diff options
| author | Alexey Shchepin <alexey@process-one.net> | 2021-09-21 12:10:00 +0300 |
|---|---|---|
| committer | Alexey Shchepin <alexey@process-one.net> | 2021-09-21 12:10:00 +0300 |
| commit | bf068f56591bc84f360a8d600c157520e821425f (patch) | |
| tree | 74d6bbacfddc7e5cdd14cabc89cf70cda6e9f72c /src/mod_roster_sql.erl | |
| parent | Use INSERT ... ON CONFLICT in SQL_UPSERT for PostgreSQL >= 9.5 (diff) | |
Small optimization in mod_roster_sql:get_roster
Diffstat (limited to 'src/mod_roster_sql.erl')
| -rw-r--r-- | src/mod_roster_sql.erl | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/mod_roster_sql.erl b/src/mod_roster_sql.erl index 76ddb29dd..ebfcde463 100644 --- a/src/mod_roster_sql.erl +++ b/src/mod_roster_sql.erl @@ -80,9 +80,10 @@ get_roster(LUser, LServer) -> [] end, GroupsDict = lists:foldl(fun({J, G}, Acc) -> - dict:append(J, G, Acc) + Gs = maps:get(J, Acc, []), + maps:put(J, [G | Gs], Acc) end, - dict:new(), JIDGroups), + maps:new(), JIDGroups), {ok, lists:flatmap( fun(I) -> case raw_to_record(LServer, I) of @@ -90,10 +91,7 @@ get_roster(LUser, LServer) -> error -> []; R -> SJID = jid:encode(R#roster.jid), - Groups = case dict:find(SJID, GroupsDict) of - {ok, Gs} -> Gs; - error -> [] - end, + Groups = maps:get(SJID, GroupsDict, []), [R#roster{groups = Groups}] end end, Items)}; |