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ircd:Ⓜ️:room: Optimize the state::count(type) to elide value query.

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This commit is contained in:
Jason Volk 2019-07-04 01:53:30 -07:00
parent 89e3838c4f
commit 3d982a3042
1 changed files with 14 additions and 5 deletions
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19
ircd/m_room.cc
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@ -2149,12 +2149,21 @@ size_t
ircd::m::room::state::count(const string_view &type)
const
{
size_t ret{0};
for_each(type, event::closure_idx{[&ret]
(const event::idx &event_idx)
if(!present())
return count(type);
const db::gopts &opts
{
++ret;
}});
this->fopts? this->fopts->gopts : db::gopts{}
};
size_t ret(0);
auto &column{dbs::room_state};
for(auto it{column.begin(room_id, opts)}; bool(it); ++it)
{
const auto key(dbs::room_state_key(it->first));
ret += std::get<0>(key) == type;
}
return ret;
}