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-rw-r--r--lib/stdlib/src/dets.erl40
-rw-r--r--lib/stdlib/test/dets_SUITE.erl85
2 files changed, 103 insertions, 22 deletions
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl
index cf68958a9f..6c91f1efb7 100644
--- a/lib/stdlib/src/dets.erl
+++ b/lib/stdlib/src/dets.erl
@@ -1090,7 +1090,9 @@ do_apply_op(Op, From, Head, N) ->
{N2, H2} when is_record(H2, head), is_integer(N2) ->
open_file_loop(H2, N2);
H2 when is_record(H2, head) ->
- open_file_loop(H2, N)
+ open_file_loop(H2, N);
+ {{more,From1,Op1,N1}, NewHead} ->
+ do_apply_op(Op1, From1, NewHead, N1)
catch
exit:normal ->
exit(normal);
@@ -1359,37 +1361,35 @@ start_auto_save_timer(Head) ->
%% lookup requests in parallel. Evalute delete_object, delete and
%% insert as well.
stream_op(Op, Pid, Pids, Head, N) ->
- stream_op(Head, Pids, [], N, Pid, Op, Head#head.fixed).
+ #head{fixed = Fxd, update_mode = M} = Head,
+ stream_op(Head, Pids, [], N, Pid, Op, Fxd, M).
-stream_loop(Head, Pids, C, N, false = Fxd) ->
+stream_loop(Head, Pids, C, N, false = Fxd, M) ->
receive
?DETS_CALL(From, Message) ->
- stream_op(Head, Pids, C, N, From, Message, Fxd)
+ stream_op(Head, Pids, C, N, From, Message, Fxd, M)
after 0 ->
stream_end(Head, Pids, C, N, no_more)
end;
-stream_loop(Head, Pids, C, N, _Fxd) ->
+stream_loop(Head, Pids, C, N, _Fxd, _M) ->
stream_end(Head, Pids, C, N, no_more).
-stream_op(Head, Pids, C, N, Pid, {lookup_keys,Keys}, Fxd) ->
+stream_op(Head, Pids, C, N, Pid, {lookup_keys,Keys}, Fxd, M) ->
NC = [{{lookup,Pid},Keys} | C],
- stream_loop(Head, Pids, NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {insert, _Objects} = Op, Fxd) ->
- NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {insert_new, _Objects} = Op, Fxd) ->
+ stream_loop(Head, Pids, NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {insert, _Objects} = Op, Fxd, dirty = M) ->
NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {delete_key, _Keys} = Op, Fxd) ->
+ stream_loop(Head, [Pid | Pids], NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {delete_key, _Keys} = Op, Fxd, dirty = M) ->
NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {delete_object, _Objects} = Op, Fxd) ->
+ stream_loop(Head, [Pid | Pids], NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {delete_object, _Os} = Op, Fxd, dirty = M) ->
NC = [Op | C],
- stream_loop(Head, [Pid | Pids], NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, {member, Key}, Fxd) ->
+ stream_loop(Head, [Pid | Pids], NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, {member, Key}, Fxd, M) ->
NC = [{{lookup,[Pid]},[Key]} | C],
- stream_loop(Head, Pids, NC, N, Fxd);
-stream_op(Head, Pids, C, N, Pid, Op, _Fxd) ->
+ stream_loop(Head, Pids, NC, N, Fxd, M);
+stream_op(Head, Pids, C, N, Pid, Op, _Fxd, _M) ->
stream_end(Head, Pids, C, N, {Pid,Op}).
stream_end(Head, Pids0, C, N, Next) ->
@@ -1434,7 +1434,7 @@ stream_end2([], Ps, no_more, N, C, Head, _Reply) ->
penalty(Head, Ps, C),
{N, Head};
stream_end2([], _Ps, {From, Op}, N, _C, Head, _Reply) ->
- apply_op(Op, From, Head, N).
+ {{more,From,Op,N},Head}.
penalty(H, _Ps, _C) when H#head.fixed =:= false ->
ok;
diff --git a/lib/stdlib/test/dets_SUITE.erl b/lib/stdlib/test/dets_SUITE.erl
index 3c938313b4..a1f70dc27d 100644
--- a/lib/stdlib/test/dets_SUITE.erl
+++ b/lib/stdlib/test/dets_SUITE.erl
@@ -50,7 +50,7 @@
otp_4208/1, otp_4989/1, many_clients/1, otp_4906/1, otp_5402/1,
simultaneous_open/1, insert_new/1, repair_continuation/1,
otp_5487/1, otp_6206/1, otp_6359/1, otp_4738/1, otp_7146/1,
- otp_8070/1, otp_8903/1]).
+ otp_8070/1, otp_8856/1, otp_8898/1, otp_8899/1, otp_8903/1]).
-export([dets_dirty_loop/0]).
@@ -108,7 +108,7 @@ all(suite) ->
cache_duplicate_bags_v9, otp_4208, otp_4989, many_clients,
otp_4906, otp_5402, simultaneous_open, insert_new,
repair_continuation, otp_5487, otp_6206, otp_6359, otp_4738,
- otp_7146, otp_8070, otp_8903]}
+ otp_7146, otp_8070, otp_8856, otp_8898, otp_8899, otp_8903]}
end.
not_run(suite) -> [];
@@ -2935,6 +2935,57 @@ ets_init(Tab, N) ->
ets:insert(Tab, {N,N}),
ets_init(Tab, N - 1).
+otp_8898(doc) ->
+ ["OTP-8898. Truncated Dets file."];
+otp_8898(suite) ->
+ [];
+otp_8898(Config) when is_list(Config) ->
+ Tab = otp_8898,
+ ?line FName = filename(Tab, Config),
+
+ Server = self(),
+
+ ?line file:delete(FName),
+ ?line {ok, _} = dets:open_file(Tab,[{file, FName}]),
+ ?line [P1,P2,P3] = new_clients(3, Tab),
+
+ Seq = [{P1,[sync]},{P2,[{lookup,1,[]}]},{P3,[{insert,{1,b}}]}],
+ ?line atomic_requests(Server, Tab, [[]], Seq),
+ ?line true = get_replies([{P1,ok},{P2,ok},{P3,ok}]),
+ ?line ok = dets:close(Tab),
+ ?line {ok, _} = dets:open_file(Tab,[{file, FName}]),
+ ?line file:delete(FName),
+
+ ok.
+
+otp_8899(doc) ->
+ ["OTP-8899. Several clients. Updated Head was ignored."];
+otp_8899(suite) ->
+ [];
+otp_8899(Config) when is_list(Config) ->
+ Tab = many_clients,
+ ?line FName = filename(Tab, Config),
+
+ Server = self(),
+
+ ?line file:delete(FName),
+ ?line {ok, _} = dets:open_file(Tab,[{file, FName},{version,9}]),
+ ?line [P1,P2,P3,P4] = new_clients(4, Tab),
+
+ MC = [Tab],
+ Seq6a = [{P1,[{insert,[{used_to_be_skipped_by,match}]},
+ {lookup,1,[{1,a}]}]},
+ {P2,[{verbose,true,MC}]},
+ {P3,[{lookup,1,[{1,a}]}]}, {P4,[{verbose,true,MC}]}],
+ ?line atomic_requests(Server, Tab, [[{1,a},{2,b},{3,c}]], Seq6a),
+ ?line true = get_replies([{P1,ok}, {P2,ok}, {P3,ok}, {P4,ok}]),
+ ?line [{1,a},{2,b},{3,c},{used_to_be_skipped_by,match}] =
+ lists:sort(dets:match_object(Tab, '_')),
+ ?line _ = dets:close(Tab),
+ ?line file:delete(FName),
+
+ ok.
+
many_clients(doc) ->
["Several clients accessing a table simultaneously."];
many_clients(suite) ->
@@ -3071,6 +3122,11 @@ client(S, Tab) ->
eval([], _Tab) ->
ok;
+eval([{verbose,Bool,Expected} | L], Tab) ->
+ ?line case dets:verbose(Bool) of
+ Expected -> eval(L, Tab);
+ Error -> {error, {verbose,Error}}
+ end;
eval([sync | L], Tab) ->
?line case dets:sync(Tab) of
ok -> eval(L, Tab);
@@ -3701,6 +3757,31 @@ otp_8070(Config) when is_list(Config) ->
file:delete(File),
ok.
+otp_8856(doc) ->
+ ["OTP-8856. insert_new() bug."];
+otp_8856(suite) ->
+ [];
+otp_8856(Config) when is_list(Config) ->
+ Tab = otp_8856,
+ File = filename(Tab, Config),
+ file:delete(File),
+ Me = self(),
+ ?line {ok, _} = dets:open_file(Tab, [{type, bag}, {file, File}]),
+ spawn(fun()-> Me ! {1, dets:insert(Tab, [])} end),
+ spawn(fun()-> Me ! {2, dets:insert_new(Tab, [])} end),
+ ?line ok = dets:close(Tab),
+ ?line receive {1, ok} -> ok end,
+ ?line receive {2, true} -> ok end,
+ file:delete(File),
+
+ ?line {ok, _} = dets:open_file(Tab, [{type, set}, {file, File}]),
+ spawn(fun() -> dets:delete(Tab, 0) end),
+ spawn(fun() -> Me ! {3, dets:insert_new(Tab, {0,0})} end),
+ ?line ok = dets:close(Tab),
+ ?line receive {3, true} -> ok end,
+ file:delete(File),
+ ok.
+
otp_8903(doc) ->
["OTP-8903. bchunk/match/select bug."];
otp_8903(suite) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 22:31:52 +0000