diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/dets.erl | 31 | ||||
| -rw-r--r-- | lib/stdlib/test/dets_SUITE.erl | 27 |
2 files changed, 41 insertions, 17 deletions
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl index cc1f35914a..79bebada4d 100644 --- a/lib/stdlib/src/dets.erl +++ b/lib/stdlib/src/dets.erl @@ -1363,34 +1363,35 @@ 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) -> + 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) -> diff --git a/lib/stdlib/test/dets_SUITE.erl b/lib/stdlib/test/dets_SUITE.erl index b32d372889..ab8f3f300c 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_8856/1]). + otp_8070/1, otp_8856/1, otp_8898/1]). -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_8856]} + otp_7146, otp_8070, otp_8856, otp_8898]} end. not_run(suite) -> []; @@ -2935,6 +2935,29 @@ 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. + many_clients(doc) -> ["Several clients accessing a table simultaneously."]; many_clients(suite) -> |