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author | Magnus Fröberg <[email protected]> | 2018-11-28 11:59:19 +0100 |
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committer | Richard Carlsson <[email protected]> | 2018-11-29 08:56:37 +0100 |
commit | 8332bff4ceebd08d103623f59f7761d8e9367f69 (patch) | |
tree | 86bc2e8bac296609c2f5d47cd4526debed6cab88 /lib/mnesia/src/mnesia.erl | |
parent | 482cde369a02391b30511e10fb24a1a836d643e8 (diff) | |
download | otp-8332bff4ceebd08d103623f59f7761d8e9367f69.tar.gz otp-8332bff4ceebd08d103623f59f7761d8e9367f69.tar.bz2 otp-8332bff4ceebd08d103623f59f7761d8e9367f69.zip |
Fall back to default locking if LockKind is not read or write
Diffstat (limited to 'lib/mnesia/src/mnesia.erl')
-rw-r--r-- | lib/mnesia/src/mnesia.erl | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/mnesia/src/mnesia.erl b/lib/mnesia/src/mnesia.erl index 89b7207483..77afb8250c 100644 --- a/lib/mnesia/src/mnesia.erl +++ b/lib/mnesia/src/mnesia.erl @@ -851,7 +851,7 @@ read(Tid, Ts, Tab, Key, LockKind) abort({bad_type, Tab, LockKind}) end end, - add_written(?ets_lookup(Store, Oid), Tab, ObjsFun); + add_written(?ets_lookup(Store, Oid), Tab, ObjsFun, LockKind); _Protocol -> dirty_read(Tab, Key) end; @@ -1207,13 +1207,17 @@ add_previous(_Tid, Ts, _Type, Tab) -> %% The actual read from the table is not done if not needed due to local %% transaction context, and if so, no extra read lock is needed either. -add_written([], _Tab, ObjsFun) -> +add_written([], _Tab, ObjsFun, _LockKind) -> ObjsFun(); % standard normal fast case -add_written(Written, Tab, ObjsFun) -> +add_written(Written, Tab, ObjsFun, LockKind) -> case val({Tab, setorbag}) of bag -> add_written_to_bag(Written, ObjsFun(), []); + _ when LockKind == read; + LockKind == write -> + add_written_to_set(Written); _ -> + _ = ObjsFun(), % Fall back to request new lock and read from source add_written_to_set(Written) end. |