diff options
Diffstat (limited to 'lib/mnesia/src/mnesia_schema.erl')
| -rw-r--r-- | lib/mnesia/src/mnesia_schema.erl | 70 |
1 files changed, 11 insertions, 59 deletions
diff --git a/lib/mnesia/src/mnesia_schema.erl b/lib/mnesia/src/mnesia_schema.erl index ef38adca1e..d0f5d0e07b 100644 --- a/lib/mnesia/src/mnesia_schema.erl +++ b/lib/mnesia/src/mnesia_schema.erl @@ -697,7 +697,7 @@ schema_coordinator(Client, _Fun, undefined) -> schema_coordinator(Client, Fun, Controller) when is_pid(Controller) -> %% Do not trap exit in order to automatically die %% when the controller dies - + put(transaction_client, Client), %% debug link(Controller), unlink(Client), @@ -730,7 +730,10 @@ api_list2cs(Other) -> mnesia:abort({badarg, Other}). vsn_cs2list(Cs) -> - cs2list(need_old_cstructs(), Cs). + cs2list(Cs). + +cs2list(false, Cs) -> + cs2list(Cs). cs2list(Cs) when is_record(Cs, cstruct) -> Tags = record_info(fields, cstruct), @@ -755,25 +758,6 @@ cs2list(Cs) when element(1, Cs) == cstruct, tuple_size(Cs) == 19 -> cookie,version], rec2list(Tags, Tags, 2, Cs). -cs2list(false, Cs) -> - cs2list(Cs); -cs2list({8,3}, Cs) -> - cs2list(Cs); -cs2list({8,Minor}, Cs) when Minor =:= 2; Minor =:= 1 -> - 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,storage_properties, - cookie,version], - CsList = rec2list(Tags, Orig, 2, Cs), - case proplists:get_value(index, CsList, []) of - [] -> CsList; - NewFormat -> - OldFormat = [Pos || {Pos, _Pref} <- NewFormat], - lists:keyreplace(index, 1, CsList, {index, OldFormat}) - end. - rec2list([index | Tags], [index|Orig], Pos, Rec) -> Val = element(Pos, Rec), [{index, lists:map( @@ -796,19 +780,8 @@ rec2list([], _, _Pos, _Rec) -> rec2list(Tags, [_|Orig], Pos, Rec) -> rec2list(Tags, Orig, Pos+1, Rec). -normalize_cs(Cstructs, Node) -> - %% backward-compatibility hack; normalize before returning - case need_old_cstructs([Node]) of - false -> - Cstructs; - Version -> - %% some other format - [convert_cs(Version, Cs) || Cs <- Cstructs] - end. - -convert_cs(Version, Cs) -> - Fields = [Value || {_, Value} <- cs2list(Version, Cs)], - list_to_tuple([cstruct|Fields]). +normalize_cs(Cstructs, _Node) -> + Cstructs. list2cs(List) -> list2cs(List, get_ext_types()). @@ -1864,11 +1837,7 @@ do_move_table(schema, _FromNode, _ToNode) -> mnesia:abort({bad_type, schema}); do_move_table(Tab, FromNode, ToNode) when is_atom(FromNode), is_atom(ToNode) -> TidTs = get_tid_ts_and_lock(schema, write), - AnyOld = lists:any(fun(Node) -> mnesia_monitor:needs_protocol_conversion(Node) end, - [ToNode|val({Tab, where_to_write})]), - if AnyOld -> ignore; %% Leads to deadlock on old nodes - true -> get_tid_ts_and_lock(Tab, write) - end, + get_tid_ts_and_lock(Tab, write), insert_schema_ops(TidTs, make_move_table(Tab, FromNode, ToNode)); do_move_table(Tab, FromNode, ToNode) -> mnesia:abort({badarg, Tab, FromNode, ToNode}). @@ -3438,15 +3407,14 @@ do_merge_schema(LockTabs0) -> mnesia_lib:intersect(Ns,NeedsLock)) || {T,Ns} <- LockTabs], - NeedsConversion = need_old_cstructs(NeedsLock ++ LockedAlready), {value, SchemaCs} = lists:keysearch(schema, #cstruct.name, Cstructs), - SchemaDef = cs2list(NeedsConversion, SchemaCs), + SchemaDef = cs2list(false, SchemaCs), %% Announce that Node is running 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, NeedsConversion, Cstructs)), + do_insert_schema_ops(Store, make_merge_schema(Node, false, Cstructs)), %% Introduce local tables to remote nodes Tabs = val({schema, tables}), @@ -3471,23 +3439,7 @@ do_merge_schema(LockTabs0) -> end. fetch_cstructs(Node) -> - Convert = mnesia_monitor:needs_protocol_conversion(Node), - case rpc:call(Node, mnesia_controller, get_remote_cstructs, []) of - {cstructs, Cs0, RemoteRunning1} when Convert -> - {cstructs, [list2cs(cs2list(Cs)) || Cs <- Cs0], RemoteRunning1}; - Result -> - Result - end. - -need_old_cstructs() -> - need_old_cstructs(val({schema, where_to_write})). - -need_old_cstructs(Nodes) -> - Filter = fun(Node) -> mnesia_monitor:needs_protocol_conversion(Node) end, - case lists:filter(Filter, Nodes) of - [] -> false; - Ns -> lists:min([element(1, ?catch_val({protocol, Node})) || Node <- Ns]) - end. + rpc:call(Node, mnesia_controller, get_remote_cstructs, []). tab_to_nodes(Tab) when is_atom(Tab) -> Cs = val({Tab, cstruct}), |