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index: generalize pre-fetch paths

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We already pre-fetched db file paths for the cleanup-case (since
cdb619e4f), now let's generalize this to all indexing.

For now this is mostly performance-neutral (lazy-rescan is slightly
faster); however, this simplifies the code.
This commit is contained in:
Dirk-Jan C. Binnema
2026-07-21 09:18:54 +03:00
committed by Seth Ladygo
parent 86464cd083
commit 7d60d2728a
5 changed files with 145 additions and 220 deletions
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22
lib/mu-store.cc
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@ -756,28 +756,6 @@ Store::label_map() const
return priv_->labels_cache_.label_map();
}
std::size_t
Store::for_each_message_path(Store::ForEachMessageFunc msg_func) const
{
size_t n{};
xapian_try([&] {
std::lock_guard guard{priv_->lock_};
auto enq{xapian_db().enquire()};
enq.set_query(Xapian::Query::MatchAll);
enq.set_cutoff(0, 0);
Xapian::MSet matches(enq.get_mset(0, xapian_db().size()));
constexpr auto path_no{field_from_id(Field::Id::Path).value_no()};
for (auto&& it = matches.begin(); it != matches.end(); ++it, ++n)
if (!msg_func(*it, it.get_document().get_value(path_no)))
break;
});
return n;
}
std::size_t
Store::for_each_term(Field::Id field_id, Store::ForEachTermFunc func) const
{