process_flag(trap_exit, true),
+ Done = do_init_table(Tab,Storage,Cs,
SenderPid,TabSize,DetsData,
ReplyTo, Init),
ReplyTo ! {self(),Done},
@@ -327,17 +318,17 @@ spawned_receiver(ReplyTo,Tab,Storage,Cs, SenderPid,TabSize,DetsData, Init) ->
exit(normal).
wait_on_load_complete(Pid) ->
- receive
- {Pid, Res} ->
+ receive
+ {Pid, Res} ->
Res;
- {'EXIT', Pid, Reason} ->
+ {'EXIT', Pid, Reason} ->
exit(Reason);
- Else ->
+ Else ->
Pid ! Else,
wait_on_load_complete(Pid)
end.
-do_init_table(Tab,Storage,Cs,SenderPid,
+do_init_table(Tab,Storage,Cs,SenderPid,
TabSize,DetsInfo,OrigTabRec,Init) ->
case create_table(Tab, TabSize, Storage, Cs) of
{Storage,Tab} ->
@@ -345,11 +336,9 @@ do_init_table(Tab,Storage,Cs,SenderPid,
Node = node(SenderPid),
put(mnesia_table_receiver, {Tab, Node, SenderPid}),
mnesia_tm:block_tab(Tab),
- PConv = mnesia_monitor:needs_protocol_conversion(Node),
-
- case init_table(Tab,Storage,Init,PConv,DetsInfo,SenderPid) of
- ok ->
- tab_receiver(Node,Tab,Storage,Cs,PConv,OrigTabRec);
+ case init_table(Tab,Storage,Init,DetsInfo,SenderPid) of
+ ok ->
+ tab_receiver(Node,Tab,Storage,Cs,OrigTabRec);
Reason ->
Msg = "[d]ets:init table failed",
verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]),
@@ -360,7 +349,7 @@ do_init_table(Tab,Storage,Cs,SenderPid,
end.
create_table(Tab, TabSize, Storage, Cs) ->
- if
+ if
Storage == disc_only_copies ->
mnesia_lib:lock_table(Tab),
Tmp = mnesia_lib:tab2tmp(Tab),
@@ -390,54 +379,30 @@ create_table(Tab, TabSize, Storage, Cs) ->
end
end.
-tab_receiver(Node, Tab, Storage, Cs, PConv, OrigTabRec) ->
+tab_receiver(Node, Tab, Storage, Cs, OrigTabRec) ->
receive
- {SenderPid, {no_more, DatBin}} when PConv == false ->
+ {SenderPid, {no_more, DatBin}} ->
finish_copy(Storage,Tab,Cs,SenderPid,DatBin,OrigTabRec);
-
- %% Protocol conversion hack
- {SenderPid, {no_more, DatBin}} when is_pid(PConv) ->
- PConv ! {SenderPid, no_more},
- receive
- {old_init_table_complete, ok} ->
- finish_copy(Storage, Tab, Cs, SenderPid, DatBin,OrigTabRec);
- {old_init_table_complete, Reason} ->
- Msg = "OLD: [d]ets:init table failed",
- verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]),
- down(Tab, Storage)
- end;
-
- {actual_tabrec, Pid} ->
- tab_receiver(Node, Tab, Storage, Cs, Pid,OrigTabRec);
-
- {SenderPid, {more, [Recs]}} when is_pid(PConv) ->
- PConv ! {SenderPid, {more, Recs}}, %% Forward Msg to OldNodes
- tab_receiver(Node, Tab, Storage, Cs, PConv,OrigTabRec);
- {'EXIT', PConv, Reason} -> %% [d]ets:init process crashed
- Msg = "Receiver crashed",
- verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]),
- down(Tab, Storage);
-
%% Protocol conversion hack
{copier_done, Node} ->
verbose("Sender of table ~p crashed on node ~p ~n", [Tab, Node]),
down(Tab, Storage);
-
+
{'EXIT', Pid, Reason} ->
handle_exit(Pid, Reason),
- tab_receiver(Node, Tab, Storage, Cs, PConv,OrigTabRec)
+ tab_receiver(Node, Tab, Storage, Cs, OrigTabRec)
end.
make_table_fun(Pid, TabRec) ->
fun(close) ->
ok;
(read) ->
- get_data(Pid, TabRec)
+ get_data(Pid, TabRec)
end.
get_data(Pid, TabRec) ->
- receive
+ receive
{Pid, {more_z, CompressedRecs}} when is_binary(CompressedRecs) ->
Pid ! {TabRec, more},
{zlib_uncompress(CompressedRecs), make_table_fun(Pid,TabRec)};
@@ -448,7 +413,7 @@ get_data(Pid, TabRec) ->
end_of_input;
{copier_done, Node} ->
case node(Pid) of
- Node ->
+ Node ->
{copier_done, Node};
_ ->
get_data(Pid, TabRec)
@@ -458,10 +423,10 @@ get_data(Pid, TabRec) ->
get_data(Pid, TabRec)
end.
-init_table(Tab, disc_only_copies, Fun, false, DetsInfo,Sender) ->
+init_table(Tab, disc_only_copies, Fun, DetsInfo,Sender) ->
ErtsVer = erlang:system_info(version),
case DetsInfo of
- {ErtsVer, DetsData} ->
+ {ErtsVer, DetsData} ->
Res = (catch dets:is_compatible_bchunk_format(Tab, DetsData)),
case Res of
{'EXIT',{undef,[{dets,_,_}|_]}} ->
@@ -481,28 +446,19 @@ init_table(Tab, disc_only_copies, Fun, false, DetsInfo,Sender) ->
_ ->
dets:init_table(Tab, Fun)
end;
-init_table(Tab, _, Fun, false, _DetsInfo,_) ->
+init_table(Tab, _, Fun, _DetsInfo,_) ->
case catch ets:init_table(Tab, Fun) of
true ->
ok;
{'EXIT', Else} -> Else
- end;
-init_table(Tab, Storage, Fun, true, _DetsInfo, Sender) -> %% Old Nodes
- spawn_link(?MODULE, old_node_init_table,
- [Tab, Storage, Fun, self(), false, Sender]),
- ok.
+ end.
-old_node_init_table(Tab, Storage, Fun, TabReceiver, DetsInfo,Sender) ->
- Res = init_table(Tab, Storage, Fun, false, DetsInfo,Sender),
- TabReceiver ! {old_init_table_complete, Res},
- unlink(TabReceiver),
- ok.
finish_copy(Storage,Tab,Cs,SenderPid,DatBin,OrigTabRec) ->
TabRef = {Storage, Tab},
subscr_receiver(TabRef, Cs#cstruct.record_name),
case handle_last(TabRef, Cs#cstruct.type, DatBin) of
- ok ->
+ ok ->
mnesia_index:init_index(Tab, Storage),
snmpify(Tab, Storage),
%% OrigTabRec must not be the spawned tab-receiver
@@ -534,7 +490,7 @@ subscr_receiver(TabRef = {_, Tab}, RecName) ->
ok
end.
-handle_event(TabRef, write, Rec) ->
+handle_event(TabRef, write, Rec) ->
db_put(TabRef, Rec);
handle_event(TabRef, delete, {_Tab, Key}) ->
db_erase(TabRef, Key);
@@ -545,8 +501,8 @@ handle_event(TabRef, clear_table, {_Tab, _Key}) ->
handle_last({disc_copies, Tab}, _Type, nobin) ->
Ret = mnesia_log:ets2dcd(Tab),
- Fname = mnesia_lib:tab2dat(Tab),
- case mnesia_lib:exists(Fname) of
+ Fname = mnesia_lib:tab2dat(Tab),
+ case mnesia_lib:exists(Fname) of
true -> %% Remove old .DAT files.
file:delete(Fname);
false ->
@@ -653,31 +609,29 @@ send_table(Pid, Tab, RemoteS) ->
{error, {no_exists, Tab}};
Storage ->
%% Send first
- TabSize = mnesia:table_info(Tab, size),
- Pconvert = mnesia_monitor:needs_protocol_conversion(node(Pid)),
+ TabSize = mnesia:table_info(Tab, size),
KeysPerTransfer = calc_nokeys(Storage, Tab),
ChunkData = dets:info(Tab, bchunk_format),
- UseDetsChunk =
- Storage == RemoteS andalso
- Storage == disc_only_copies andalso
- ChunkData /= undefined andalso
- Pconvert == false,
- if
+ UseDetsChunk =
+ Storage == RemoteS andalso
+ Storage == disc_only_copies andalso
+ ChunkData /= undefined,
+ if
UseDetsChunk == true ->
DetsInfo = erlang:system_info(version),
Pid ! {self(), {first, TabSize, {DetsInfo, ChunkData}}};
true ->
Pid ! {self(), {first, TabSize}}
end,
-
+
%% Debug info
put(mnesia_table_sender, {Tab, node(Pid), Pid}),
{Init, Chunk} = reader_funcs(UseDetsChunk, Tab, Storage, KeysPerTransfer),
-
+
SendIt = fun() ->
prepare_copy(Pid, Tab, Storage),
- send_more(Pid, 1, Chunk, Init(), Tab, Pconvert),
+ send_more(Pid, 1, Chunk, Init(), Tab),
finish_copy(Pid, Tab, Storage, RemoteS)
end,
@@ -698,7 +652,7 @@ send_table(Pid, Tab, RemoteS) ->
{error, Reason}
end
end.
-
+
prepare_copy(Pid, Tab, Storage) ->
Trans =
fun() ->
@@ -717,11 +671,11 @@ prepare_copy(Pid, Tab, Storage) ->
update_where_to_write(Tab, Node) ->
case val({Tab, access_mode}) of
- read_only ->
+ read_only ->
ignore;
- read_write ->
+ read_write ->
Current = val({current, db_nodes}),
- Ns =
+ Ns =
case lists:member(Node, Current) of
true -> Current;
false -> [Node | Current]
@@ -729,27 +683,27 @@ update_where_to_write(Tab, Node) ->
update_where_to_write(Ns, Tab, Node)
end.
-update_where_to_write([], _, _) ->
+update_where_to_write([], _, _) ->
ok;
update_where_to_write([H|T], Tab, AddNode) ->
- rpc:call(H, mnesia_controller, call,
+ rpc:call(H, mnesia_controller, call,
[{update_where_to_write, [add, Tab, AddNode], self()}]),
update_where_to_write(T, Tab, AddNode).
-send_more(Pid, N, Chunk, DataState, Tab, OldNode) ->
+send_more(Pid, N, Chunk, DataState, Tab) ->
receive
{NewPid, more} ->
- case send_packet(N - 1, NewPid, Chunk, DataState, OldNode) of
- New when is_integer(New) ->
+ case send_packet(N - 1, NewPid, Chunk, DataState) of
+ New when is_integer(New) ->
New - 1;
NewData ->
- send_more(NewPid, ?MAX_NOPACKETS, Chunk, NewData, Tab, OldNode)
+ send_more(NewPid, ?MAX_NOPACKETS, Chunk, NewData, Tab)
end;
{_NewPid, {old_protocol, Tab}} ->
Storage = val({Tab, storage_type}),
- {Init, NewChunk} =
+ {Init, NewChunk} =
reader_funcs(false, Tab, Storage, calc_nokeys(Storage, Tab)),
- send_more(Pid, 1, NewChunk, Init(), Tab, OldNode);
+ send_more(Pid, 1, NewChunk, Init(), Tab);
{copier_done, Node} when Node == node(Pid)->
verbose("Receiver of table ~p crashed on ~p (more)~n", [Tab, Node]),
@@ -770,7 +724,7 @@ dets_bchunk(Tab, Chunk) -> %% Arrg
case dets:bchunk(Tab, Chunk) of
{Cont, Data} -> {Data, Cont};
Else -> Else
- end.
+ end.
zlib_compress(Data, Level) ->
BinData = term_to_binary(Data),
@@ -793,28 +747,20 @@ compression_level() ->
Val -> Val
end.
-send_packet(N, Pid, _Chunk, '$end_of_table', OldNode) ->
- case OldNode of
- true -> ignore; %% Old nodes can't handle the new no_more
- false -> Pid ! {self(), no_more}
- end,
+send_packet(N, Pid, _Chunk, '$end_of_table') ->
+ Pid ! {self(), no_more},
N;
-send_packet(N, Pid, Chunk, {[], Cont}, OldNode) ->
- send_packet(N, Pid, Chunk, Chunk(Cont), OldNode);
-send_packet(N, Pid, Chunk, {Recs, Cont}, OldNode) when N < ?MAX_NOPACKETS ->
- case OldNode of
- true ->
- Pid ! {self(), {more, [Recs]}}; %% Old need's wrapping list
- false ->
- case compression_level() of
- 0 ->
- Pid ! {self(), {more, Recs}};
- Level ->
- Pid ! {self(), {more_z, zlib_compress(Recs, Level)}}
- end
+send_packet(N, Pid, Chunk, {[], Cont}) ->
+ send_packet(N, Pid, Chunk, Chunk(Cont));
+send_packet(N, Pid, Chunk, {Recs, Cont}) when N < ?MAX_NOPACKETS ->
+ case compression_level() of
+ 0 ->
+ Pid ! {self(), {more, Recs}};
+ Level ->
+ Pid ! {self(), {more_z, zlib_compress(Recs, Level)}}
end,
- send_packet(N+1, Pid, Chunk, Chunk(Cont), OldNode);
-send_packet(_N, _Pid, _Chunk, DataState, _OldNode) ->
+ send_packet(N+1, Pid, Chunk, Chunk(Cont));
+send_packet(_N, _Pid, _Chunk, DataState) ->
DataState.
finish_copy(Pid, Tab, Storage, RemoteS) ->
@@ -855,5 +801,5 @@ dat2bin(_Tab, _LocalS, _RemoteS) ->
handle_exit(Pid, Reason) when node(Pid) == node() ->
exit(Reason);
-handle_exit(_Pid, _Reason) -> %% Not from our node, this will be handled by
+handle_exit(_Pid, _Reason) -> %% Not from our node, this will be handled by
ignore. %% mnesia_down soon.
diff --git a/lib/mnesia/src/mnesia_log.erl b/lib/mnesia/src/mnesia_log.erl
index 9e804cc4c2..94153473cb 100644
--- a/lib/mnesia/src/mnesia_log.erl
+++ b/lib/mnesia/src/mnesia_log.erl
@@ -1021,7 +1021,8 @@ add_recs([LogH|Rest], N)
LogH#log_header.log_version >= "1.0" ->
add_recs(Rest, N);
add_recs([{{Tab, _Key}, _Val, clear_table} | Rest], N) ->
- true = ets:match_delete(Tab, '_'),
- add_recs(Rest, N+ets:info(Tab, size));
+ Size = ets:info(Tab, size),
+ true = ets:delete_all_objects(Tab),
+ add_recs(Rest, N+Size);
add_recs([], N) ->
N.
diff --git a/lib/mnesia/src/mnesia_monitor.erl b/lib/mnesia/src/mnesia_monitor.erl
index b6eda9ad3a..e110ad3241 100644
--- a/lib/mnesia/src/mnesia_monitor.erl
+++ b/lib/mnesia/src/mnesia_monitor.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
@@ -76,13 +76,13 @@
-include("mnesia.hrl").
--record(state, {supervisor, pending_negotiators = [],
+-record(state, {supervisor, pending_negotiators = [],
going_down = [], tm_started = false, early_connects = [],
connecting, mq = []}).
--define(current_protocol_version, {7,6}).
+-define(current_protocol_version, {8,0}).
--define(previous_protocol_version, {7,5}).
+-define(previous_protocol_version, {7,6}).
start() ->
gen_server:start_link({local, ?MODULE}, ?MODULE,
@@ -151,12 +151,12 @@ check_protocol([{Node, {accept, Mon, Version, Protocol}} | Tail], Protocols) ->
case lists:member(Protocol, Protocols) of
true ->
case Protocol == protocol_version() of
- true ->
+ true ->
set({protocol, Node}, {Protocol, false});
false ->
set({protocol, Node}, {Protocol, true})
end,
- [node(Mon) | check_protocol(Tail, Protocols)];
+ [node(Mon) | check_protocol(Tail, Protocols)];
false ->
verbose("Failed to connect with ~p. ~p protocols rejected. "
"expected version = ~p, expected protocol = ~p~n",
@@ -179,7 +179,7 @@ check_protocol([], [Protocol | _Protocols]) ->
set(protocol_version, Protocol),
[].
-protocol_version() ->
+protocol_version() ->
case ?catch_val(protocol_version) of
{'EXIT', _} -> ?current_protocol_version;
Version -> Version
@@ -189,14 +189,14 @@ protocol_version() ->
%% preferred protocols are first in the list
acceptable_protocol_versions() ->
[protocol_version(), ?previous_protocol_version].
-
+
needs_protocol_conversion(Node) ->
case {?catch_val({protocol, Node}), protocol_version()} of
{{'EXIT', _}, _} ->
false;
- {{_, Bool}, ?current_protocol_version} ->
+ {{_, Bool}, ?current_protocol_version} ->
Bool;
- {{_, Bool}, _} ->
+ {{_, Bool}, _} ->
not Bool
end.
@@ -255,15 +255,15 @@ terminate_proc(Who, Reason, _State) ->
%%----------------------------------------------------------------------
init([Parent]) ->
process_flag(trap_exit, true),
- ?ets_new_table(mnesia_gvar, [set, public, named_table]),
- ?ets_new_table(mnesia_stats, [set, public, named_table]),
+ ?ets_new_table(mnesia_gvar, [set, public, named_table]),
+ ?ets_new_table(mnesia_stats, [set, public, named_table]),
set(subscribers, []),
set(activity_subscribers, []),
mnesia_lib:verbose("~p starting: ~p~n", [?MODULE, self()]),
Version = mnesia:system_info(version),
set(version, Version),
dbg_out("Version: ~p~n", [Version]),
-
+
case catch process_config_args(env()) of
ok ->
mnesia_lib:set({'$$$_report', current_pos}, 0),
@@ -283,7 +283,7 @@ init([Parent]) ->
set(checkpoints, []),
set(pending_checkpoints, []),
set(pending_checkpoint_pids, []),
-
+
{ok, #state{supervisor = Parent}};
{'EXIT', Reason} ->
mnesia_lib:report_fatal("Bad configuration: ~p~n", [Reason]),
@@ -398,9 +398,9 @@ handle_call({unsafe_close_log, Name}, _From, State) ->
disk_log:close(Name),
{reply, ok, State};
-handle_call({negotiate_protocol, Mon, _Version, _Protocols}, _From, State)
+handle_call({negotiate_protocol, Mon, _Version, _Protocols}, _From, State)
when State#state.tm_started == false ->
- State2 = State#state{early_connects = [node(Mon) | State#state.early_connects]},
+ State2 = State#state{early_connects = [node(Mon) | State#state.early_connects]},
{reply, {node(), {reject, self(), uninitialized, uninitialized}}, State2};
%% From remote monitor..
@@ -412,7 +412,7 @@ handle_call({negotiate_protocol, Mon, Version, Protocols}, From, State)
true ->
accept_protocol(Mon, MyVersion, Protocol, From, State);
false ->
- %% in this release we should be able to handle the previous
+ %% in this release we should be able to handle the previous
%% protocol
case hd(Protocols) of
?previous_protocol_version ->
@@ -427,7 +427,7 @@ handle_call({negotiate_protocol, Mon, Version, Protocols}, From, State)
end;
%% Local request to negotiate with other monitors (nodes).
-handle_call({negotiate_protocol, Nodes}, From, State) ->
+handle_call({negotiate_protocol, Nodes}, From, State) ->
case mnesia_lib:intersect(State#state.going_down, Nodes) of
[] ->
spawn_link(?MODULE, negotiate_protocol_impl, [Nodes, From]),
@@ -461,7 +461,7 @@ accept_protocol(Mon, Version, Protocol, From, State) ->
%% No need for wait
link(Mon), %% link to remote Monitor
case Protocol == protocol_version() of
- true ->
+ true ->
set({protocol, Node}, {Protocol, false});
false ->
set({protocol, Node}, {Protocol, true})
@@ -509,7 +509,7 @@ handle_cast({disconnect, Node}, State) ->
ignore;
undefined ->
ignore;
- RemoteMon when is_pid(RemoteMon) ->
+ RemoteMon when is_pid(RemoteMon) ->
unlink(RemoteMon)
end,
{noreply, State};
@@ -534,7 +534,7 @@ handle_info({'EXIT', Pid, R}, State) when Pid == State#state.supervisor ->
dbg_out("~p was ~p by supervisor~n",[?MODULE, R]),
{stop, R, State};
-handle_info({'EXIT', Pid, fatal}, State) when node(Pid) == node() ->
+handle_info({'EXIT', Pid, fatal}, State) when node(Pid) == node() ->
dbg_out("~p got FATAL ERROR from: ~p~n",[?MODULE, Pid]),
exit(State#state.supervisor, shutdown),
{noreply, State};
@@ -550,7 +550,7 @@ handle_info(Msg = {'EXIT',Pid,_}, State) ->
Node /= node() ->
{noreply, State#state{mq = State#state.mq ++ [{info, Msg}]}};
true ->
- %% We have probably got an exit signal from
+ %% We have probably got an exit signal from
%% disk_log or dets
Hint = "Hint: check that the disk still is writable",
fatal("~p got unexpected info: ~p; ~p~n",
@@ -567,10 +567,10 @@ handle_info({nodeup, Node}, State) ->
%% Let's check if Mnesia is running there in order
%% to detect if the network has been partitioned
%% due to communication failure.
-
+
HasDown = mnesia_recover:has_mnesia_down(Node),
ImRunning = mnesia_lib:is_running(),
-
+
if
%% If I'm not running the test will be made later.
HasDown == true, ImRunning == yes ->
@@ -589,7 +589,7 @@ handle_info({disk_log, _Node, Log, Info}, State) ->
{truncated, _No} ->
ok;
_ ->
- mnesia_lib:important("Warning Log file ~p error reason ~s~n",
+ mnesia_lib:important("Warning Log file ~p error reason ~s~n",
[Log, disk_log:format_error(Info)])
end,
{noreply, State};
@@ -681,38 +681,38 @@ env() ->
send_compressed
].
-default_env(access_module) ->
+default_env(access_module) ->
mnesia;
-default_env(auto_repair) ->
+default_env(auto_repair) ->
true;
-default_env(backup_module) ->
+default_env(backup_module) ->
mnesia_backup;
-default_env(debug) ->
+default_env(debug) ->
none;
default_env(dir) ->
Name = lists:concat(["Mnesia.", node()]),
filename:absname(Name);
-default_env(dump_log_load_regulation) ->
+default_env(dump_log_load_regulation) ->
false;
-default_env(dump_log_time_threshold) ->
+default_env(dump_log_time_threshold) ->
timer:minutes(3);
-default_env(dump_log_update_in_place) ->
+default_env(dump_log_update_in_place) ->
true;
default_env(dump_log_write_threshold) ->
1000;
-default_env(embedded_mnemosyne) ->
+default_env(embedded_mnemosyne) ->
false;
-default_env(event_module) ->
+default_env(event_module) ->
mnesia_event;
-default_env(extra_db_nodes) ->
+default_env(extra_db_nodes) ->
[];
-default_env(ignore_fallback_at_startup) ->
+default_env(ignore_fallback_at_startup) ->
false;
default_env(fallback_error_function) ->
{mnesia, lkill};
-default_env(max_wait_for_decision) ->
+default_env(max_wait_for_decision) ->
infinity;
-default_env(schema_location) ->
+default_env(schema_location) ->
opt_disc;
default_env(core_dir) ->
false;
@@ -732,7 +732,7 @@ check_type(Env, Val) ->
NewVal ->
NewVal
end.
-
+
do_check_type(access_module, A) when is_atom(A) -> A;
do_check_type(auto_repair, B) -> bool(B);
do_check_type(backup_module, B) when is_atom(B) -> B;
@@ -749,7 +749,7 @@ do_check_type(dump_log_update_in_place, B) -> bool(B);
do_check_type(dump_log_write_threshold, I) when is_integer(I), I > 0 -> I;
do_check_type(event_module, A) when is_atom(A) -> A;
do_check_type(ignore_fallback_at_startup, B) -> bool(B);
-do_check_type(fallback_error_function, {Mod, Func})
+do_check_type(fallback_error_function, {Mod, Func})
when is_atom(Mod), is_atom(Func) -> {Mod, Func};
do_check_type(embedded_mnemosyne, B) -> bool(B);
do_check_type(extra_db_nodes, L) when is_list(L) ->
@@ -804,8 +804,8 @@ detect_inconcistency(Nodes, Context) ->
has_remote_mnesia_down(Node) ->
HasDown = mnesia_recover:has_mnesia_down(Node),
Master = mnesia_recover:get_master_nodes(schema),
- if
- HasDown == true, Master == [] ->
+ if
+ HasDown == true, Master == [] ->
{true, node()};
true ->
{false, node()}
diff --git a/lib/mnesia/src/mnesia_recover.erl b/lib/mnesia/src/mnesia_recover.erl
index b3eed1de6e..4750291a10 100644
--- a/lib/mnesia/src/mnesia_recover.erl
+++ b/lib/mnesia/src/mnesia_recover.erl
@@ -227,11 +227,13 @@ do_log_decision(D, DoTell, NodeD) ->
note_outcome(D2),
case mnesia_monitor:use_dir() of
true ->
- mnesia_log:append(latest_log, D2),
if
DoTell == true, Outcome /= unclear ->
tell_im_certain(NodeD#decision.disc_nodes--[node()],D2),
- tell_im_certain(NodeD#decision.ram_nodes--[node()], D2);
+ tell_im_certain(NodeD#decision.ram_nodes--[node()], D2),
+ mnesia_log:log(D2);
+ Outcome /= unclear ->
+ mnesia_log:log(D2);
true ->
ignore
end;
diff --git a/lib/mnesia/src/mnesia_schema.erl b/lib/mnesia/src/mnesia_schema.erl
index fef72ad39c..05be474aea 100644
--- a/lib/mnesia/src/mnesia_schema.erl
+++ b/lib/mnesia/src/mnesia_schema.erl
@@ -100,7 +100,7 @@
]).
%% Needed outside to be able to use/set table_properties
-%% from user (not supported)
+%% from user (not supported)
-export([schema_transaction/1,
insert_schema_ops/2,
do_create_table/1,
@@ -118,9 +118,9 @@
%% Here comes the init function which also resides in
%% this module, it is called upon by the trans server
%% at startup of the system
-%%
+%%
%% We have a meta table which looks like
-%% {table, schema,
+%% {table, schema,
%% {type, set},
%% {disc_copies, all},
%% {arity, 2}
@@ -149,14 +149,14 @@ exit_on_error(GoodRes) ->
val(Var) ->
case ?catch_val(Var) of
- {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
- Value -> Value
+ {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
+ Value -> Value
end.
%% This function traverses all cstructs in the schema and
%% sets all values in mnesia_gvar accordingly for each table/cstruct
-set_schema('$end_of_table') ->
+set_schema('$end_of_table') ->
[];
set_schema(Tab) ->
do_set_schema(Tab),
@@ -253,8 +253,8 @@ version() ->
incr_version(Cs) ->
{{Major, Minor}, _} = Cs#cstruct.version,
Nodes = mnesia_lib:intersect(val({schema, disc_copies}),
- mnesia_lib:cs_to_nodes(Cs)),
- V =
+ mnesia_lib:cs_to_nodes(Cs)),
+ V =
case Nodes -- val({Cs#cstruct.name, active_replicas}) of
[] -> {Major + 1, 0}; % All replicas are active
_ -> {Major, Minor + 1} % Some replicas are inactive
@@ -359,7 +359,7 @@ delete_schema2() ->
{error, Reason} ->
{error, Reason}
end.
-
+
ensure_no_schema([H|T]) when is_atom(H) ->
case rpc:call(H, ?MODULE, remote_read_schema, []) of
{badrpc, Reason} ->
@@ -407,7 +407,7 @@ opt_create_dir(UseDir, Dir) when UseDir == true->
check_can_write(Dir);
false ->
case file:make_dir(Dir) of
- ok ->
+ ok ->
verbose("Create Directory ~p~n", [Dir]),
ok;
{error, Reason} ->
@@ -417,7 +417,7 @@ opt_create_dir(UseDir, Dir) when UseDir == true->
end;
opt_create_dir(false, _) ->
{error, {has_no_disc, node()}}.
-
+
check_can_write(Dir) ->
case file:read_file_info(Dir) of
{ok, FI} when FI#file_info.type == directory,
@@ -450,7 +450,7 @@ read_schema(Keep) ->
read_schema(Keep, IgnoreFallback) ->
lock_schema(),
- Res =
+ Res =
case mnesia:system_info(is_running) of
yes ->
{ok, ram, get_create_list(schema)};
@@ -477,7 +477,7 @@ read_disc_schema(Keep, IgnoreFallback) ->
case mnesia_bup:fallback_exists() of
true when IgnoreFallback == false, Running /= yes ->
mnesia_bup:fallback_to_schema();
- _ ->
+ _ ->
%% If we're running, we read the schema file even
%% if fallback exists
Dat = mnesia_lib:tab2dat(schema),
@@ -499,7 +499,7 @@ read_disc_schema(Keep, IgnoreFallback) ->
end.
do_read_disc_schema(Fname, Keep) ->
- T =
+ T =
case Keep of
false ->
Args = [{keypos, 2}, public, set],
@@ -523,7 +523,7 @@ do_read_disc_schema(Fname, Keep) ->
get_initial_schema(SchemaStorage, Nodes) ->
Cs = #cstruct{name = schema,
record_name = schema,
- attributes = [table, cstruct]},
+ attributes = [table, cstruct]},
Cs2 =
case SchemaStorage of
ram_copies -> Cs#cstruct{ram_copies = Nodes};
@@ -532,7 +532,7 @@ get_initial_schema(SchemaStorage, Nodes) ->
cs2list(Cs2).
read_cstructs_from_disc() ->
- %% Assumptions:
+ %% Assumptions:
%% - local schema lock in global
%% - use_dir is true
%% - Mnesia is not running
@@ -552,14 +552,14 @@ read_cstructs_from_disc() ->
end,
Cstructs = dets:traverse(Tab, Fun),
dets:close(Tab),
- {ok, Cstructs};
+ {ok, Cstructs};
{error, Reason} ->
{error, Reason}
end;
false ->
{error, "No schema file exists"}
end.
-
+
%% We run a very special type of transactions when we
%% we want to manipulate the schema.
@@ -593,20 +593,20 @@ schema_transaction(Fun) ->
%% This process may dump the transaction log, and should
%% therefore not be run in an application process
-%%
+%%
schema_coordinator(Client, _Fun, undefined) ->
Res = {aborted, {node_not_running, node()}},
Client ! {transaction_done, Res, self()},
unlink(Client);
-
+
schema_coordinator(Client, Fun, Controller) when is_pid(Controller) ->
%% Do not trap exit in order to automatically die
%% when the controller dies
link(Controller),
unlink(Client),
-
- %% Fulfull the transaction even if the client dies
+
+ %% Fulfull the transaction even if the client dies
Res = mnesia:transaction(Fun),
Client ! {transaction_done, Res, self()},
unlink(Controller), % Avoids spurious exit message
@@ -619,7 +619,7 @@ schema_coordinator(Client, Fun, Controller) when is_pid(Controller) ->
insert_schema_ops({_Mod, _Tid, Ts}, SchemaIOps) ->
do_insert_schema_ops(Ts#tidstore.store, SchemaIOps).
-
+
do_insert_schema_ops(Store, [Head | Tail]) ->
?ets_insert(Store, Head),
do_insert_schema_ops(Store, Tail);
@@ -628,15 +628,56 @@ do_insert_schema_ops(_Store, []) ->
cs2list(Cs) when is_record(Cs, cstruct) ->
Tags = record_info(fields, cstruct),
- rec2list(Tags, 2, Cs);
+ rec2list(Tags, Tags, 2, Cs);
cs2list(CreateList) when is_list(CreateList) ->
- CreateList.
-
-rec2list([Tag | Tags], Pos, Rec) ->
+ CreateList;
+%% 4.4.19
+cs2list(Cs) when element(1, Cs) == cstruct, tuple_size(Cs) == 18 ->
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,majority,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Tags, 2, Cs);
+%% 4.4.18 and earlier
+cs2list(Cs) when element(1, Cs) == cstruct, tuple_size(Cs) == 17 ->
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Tags, 2, Cs).
+
+cs2list(false, Cs) ->
+ cs2list(Cs);
+cs2list(ver4_4_18, Cs) ->
+ Orig = record_info(fields, cstruct),
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Orig, 2, Cs);
+cs2list(ver4_4_19, Cs) ->
+ Orig = record_info(fields, cstruct),
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,majority,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Orig, 2, Cs).
+
+rec2list([Tag | Tags], [Tag | Orig], Pos, Rec) ->
Val = element(Pos, Rec),
- [{Tag, Val} | rec2list(Tags, Pos + 1, Rec)];
-rec2list([], _Pos, _Rec) ->
- [].
+ [{Tag, Val} | rec2list(Tags, Orig, Pos + 1, Rec)];
+rec2list([], _, _Pos, _Rec) ->
+ [];
+rec2list(Tags, [_|Orig], Pos, Rec) ->
+ rec2list(Tags, Orig, Pos+1, Rec).
+
+api_list2cs(List) when is_list(List) ->
+ Name = pick(unknown, name, List, must),
+ Keys = check_keys(Name, List, record_info(fields, cstruct)),
+ check_duplicates(Name, Keys),
+ list2cs(List);
+api_list2cs(Other) ->
+ mnesia:abort({badarg, Other}).
list2cs(List) when is_list(List) ->
Name = pick(unknown, name, List, must),
@@ -667,10 +708,7 @@ list2cs(List) when is_list(List) ->
Frag = pick(Name, frag_properties, List, []),
verify({alt, [nil, list]}, mnesia_lib:etype(Frag),
- {badarg, Name, {frag_properties, Frag}}),
-
- Keys = check_keys(Name, List, record_info(fields, cstruct)),
- check_duplicates(Name, Keys),
+ {badarg, Name, {frag_properties, Frag}}),
#cstruct{name = Name,
ram_copies = Rc,
disc_copies = Dc,
@@ -687,9 +725,7 @@ list2cs(List) when is_list(List) ->
user_properties = lists:sort(UserProps),
frag_properties = lists:sort(Frag),
cookie = Cookie,
- version = Version};
-list2cs(Other) ->
- mnesia:abort({badarg, Other}).
+ version = Version}.
pick(Tab, Key, List, Default) ->
case lists:keysearch(Key, 1, List) of
@@ -708,7 +744,7 @@ attr_tab_to_pos(_Tab, Pos) when is_integer(Pos) ->
Pos;
attr_tab_to_pos(Tab, Attr) ->
attr_to_pos(Attr, val({Tab, attributes})).
-
+
%% Convert attribute name to integer if neccessary
attr_to_pos(Pos, _Attrs) when is_integer(Pos) ->
Pos;
@@ -723,7 +759,7 @@ attr_to_pos(Attr, [_ | Attrs], Pos) ->
attr_to_pos(Attr, Attrs, Pos + 1);
attr_to_pos(Attr, _, _) ->
mnesia:abort({bad_type, Attr}).
-
+
check_keys(Tab, [{Key, _Val} | Tail], Items) ->
case lists:member(Key, Items) of
true -> [Key | check_keys(Tab, Tail, Items)];
@@ -759,7 +795,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
{bad_type, Tab, {type, Type}}),
%% Currently ordered_set is not supported for disk_only_copies.
- if
+ if
Type == ordered_set, Cs#cstruct.disc_only_copies /= [] ->
mnesia:abort({bad_type, Tab, {not_supported, Type, disc_only_copies}});
true ->
@@ -776,10 +812,10 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
Arity = length(Attrs) + 1,
verify(true, Arity > 2, {bad_type, Tab, {attributes, Attrs}}),
-
+
lists:foldl(fun(Attr,_Other) when Attr == snmp ->
mnesia:abort({bad_type, Tab, {attributes, [Attr]}});
- (Attr,Other) ->
+ (Attr,Other) ->
verify(atom, mnesia_lib:etype(Attr),
{bad_type, Tab, {attributes, [Attr]}}),
verify(false, lists:member(Attr, Other),
@@ -792,7 +828,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
Index = Cs#cstruct.index,
verify({alt, [nil, list]}, mnesia_lib:etype(Index),
{bad_type, Tab, {index, Index}}),
-
+
IxFun =
fun(Pos) ->
verify(true, fun() ->
@@ -807,7 +843,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
{bad_type, Tab, {index, [Pos]}})
end,
lists:foreach(IxFun, Index),
-
+
LC = Cs#cstruct.local_content,
verify({alt, [true, false]}, LC,
{bad_type, Tab, {local_content, LC}}),
@@ -834,7 +870,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
lists:foreach(CheckProp, Cs#cstruct.user_properties),
case Cs#cstruct.cookie of
- {{MegaSecs, Secs, MicroSecs}, _Node}
+ {{MegaSecs, Secs, MicroSecs}, _Node}
when is_integer(MegaSecs), is_integer(Secs),
is_integer(MicroSecs), is_atom(node) ->
ok;
@@ -870,15 +906,15 @@ verify_nodes(Cs) ->
end,
verify(integer, mnesia_lib:etype(LoadOrder),
{bad_type, Tab, {load_order, LoadOrder}}),
-
+
Nodes = Ram ++ Disc ++ DiscOnly,
verify(list, mnesia_lib:etype(Nodes),
{combine_error, Tab,
[{ram_copies, []}, {disc_copies, []}, {disc_only_copies, []}]}),
verify(false, has_duplicates(Nodes), {combine_error, Tab, Nodes}),
- AtomCheck = fun(N) -> verify(atom, mnesia_lib:etype(N), {bad_type, Tab, N}) end,
+ AtomCheck = fun(N) -> verify(atom, mnesia_lib:etype(N), {bad_type, Tab, N}) end,
lists:foreach(AtomCheck, Nodes).
-
+
verify(Expected, Fun, Error) when is_function(Fun) ->
do_verify(Expected, catch Fun(), Error);
verify(Expected, Actual, Error) ->
@@ -909,7 +945,7 @@ ensure_active(Cs, What) ->
W = {Tab, What},
ensure_non_empty(W),
Nodes = mnesia_lib:intersect(val({schema, disc_copies}),
- mnesia_lib:cs_to_nodes(Cs)),
+ mnesia_lib:cs_to_nodes(Cs)),
case Nodes -- val(W) of
[] ->
ok;
@@ -936,7 +972,7 @@ ensure_non_empty({Tab, Vhat}) ->
ensure_not_active(Tab = schema, Node) ->
Active = val({Tab, active_replicas}),
- case lists:member(Node, Active) of
+ case lists:member(Node, Active) of
false when Active =/= [] ->
ok;
false ->
@@ -970,7 +1006,7 @@ create_table(TabDef) ->
do_multi_create_table(TabDef) ->
get_tid_ts_and_lock(schema, write),
ensure_writable(schema),
- Cs = list2cs(TabDef),
+ Cs = api_list2cs(TabDef),
case Cs#cstruct.frag_properties of
[] ->
do_create_table(Cs);
@@ -999,7 +1035,7 @@ unsafe_make_create_table(Cs) ->
{_Mod, Tid, Ts} = get_tid_ts_and_lock(schema, none),
verify_cstruct(Cs),
Tab = Cs#cstruct.name,
-
+
%% Check that we have all disc replica nodes running
DiscNodes = Cs#cstruct.disc_copies ++ Cs#cstruct.disc_only_copies,
RunningNodes = val({current, db_nodes}),
@@ -1017,7 +1053,7 @@ unsafe_make_create_table(Cs) ->
check_if_exists(Tab) ->
TidTs = get_tid_ts_and_lock(schema, write),
{_, _, Ts} = TidTs,
- Store = Ts#tidstore.store,
+ Store = Ts#tidstore.store,
ets:foldl(
fun({op, create_table, [{name, T}|_]}, _Acc) when T==Tab ->
true;
@@ -1054,7 +1090,7 @@ make_delete_table(Tab, Mode) ->
%% nodes etc.
TidTs = get_tid_ts_and_lock(schema, write),
{_, _, Ts} = TidTs,
- Store = Ts#tidstore.store,
+ Store = Ts#tidstore.store,
Deleted = ets:select_delete(
Store, [{{op,'$1',[{name,Tab}|'_']},
[{'or',
@@ -1077,9 +1113,9 @@ make_delete_table(Tab, Mode) ->
[] ->
[make_delete_table2(Tab)];
_Props ->
- %% Check if it is a base table
- mnesia_frag:lookup_frag_hash(Tab),
-
+ %% Check if it is a base table
+ mnesia_frag:lookup_frag_hash(Tab),
+
%% Check for foreigners
F = mnesia_frag:lookup_foreigners(Tab),
verify([], F, {combine_error,
@@ -1101,7 +1137,7 @@ make_delete_table2(Tab) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Change fragmentation of a table
-
+
change_table_frag(Tab, Change) ->
schema_transaction(fun() -> do_change_table_frag(Tab, Change) end).
@@ -1112,7 +1148,7 @@ do_change_table_frag(Tab, Change) when is_atom(Tab), Tab /= schema ->
ok;
do_change_table_frag(Tab, _Change) ->
mnesia:abort({bad_type, Tab}).
-
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Clear a table
@@ -1150,7 +1186,7 @@ make_add_table_copy(Tab, Node, Storage) ->
verify(false, lists:member(Node, Ns), {already_exists, Tab, Node}),
Cs2 = new_cs(Cs, Node, Storage, add),
verify_cstruct(Cs2),
-
+
%% Check storage and if node is running
IsRunning = lists:member(Node, val({current, db_nodes})),
if
@@ -1177,21 +1213,21 @@ del_table_copy(Tab, Node) ->
do_del_table_copy(Tab, Node) when is_atom(Node) ->
TidTs = get_tid_ts_and_lock(schema, write),
-%% get_tid_ts_and_lock(Tab, write),
+%% get_tid_ts_and_lock(Tab, write),
insert_schema_ops(TidTs, make_del_table_copy(Tab, Node));
do_del_table_copy(Tab, Node) ->
mnesia:abort({badarg, Tab, Node}).
-
+
make_del_table_copy(Tab, Node) ->
ensure_writable(schema),
Cs = incr_version(val({Tab, cstruct})),
Storage = mnesia_lib:schema_cs_to_storage_type(Node, Cs),
- Cs2 = new_cs(Cs, Node, Storage, del),
+ Cs2 = new_cs(Cs, Node, Storage, del),
case mnesia_lib:cs_to_nodes(Cs2) of
[] when Tab == schema ->
mnesia:abort({combine_error, Tab, "Last replica"});
[] ->
- ensure_active(Cs),
+ ensure_active(Cs),
dbg_out("Last replica deleted in table ~p~n", [Tab]),
make_delete_table(Tab, whole_table);
_ when Tab == schema ->
@@ -1210,14 +1246,14 @@ remove_node_from_tabs([], _Node) ->
[];
remove_node_from_tabs([schema|Rest], Node) ->
remove_node_from_tabs(Rest, Node);
-remove_node_from_tabs([Tab|Rest], Node) ->
- {Cs, IsFragModified} =
+remove_node_from_tabs([Tab|Rest], Node) ->
+ {Cs, IsFragModified} =
mnesia_frag:remove_node(Node, incr_version(val({Tab, cstruct}))),
case mnesia_lib:schema_cs_to_storage_type(Node, Cs) of
unknown ->
case IsFragModified of
true ->
- [{op, change_table_frag, {del_node, Node}, cs2list(Cs)} |
+ [{op, change_table_frag, {del_node, Node}, cs2list(Cs)} |
remove_node_from_tabs(Rest, Node)];
false ->
remove_node_from_tabs(Rest, Node)
@@ -1246,7 +1282,7 @@ new_cs(Cs, Node, ram_copies, del) ->
new_cs(Cs, Node, disc_copies, del) ->
Cs#cstruct{disc_copies = lists:delete(Node , Cs#cstruct.disc_copies)};
new_cs(Cs, Node, disc_only_copies, del) ->
- Cs#cstruct{disc_only_copies =
+ Cs#cstruct{disc_only_copies =
lists:delete(Node , Cs#cstruct.disc_only_copies)};
new_cs(Cs, _Node, Storage, _Op) ->
mnesia:abort({badarg, Cs#cstruct.name, Storage}).
@@ -1278,7 +1314,7 @@ make_move_table(Tab, FromNode, ToNode) ->
Running = val({current, db_nodes}),
Storage = mnesia_lib:schema_cs_to_storage_type(FromNode, Cs),
verify(true, lists:member(ToNode, Running), {not_active, schema, ToNode}),
-
+
Cs2 = new_cs(Cs, ToNode, Storage, add),
Cs3 = new_cs(Cs2, FromNode, Storage, del),
verify_cstruct(Cs3),
@@ -1306,7 +1342,7 @@ make_change_table_copy_type(Tab, Node, unknown) ->
make_change_table_copy_type(Tab, Node, ToS) ->
ensure_writable(schema),
Cs = incr_version(val({Tab, cstruct})),
- FromS = mnesia_lib:storage_type_at_node(Node, Tab),
+ FromS = mnesia_lib:storage_type_at_node(Node, Tab),
case compare_storage_type(false, FromS, ToS) of
{same, _} ->
@@ -1320,12 +1356,12 @@ make_change_table_copy_type(Tab, Node, ToS) ->
Cs2 = new_cs(Cs, Node, FromS, del),
Cs3 = new_cs(Cs2, Node, ToS, add),
verify_cstruct(Cs3),
-
+
[{op, change_table_copy_type, Node, FromS, ToS, cs2list(Cs3)}].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% change index functions ....
-%% Pos is allready added by 1 in both of these functions
+%% Pos is allready added by 1 in both of these functions
add_table_index(Tab, Pos) ->
schema_transaction(fun() -> do_add_table_index(Tab, Pos) end).
@@ -1412,14 +1448,14 @@ make_del_snmp(Tab) ->
[{op, del_snmp, cs2list(Cs2)}].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%
+%%
-transform_table(Tab, Fun, NewAttrs, NewRecName)
- when is_function(Fun), is_list(NewAttrs), is_atom(NewRecName) ->
+transform_table(Tab, Fun, NewAttrs, NewRecName)
+ when is_function(Fun), is_list(NewAttrs), is_atom(NewRecName) ->
schema_transaction(fun() -> do_transform_table(Tab, Fun, NewAttrs, NewRecName) end);
-transform_table(Tab, ignore, NewAttrs, NewRecName)
- when is_list(NewAttrs), is_atom(NewRecName) ->
+transform_table(Tab, ignore, NewAttrs, NewRecName)
+ when is_list(NewAttrs), is_atom(NewRecName) ->
schema_transaction(fun() -> do_transform_table(Tab, ignore, NewAttrs, NewRecName) end);
transform_table(Tab, Fun, NewAttrs, NewRecName) ->
@@ -1438,7 +1474,7 @@ make_transform(Tab, Fun, NewAttrs, NewRecName) ->
ensure_active(Cs),
ensure_writable(Tab),
case mnesia_lib:val({Tab, index}) of
- [] ->
+ [] ->
Cs2 = Cs#cstruct{attributes = NewAttrs, record_name = NewRecName},
verify_cstruct(Cs2),
[{op, transform, Fun, cs2list(Cs2)}];
@@ -1464,7 +1500,7 @@ make_transform(Tab, Fun, NewAttrs, NewRecName) ->
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%
+%%
change_table_access_mode(Tab, Mode) ->
schema_transaction(fun() -> do_change_table_access_mode(Tab, Mode) end).
@@ -1598,9 +1634,9 @@ change_prop_in_existing_op(Tab, Prop, How, Store) ->
false ->
false
end.
-
-update_existing_op([{op, Op, L = [{name,Tab}|_], _OldProp}|Ops],
- Tab, Prop, How, Acc) when Op == write_property;
+
+update_existing_op([{op, Op, L = [{name,Tab}|_], _OldProp}|Ops],
+ Tab, Prop, How, Acc) when Op == write_property;
Op == delete_property ->
%% Apparently, mnesia_dumper doesn't care about OldProp here -- just L,
%% so we will throw away OldProp (not that it matters...) and insert Prop.
@@ -1625,7 +1661,7 @@ update_existing_op([], _, _, _, _) ->
do_read_table_property(Tab, Key) ->
TidTs = get_tid_ts_and_lock(schema, read),
{_, _, Ts} = TidTs,
- Store = Ts#tidstore.store,
+ Store = Ts#tidstore.store,
Props = ets:foldl(
fun({op, create_table, [{name, T}|Opts]}, _Acc)
when T==Tab ->
@@ -1689,7 +1725,7 @@ do_delete_table_property(Tab, PropKey) ->
[Tab,PropKey]),
%% this must be an existing table
get_tid_ts_and_lock(Tab, none),
- insert_schema_ops(TidTs,
+ insert_schema_ops(TidTs,
make_delete_table_properties(Tab, [PropKey]))
end.
@@ -1711,17 +1747,17 @@ make_delete_table_properties(_Tab, [], _Cs) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Ensure that the transaction can be committed even
+%% Ensure that the transaction can be committed even
%% if the node crashes and Mnesia is restarted
prepare_commit(Tid, Commit, WaitFor) ->
case Commit#commit.schema_ops of
[] ->
{false, Commit, optional};
OrigOps ->
- {Modified, Ops, DumperMode} =
+ {Modified, Ops, DumperMode} =
prepare_ops(Tid, OrigOps, WaitFor, false, [], optional),
InitBy = schema_prepare,
- GoodRes = {Modified,
+ GoodRes = {Modified,
Commit#commit{schema_ops = lists:reverse(Ops)},
DumperMode},
case DumperMode of
@@ -1737,7 +1773,7 @@ prepare_commit(Tid, Commit, WaitFor) ->
end
end,
case Ops of
- [] ->
+ [] ->
ignore;
_ ->
%% We need to grab a dumper lock here, the log may not
@@ -1749,20 +1785,20 @@ prepare_commit(Tid, Commit, WaitFor) ->
prepare_ops(Tid, [Op | Ops], WaitFor, Changed, Acc, DumperMode) ->
case prepare_op(Tid, Op, WaitFor) of
- {true, mandatory} ->
+ {true, mandatory} ->
prepare_ops(Tid, Ops, WaitFor, Changed, [Op | Acc], mandatory);
- {true, optional} ->
+ {true, optional} ->
prepare_ops(Tid, Ops, WaitFor, Changed, [Op | Acc], DumperMode);
- {true, Ops2, mandatory} ->
+ {true, Ops2, mandatory} ->
prepare_ops(Tid, Ops, WaitFor, true, Ops2 ++ Acc, mandatory);
- {true, Ops2, optional} ->
+ {true, Ops2, optional} ->
prepare_ops(Tid, Ops, WaitFor, true, Ops2 ++ Acc, DumperMode);
- {false, optional} ->
+ {false, optional} ->
prepare_ops(Tid, Ops, WaitFor, true, Acc, DumperMode)
end;
prepare_ops(_Tid, [], _WaitFor, Changed, Acc, DumperMode) ->
{Changed, Acc, DumperMode}.
-
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Prepare for commit
%% returns true if Op should be included, i.e. unmodified
@@ -1781,8 +1817,8 @@ prepare_op(_Tid, {op, rec, unknown, Rec}, _WaitFor) ->
prepare_op(_Tid, {op, announce_im_running, Node, SchemaDef, Running, RemoteRunning}, _WaitFor) ->
SchemaCs = list2cs(SchemaDef),
- if
- Node == node() -> %% Announce has already run on local node
+ if
+ Node == node() -> %% Announce has already run on local node
ignore; %% from do_merge_schema
true ->
%% If a node has restarted it may still linger in db_nodes,
@@ -1794,9 +1830,9 @@ prepare_op(_Tid, {op, announce_im_running, Node, SchemaDef, Running, RemoteRunni
end,
{false, optional};
-prepare_op(_Tid, {op, sync_trans}, {part, CoordPid}) ->
+prepare_op(_Tid, {op, sync_trans}, {part, CoordPid}) ->
CoordPid ! {sync_trans, self()},
- receive
+ receive
{sync_trans, CoordPid} ->
{false, optional};
{mnesia_down, _Node} = Else ->
@@ -1807,7 +1843,7 @@ prepare_op(_Tid, {op, sync_trans}, {part, CoordPid}) ->
mnesia:abort(Else)
end;
-prepare_op(_Tid, {op, sync_trans}, {coord, Nodes}) ->
+prepare_op(_Tid, {op, sync_trans}, {coord, Nodes}) ->
case receive_sync(Nodes, []) of
{abort, Reason} ->
mnesia_lib:verbose("sync_op terminated due to ~p~n", [Reason]),
@@ -1838,7 +1874,7 @@ prepare_op(Tid, {op, create_table, TabDef}, _WaitFor) ->
create_ram_table(Tab, Cs#cstruct.type),
create_disc_table(Tab),
insert_cstruct(Tid, Cs, false),
- {true, optional};
+ {true, optional};
disc_only_copies ->
mnesia_lib:set({Tab, create_table},true),
create_disc_only_table(Tab,Cs#cstruct.type),
@@ -1857,15 +1893,15 @@ prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}, _WaitFor) ->
if
Tab == schema ->
{true, optional};
-
+
Node == node() ->
- case mnesia_lib:val({schema, storage_type}) of
- ram_copies when Storage /= ram_copies ->
+ case mnesia_lib:val({schema, storage_type}) of
+ ram_copies when Storage /= ram_copies ->
Error = {combine_error, Tab, "has no disc", Node},
mnesia:abort(Error);
_ ->
ok
- end,
+ end,
%% Tables are created by mnesia_loader get_network code
insert_cstruct(Tid, Cs, true),
case mnesia_controller:get_network_copy(Tab, Cs) of
@@ -1902,22 +1938,22 @@ prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}, _WaitFor) ->
prepare_op(Tid, {op, del_table_copy, _Storage, Node, TabDef}, _WaitFor) ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
-
+
if
%% Schema table lock is always required to run a schema op.
%% No need to look it.
- node(Tid#tid.pid) == node(), Tab /= schema ->
+ node(Tid#tid.pid) == node(), Tab /= schema ->
Self = self(),
Pid = spawn_link(fun() -> lock_del_table(Tab, Node, Cs, Self) end),
put(mnesia_lock, Pid),
- receive
- {Pid, updated} ->
+ receive
+ {Pid, updated} ->
{true, optional};
{Pid, FailReason} ->
mnesia:abort(FailReason);
{'EXIT', Pid, Reason} ->
mnesia:abort(Reason)
- end;
+ end;
true ->
{true, optional}
end;
@@ -1928,12 +1964,12 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
Tab = Cs#cstruct.name,
NotActive = mnesia_lib:not_active_here(Tab),
-
- if
+
+ if
NotActive == true ->
mnesia:abort({not_active, Tab, node()});
-
- Tab == schema ->
+
+ Tab == schema ->
case {FromS, ToS} of
{ram_copies, disc_copies} ->
case mnesia:system_info(schema_location) of
@@ -1943,7 +1979,7 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
mnesia:abort({combine_error, Tab, node(),
"schema_location must be opt_disc"})
end,
- Dir = mnesia_lib:dir(),
+ Dir = mnesia_lib:dir(),
case opt_create_dir(true, Dir) of
ok ->
purge_dir(Dir, []),
@@ -1967,18 +2003,18 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
_ ->
mnesia:abort({combine_error, Tab, ToS})
end;
-
- FromS == ram_copies ->
+
+ FromS == ram_copies ->
case mnesia_monitor:use_dir() of
- true ->
+ true ->
Dat = mnesia_lib:tab2dcd(Tab),
case mnesia_lib:exists(Dat) of
true ->
mnesia:abort({combine_error, Tab, node(),
"Table dump exists"});
false ->
- case ToS of
- disc_copies ->
+ case ToS of
+ disc_copies ->
mnesia_log:ets2dcd(Tab, dmp);
disc_only_copies ->
mnesia_dumper:raw_named_dump_table(Tab, dmp)
@@ -1988,7 +2024,7 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
false ->
mnesia:abort({has_no_disc, node()})
end;
-
+
FromS == disc_copies, ToS == disc_only_copies ->
mnesia_dumper:raw_named_dump_table(Tab, dmp);
FromS == disc_only_copies ->
@@ -2020,7 +2056,7 @@ prepare_op(_Tid, {op, dump_table, unknown, TabDef}, _WaitFor) ->
case lists:member(node(), Cs#cstruct.ram_copies) of
true ->
case mnesia_monitor:use_dir() of
- true ->
+ true ->
mnesia_log:ets2dcd(Tab, dmp),
Size = mnesia:table_info(Tab, size),
{true, [{op, dump_table, Size, TabDef}], optional};
@@ -2058,7 +2094,7 @@ prepare_op(_Tid, {op, transform, Fun, TabDef}, _WaitFor) ->
mnesia_lib:db_fixtable(Storage, Tab, true),
Key = mnesia_lib:db_first(Tab),
Op = {op, transform, Fun, TabDef},
- case catch transform_objs(Fun, Tab, RecName,
+ case catch transform_objs(Fun, Tab, RecName,
Key, NewArity, Storage, Type, [Op]) of
{'EXIT', Reason} ->
mnesia_lib:db_fixtable(Storage, Tab, false),
@@ -2072,7 +2108,7 @@ prepare_op(_Tid, {op, transform, Fun, TabDef}, _WaitFor) ->
prepare_op(_Tid, {op, merge_schema, TabDef}, _WaitFor) ->
Cs = list2cs(TabDef),
case verify_merge(Cs) of
- ok ->
+ ok ->
{true, optional};
Error ->
verbose("Merge_Schema ~p failed on ~p: ~p~n", [_Tid,node(),Error]),
@@ -2093,7 +2129,7 @@ create_ram_table(Tab, Type) ->
create_disc_table(Tab) ->
File = mnesia_lib:tab2dcd(Tab),
file:delete(File),
- FArg = [{file, File}, {name, {mnesia,create}},
+ FArg = [{file, File}, {name, {mnesia,create}},
{repair, false}, {mode, read_write}],
case mnesia_monitor:open_log(FArg) of
{ok,Log} ->
@@ -2124,7 +2160,7 @@ receive_sync([], Pids) ->
receive_sync(Nodes, Pids) ->
receive
{sync_trans, Pid} ->
- Node = node(Pid),
+ Node = node(Pid),
receive_sync(lists:delete(Node, Nodes), [Pid | Pids]);
Else ->
{abort, Else}
@@ -2140,16 +2176,16 @@ lock_del_table(Tab, Node, Cs, Father) ->
false;
({badrpc, {'EXIT', {undef, _}}}) ->
%% This will be the case we talks with elder nodes
- %% than 3.8.2, they will set where_to_read without
- %% getting a lock.
+ %% than 3.8.2, they will set where_to_read without
+ %% getting a lock.
false;
(_) ->
true
end,
case lists:filter(Filter, Res) of
- [] ->
+ [] ->
Father ! {self(), updated},
- %% When transaction is commited the process dies
+ %% When transaction is commited the process dies
%% and the lock is released.
receive _ -> ok end;
Err ->
@@ -2166,7 +2202,7 @@ lock_del_table(Tab, Node, Cs, Father) ->
exit(normal).
set_where_to_read(Tab, Node, Cs) ->
- case mnesia_lib:val({Tab, where_to_read}) of
+ case mnesia_lib:val({Tab, where_to_read}) of
Node ->
case Cs#cstruct.local_content of
true ->
@@ -2185,16 +2221,16 @@ transform_objs(_Fun, _Tab, _RT, '$end_of_table', _NewArity, _Storage, _Type, Acc
transform_objs(Fun, Tab, RecName, Key, A, Storage, Type, Acc) ->
Objs = mnesia_lib:db_get(Tab, Key),
NextKey = mnesia_lib:db_next_key(Tab, Key),
- Oid = {Tab, Key},
+ Oid = {Tab, Key},
NewObjs = {Ws, Ds} = transform_obj(Tab, RecName, Key, Fun, Objs, A, Type, [], []),
- if
- NewObjs == {[], []} ->
+ if
+ NewObjs == {[], []} ->
transform_objs(Fun, Tab, RecName, NextKey, A, Storage, Type, Acc);
- Type == bag ->
+ Type == bag ->
transform_objs(Fun, Tab, RecName, NextKey, A, Storage, Type,
[{op, rec, Storage, {Oid, Ws, write}},
{op, rec, Storage, {Oid, [Oid], delete}} | Acc]);
- Ds == [] ->
+ Ds == [] ->
%% Type is set or ordered_set, no need to delete the record first
transform_objs(Fun, Tab, RecName, NextKey, A, Storage, Type,
[{op, rec, Storage, {Oid, Ws, write}} | Acc]);
@@ -2215,15 +2251,15 @@ transform_obj(Tab, RecName, Key, Fun, [Obj|Rest], NewArity, Type, Ws, Ds) ->
NewObj == Obj ->
transform_obj(Tab, RecName, Key, Fun, Rest, NewArity, Type, Ws, Ds);
RecName == element(1, NewObj), Key == element(2, NewObj) ->
- transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
+ transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
Type, [NewObj | Ws], Ds);
- NewObj == delete ->
- case Type of
+ NewObj == delete ->
+ case Type of
bag -> %% Just don't write that object
- transform_obj(Tab, RecName, Key, Fun, Rest,
- NewArity, Type, Ws, Ds);
+ transform_obj(Tab, RecName, Key, Fun, Rest,
+ NewArity, Type, Ws, Ds);
_ ->
- transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
+ transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
Type, Ws, [NewObj | Ds])
end;
true ->
@@ -2247,7 +2283,7 @@ undo_prepare_commit(Tid, Commit) ->
%% Undo in reverse order
undo_prepare_ops(Tid, [Op | Ops]) ->
- case element(1, Op) of
+ case element(1, Op) of
TheOp when TheOp /= op, TheOp /= restore_op ->
undo_prepare_ops(Tid, Ops);
_ ->
@@ -2274,7 +2310,7 @@ undo_prepare_op(Tid, {op, create_table, TabDef}) ->
mnesia_lib:unset({Tab, create_table}),
delete_cstruct(Tid, Cs),
case mnesia_lib:cs_to_storage_type(node(), Cs) of
- unknown ->
+ unknown ->
ok;
ram_copies ->
ram_delete_table(Tab, ram_copies);
@@ -2289,7 +2325,7 @@ undo_prepare_op(Tid, {op, create_table, TabDef}) ->
%% disc_delete_table(Tab, Storage),
file:delete(Dat)
end;
-
+
undo_prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}) ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
@@ -2314,21 +2350,21 @@ undo_prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}) ->
Cs2 = new_cs(Cs, Node, Storage, del),
insert_cstruct(Tid, Cs2, true) % Don't care about the version
end;
-
-undo_prepare_op(_Tid, {op, del_table_copy, _, Node, TabDef})
+
+undo_prepare_op(_Tid, {op, del_table_copy, _, Node, TabDef})
when Node == node() ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
mnesia_lib:set({Tab, where_to_read}, Node);
-undo_prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef})
+undo_prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef})
when N == node() ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
mnesia_checkpoint:tm_change_table_copy_type(Tab, ToS, FromS),
Dmp = mnesia_lib:tab2dmp(Tab),
-
+
case {FromS, ToS} of
{ram_copies, disc_copies} when Tab == schema ->
file:delete(Dmp),
@@ -2382,9 +2418,9 @@ ram_delete_table(Tab, Storage) ->
ignore;
disc_only_copies ->
ignore;
- _Else ->
+ _Else ->
%% delete possible index files and data .....
- %% Got to catch this since if no info has been set in the
+ %% Got to catch this since if no info has been set in the
%% mnesia_gvar it will crash
catch mnesia_index:del_transient(Tab, Storage),
case ?catch_val({Tab, {index, snmp}}) of
@@ -2454,7 +2490,7 @@ has_known_suffix(File, [Suffix | Tail], false) ->
has_known_suffix(File, Tail, lists:suffix(Suffix, File));
has_known_suffix(_File, [], Bool) ->
Bool.
-
+
known_suffixes() -> real_suffixes() ++ tmp_suffixes().
real_suffixes() -> [".DAT", ".LOG", ".BUP", ".DCL", ".DCD"].
@@ -2477,11 +2513,11 @@ info2(Tab, [{frag_hash, _V} | Tail]) -> % Ignore frag_hash
info2(Tab, [{P, V} | Tail]) ->
io:format("~-20w -> ~p~n",[P,V]),
info2(Tab, Tail);
-info2(_, []) ->
+info2(_, []) ->
io:format("~n", []).
get_table_properties(Tab) ->
- case catch mnesia_lib:db_match_object(ram_copies,
+ case catch mnesia_lib:db_match_object(ram_copies,
mnesia_gvar, {{Tab, '_'}, '_'}) of
{'EXIT', _} ->
mnesia:abort({no_exists, Tab, all});
@@ -2509,9 +2545,9 @@ get_table_properties(Tab) ->
recs = error_recs
}).
-restore(Opaque) ->
+restore(Opaque) ->
restore(Opaque, [], mnesia_monitor:get_env(backup_module)).
-restore(Opaque, Args) when is_list(Args) ->
+restore(Opaque, Args) when is_list(Args) ->
restore(Opaque, Args, mnesia_monitor:get_env(backup_module));
restore(_Opaque, BadArg) ->
{aborted, {badarg, BadArg}}.
@@ -2522,7 +2558,7 @@ restore(Opaque, Args, Module) when is_list(Args), is_atom(Module) ->
case mnesia_bup:read_schema(R#r.module, Opaque) of
{error, Reason} ->
{aborted, Reason};
- BupSchema ->
+ BupSchema ->
schema_transaction(fun() -> do_restore(R, BupSchema) end)
end;
{'EXIT', Reason} ->
@@ -2556,8 +2592,8 @@ check_restore_arg({keep_tables, List}, R) when is_list(List) ->
check_restore_arg({skip_tables, List}, R) when is_list(List) ->
TableList = [{Tab, skip_tables} || Tab <- List],
R#r{table_options = R#r.table_options ++ TableList};
-check_restore_arg({default_op, Op}, R) ->
- case Op of
+check_restore_arg({default_op, Op}, R) ->
+ case Op of
clear_tables -> ok;
recreate_tables -> ok;
keep_tables -> ok;
@@ -2588,12 +2624,12 @@ restore_items([Rec | Recs], Header, Schema, R) ->
case lists:keysearch(Tab, 1, R#r.tables) of
{value, {Tab, Where0, Snmp, RecName}} ->
Where = case Where0 of
- undefined ->
+ undefined ->
val({Tab, where_to_commit});
_ ->
Where0
end,
- {Rest, NRecs} = restore_tab_items([Rec | Recs], Tab,
+ {Rest, NRecs} = restore_tab_items([Rec | Recs], Tab,
RecName, Where, Snmp,
R#r.recs, R#r.insert_op),
restore_items(Rest, Header, Schema, R#r{recs = NRecs});
@@ -2601,12 +2637,12 @@ restore_items([Rec | Recs], Header, Schema, R) ->
Rest = skip_tab_items(Recs, Tab),
restore_items(Rest, Header, Schema, R)
end;
-
+
restore_items([], _Header, _Schema, R) ->
R.
restore_func(Tab, R) ->
- case lists:keysearch(Tab, 1, R#r.table_options) of
+ case lists:keysearch(Tab, 1, R#r.table_options) of
{value, {Tab, OP}} ->
OP;
false ->
@@ -2618,24 +2654,24 @@ where_to_commit(Tab, CsList) ->
Disc = [{N, disc_copies} || N <- pick(Tab, disc_copies, CsList, [])],
DiscO = [{N, disc_only_copies} || N <- pick(Tab, disc_only_copies, CsList, [])],
Ram ++ Disc ++ DiscO.
-
+
%% Changes of the Meta info of schema itself is not allowed
restore_schema([{schema, schema, _List} | Schema], R) ->
restore_schema(Schema, R);
restore_schema([{schema, Tab, List} | Schema], R) ->
case restore_func(Tab, R) of
- clear_tables ->
+ clear_tables ->
do_clear_table(Tab),
- Snmp = val({Tab, snmp}),
- RecName = val({Tab, record_name}),
+ Snmp = val({Tab, snmp}),
+ RecName = val({Tab, record_name}),
R2 = R#r{tables = [{Tab, undefined, Snmp, RecName} | R#r.tables]},
restore_schema(Schema, R2);
- recreate_tables ->
+ recreate_tables ->
case ?catch_val({Tab, cstruct}) of
- {'EXIT', _} ->
+ {'EXIT', _} ->
TidTs = {_Mod, Tid, Ts} = get(mnesia_activity_state),
RunningNodes = val({current, db_nodes}),
- Nodes = mnesia_lib:intersect(mnesia_lib:cs_to_nodes(list2cs(List)),
+ Nodes = mnesia_lib:intersect(mnesia_lib:cs_to_nodes(list2cs(List)),
RunningNodes),
mnesia_locker:wlock_no_exist(Tid, Ts#tidstore.store, Tab, Nodes),
TidTs;
@@ -2643,20 +2679,20 @@ restore_schema([{schema, Tab, List} | Schema], R) ->
TidTs = get_tid_ts_and_lock(Tab, write)
end,
NC = {cookie, ?unique_cookie},
- List2 = lists:keyreplace(cookie, 1, List, NC),
+ List2 = lists:keyreplace(cookie, 1, List, NC),
Where = where_to_commit(Tab, List2),
Snmp = pick(Tab, snmp, List2, []),
RecName = pick(Tab, record_name, List2, Tab),
insert_schema_ops(TidTs, [{op, restore_recreate, List2}]),
R2 = R#r{tables = [{Tab, Where, Snmp, RecName} | R#r.tables]},
restore_schema(Schema, R2);
- keep_tables ->
+ keep_tables ->
get_tid_ts_and_lock(Tab, write),
Snmp = val({Tab, snmp}),
- RecName = val({Tab, record_name}),
+ RecName = val({Tab, record_name}),
R2 = R#r{tables = [{Tab, undefined, Snmp, RecName} | R#r.tables]},
restore_schema(Schema, R2);
- skip_tables ->
+ skip_tables ->
restore_schema(Schema, R)
end;
@@ -2667,7 +2703,7 @@ restore_schema([{schema, Tab} | Schema], R) ->
restore_schema([], R) ->
R.
-restore_tab_items([Rec | Rest], Tab, RecName, Where, Snmp, Recs, Op)
+restore_tab_items([Rec | Rest], Tab, RecName, Where, Snmp, Recs, Op)
when element(1, Rec) == Tab ->
NewRecs = Op(Rec, Recs, RecName, Where, Snmp),
restore_tab_items(Rest, Tab, RecName, Where, Snmp, NewRecs, Op);
@@ -2675,7 +2711,7 @@ restore_tab_items([Rec | Rest], Tab, RecName, Where, Snmp, Recs, Op)
restore_tab_items(Rest, _Tab, _RecName, _Where, _Snmp, Recs, _Op) ->
{Rest, Recs}.
-skip_tab_items([Rec| Rest], Tab)
+skip_tab_items([Rec| Rest], Tab)
when element(1, Rec) == Tab ->
skip_tab_items(Rest, Tab);
skip_tab_items(Recs, _) ->
@@ -2710,7 +2746,6 @@ merge_schema() ->
merge_schema(UserFun) ->
schema_transaction(fun() -> UserFun(fun(Arg) -> do_merge_schema(Arg) end) end).
-
do_merge_schema(LockTabs0) ->
{_Mod, Tid, Ts} = get_tid_ts_and_lock(schema, write),
LockTabs = [{T, tab_to_nodes(T)} || T <- LockTabs0],
@@ -2732,14 +2767,14 @@ do_merge_schema(LockTabs0) ->
[mnesia_locker:wlock_no_exist(
Tid, Store, T, mnesia_lib:intersect(Ns, OtherNodes))
|| {T,Ns} <- LockTabs],
- case rpc:call(Node, mnesia_controller, get_cstructs, []) of
+ case fetch_cstructs(Node) of
{cstructs, Cstructs, RemoteRunning1} ->
LockedAlready = Running ++ [Node],
{New, Old} = mnesia_recover:connect_nodes(RemoteRunning1),
RemoteRunning = mnesia_lib:intersect(New ++ Old, RemoteRunning1),
- if
+ if
RemoteRunning /= RemoteRunning1 ->
- mnesia_lib:error("Mnesia on ~p could not connect to node(s) ~p~n",
+ mnesia_lib:error("Mnesia on ~p could not connect to node(s) ~p~n",
[node(), RemoteRunning1 -- RemoteRunning]),
mnesia:abort({node_not_running, RemoteRunning1 -- RemoteRunning});
true -> ok
@@ -2749,24 +2784,24 @@ do_merge_schema(LockTabs0) ->
[mnesia_locker:wlock_no_exist(Tid, Store, T,
mnesia_lib:intersect(Ns,NeedsLock))
|| {T,Ns} <- LockTabs],
- {value, SchemaCs} =
- lists:keysearch(schema, #cstruct.name, Cstructs),
+ NeedsConversion = need_old_cstructs(NeedsLock ++ LockedAlready),
+ {value, SchemaCs} = lists:keysearch(schema, #cstruct.name, Cstructs),
+ SchemaDef = cs2list(NeedsConversion, SchemaCs),
%% Announce that Node is running
- A = [{op, announce_im_running, node(),
- cs2list(SchemaCs), Running, RemoteRunning}],
+ A = [{op, announce_im_running, node(), SchemaDef, Running, RemoteRunning}],
do_insert_schema_ops(Store, A),
-
+
%% Introduce remote tables to local node
- do_insert_schema_ops(Store, make_merge_schema(Node, Cstructs)),
-
+ do_insert_schema_ops(Store, make_merge_schema(Node, NeedsConversion, Cstructs)),
+
%% Introduce local tables to remote nodes
Tabs = val({schema, tables}),
Ops = [{op, merge_schema, get_create_list(T)}
|| T <- Tabs,
not lists:keymember(T, #cstruct.name, Cstructs)],
do_insert_schema_ops(Store, Ops),
-
+
%% Ensure that the txn will be committed on all nodes
NewNodes = RemoteRunning -- Running,
mnesia_lib:set(prepare_op, {announce_im_running,NewNodes}),
@@ -2782,19 +2817,49 @@ do_merge_schema(LockTabs0) ->
not_merged
end.
+fetch_cstructs(Node) ->
+ case mnesia_monitor:needs_protocol_conversion(Node) of
+ true ->
+ case rpc:call(Node, mnesia_controller, get_cstructs, []) of
+ {cstructs, Cs0, RR} ->
+ {cstructs, [list2cs(cs2list(Cs)) || Cs <- Cs0], RR};
+ Err -> Err
+ end;
+ false ->
+ rpc:call(Node, mnesia_controller, get_remote_cstructs, [])
+ end.
+
+need_old_cstructs(Nodes) ->
+ Filter = fun(Node) -> not mnesia_monitor:needs_protocol_conversion(Node) end,
+ case lists:dropwhile(Filter, Nodes) of
+ [] -> false;
+ [Node|_] ->
+ case rpc:call(Node, mnesia_lib, val, [{schema,cstruct}]) of
+ #cstruct{} ->
+ %% mnesia_lib:warning("Mnesia on ~p do not need to convert cstruct (~p)~n",
+ %% [node(), Node]),
+ false;
+ {badrpc, _} ->
+ need_old_cstructs(lists:delete(Node,Nodes));
+ Cs when element(1, Cs) == cstruct, tuple_size(Cs) == 17 ->
+ ver4_4_18; % Without majority
+ Cs when element(1, Cs) == cstruct, tuple_size(Cs) == 18 ->
+ ver4_4_19 % With majority
+ end
+ end.
+
tab_to_nodes(Tab) when is_atom(Tab) ->
Cs = val({Tab, cstruct}),
mnesia_lib:cs_to_nodes(Cs).
-make_merge_schema(Node, [Cs | Cstructs]) ->
- Ops = do_make_merge_schema(Node, Cs),
- Ops ++ make_merge_schema(Node, Cstructs);
-make_merge_schema(_Node, []) ->
+make_merge_schema(Node, NeedsConv, [Cs | Cstructs]) ->
+ Ops = do_make_merge_schema(Node, NeedsConv, Cs),
+ Ops ++ make_merge_schema(Node, NeedsConv, Cstructs);
+make_merge_schema(_Node, _, []) ->
[].
%% Merge definitions of schema table
-do_make_merge_schema(Node, RemoteCs)
- when RemoteCs#cstruct.name == schema ->
+do_make_merge_schema(Node, NeedsConv, RemoteCs = #cstruct{name = schema}) ->
Cs = val({schema, cstruct}),
Masters = mnesia_recover:get_master_nodes(schema),
HasRemoteMaster = lists:member(Node, Masters),
@@ -2804,15 +2869,15 @@ do_make_merge_schema(Node, RemoteCs)
StCsLocal = mnesia_lib:cs_to_storage_type(node(), Cs),
StRcsLocal = mnesia_lib:cs_to_storage_type(node(), RemoteCs),
StCsRemote = mnesia_lib:cs_to_storage_type(Node, Cs),
- StRcsRemote = mnesia_lib:cs_to_storage_type(Node, RemoteCs),
-
+ StRcsRemote = mnesia_lib:cs_to_storage_type(Node, RemoteCs),
+
if
Cs#cstruct.cookie == RemoteCs#cstruct.cookie,
Cs#cstruct.version == RemoteCs#cstruct.version ->
%% Great, we have the same cookie and version
%% and do not need to merge cstructs
[];
-
+
Cs#cstruct.cookie /= RemoteCs#cstruct.cookie,
Cs#cstruct.disc_copies /= [],
RemoteCs#cstruct.disc_copies /= [] ->
@@ -2823,14 +2888,14 @@ do_make_merge_schema(Node, RemoteCs)
HasRemoteMaster == false ->
%% Choose local cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(Cs)}];
+ [{op, merge_schema, cs2list(NeedsConv, Cs)}];
HasRemoteMaster == true,
HasLocalMaster == false ->
%% Choose remote cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(RemoteCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, RemoteCs)}];
+
true ->
Str = io_lib:format("Incompatible schema cookies. "
"Please, restart from old backup."
@@ -2838,12 +2903,12 @@ do_make_merge_schema(Node, RemoteCs)
[Node, cs2list(RemoteCs), node(), cs2list(Cs)]),
throw(Str)
end;
-
+
StCsLocal /= StRcsLocal, StRcsLocal /= unknown, StCsLocal /= ram_copies ->
Str = io_lib:format("Incompatible schema storage types (local). "
"on ~w storage ~w, on ~w storage ~w~n",
[node(), StCsLocal, Node, StRcsLocal]),
- throw(Str);
+ throw(Str);
StCsRemote /= StRcsRemote, StCsRemote /= unknown, StRcsRemote /= ram_copies ->
Str = io_lib:format("Incompatible schema storage types (remote). "
"on ~w cs ~w, on ~w rcs ~w~n",
@@ -2854,27 +2919,27 @@ do_make_merge_schema(Node, RemoteCs)
%% Choose local cstruct,
%% since it involves disc nodes
MergedCs = merge_cstructs(Cs, RemoteCs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
+
RemoteCs#cstruct.disc_copies /= [] ->
%% Choose remote cstruct,
%% since it involves disc nodes
MergedCs = merge_cstructs(RemoteCs, Cs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
Cs > RemoteCs ->
%% Choose remote cstruct
MergedCs = merge_cstructs(RemoteCs, Cs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
+
true ->
%% Choose local cstruct
MergedCs = merge_cstructs(Cs, RemoteCs, Force),
- [{op, merge_schema, cs2list(MergedCs)}]
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}]
end;
%% Merge definitions of normal table
-do_make_merge_schema(Node, RemoteCs) ->
+do_make_merge_schema(Node, NeedsConv, RemoteCs = #cstruct{}) ->
Tab = RemoteCs#cstruct.name,
Masters = mnesia_recover:get_master_nodes(schema),
HasRemoteMaster = lists:member(Node, Masters),
@@ -2883,27 +2948,27 @@ do_make_merge_schema(Node, RemoteCs) ->
case ?catch_val({Tab, cstruct}) of
{'EXIT', _} ->
%% A completely new table, created while Node was down
- [{op, merge_schema, cs2list(RemoteCs)}];
+ [{op, merge_schema, cs2list(NeedsConv, RemoteCs)}];
Cs when Cs#cstruct.cookie == RemoteCs#cstruct.cookie ->
if
Cs#cstruct.version == RemoteCs#cstruct.version ->
%% We have exactly the same version of the
%% table def
[];
-
+
Cs#cstruct.version > RemoteCs#cstruct.version ->
%% Oops, we have different versions
%% of the table def, lets merge them.
%% The only changes that may have occurred
%% is that new replicas may have been added.
MergedCs = merge_cstructs(Cs, RemoteCs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
+
Cs#cstruct.version < RemoteCs#cstruct.version ->
%% Oops, we have different versions
%% of the table def, lets merge them
MergedCs = merge_cstructs(RemoteCs, Cs, Force),
- [{op, merge_schema, cs2list(MergedCs)}]
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}]
end;
Cs ->
%% Different cookies, not possible to merge
@@ -2912,14 +2977,14 @@ do_make_merge_schema(Node, RemoteCs) ->
HasRemoteMaster == false ->
%% Choose local cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(Cs)}];
+ [{op, merge_schema, cs2list(NeedsConv, Cs)}];
HasRemoteMaster == true,
HasLocalMaster == false ->
%% Choose remote cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(RemoteCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, RemoteCs)}];
+
true ->
Str = io_lib:format("Bad cookie in table definition"
" ~w: ~w = ~w, ~w = ~w~n",
@@ -2989,7 +3054,7 @@ compare_storage_type(true, One, Another) ->
compare_storage_type(false, Another, One);
compare_storage_type(false, _One, _Another) ->
incompatible.
-
+
change_storage_type(N, ram_copies, Cs) ->
Nodes = [N | Cs#cstruct.ram_copies],
Cs#cstruct{ram_copies = mnesia_lib:uniq(Nodes)};
@@ -3071,14 +3136,14 @@ verify_merge(RemoteCs) ->
if
StCsLocal == StRcsLocal -> ok;
StCsLocal == unknown -> ok;
- (StRcsLocal == unknown), (HasRemoteMaster == false) ->
+ (StRcsLocal == unknown), (HasRemoteMaster == false) ->
{merge_error, Cs, RemoteCs};
%% Trust the merger
true -> ok
end
end.
-announce_im_running([N | Ns], SchemaCs) ->
+announce_im_running([N | Ns], SchemaCs) ->
{L1, L2} = mnesia_recover:connect_nodes([N]),
case lists:member(N, L1) or lists:member(N, L2) of
true ->
@@ -3095,7 +3160,7 @@ announce_im_running([], _) ->
unannounce_im_running([N | Ns]) ->
mnesia_lib:del({current, db_nodes}, N),
- mnesia_controller:del_active_replica(schema, N),
+ mnesia_controller:del_active_replica(schema, N),
unannounce_im_running(Ns);
unannounce_im_running([]) ->
ok.
diff --git a/lib/mnesia/vsn.mk b/lib/mnesia/vsn.mk
index 2fa629d064..a21ab007ef 100644
--- a/lib/mnesia/vsn.mk
+++ b/lib/mnesia/vsn.mk
@@ -1 +1 @@
-MNESIA_VSN = 4.4.19
+MNESIA_VSN = 4.5
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 23:21:42 +0000