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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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16
lib/mu-xapian-db.hh
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@ -359,7 +359,7 @@ public:
Result<Xapian::docid> add_document(const Xapian::Document& doc) {
return xapian_try_result([&]{
auto&& id{wdb().add_document(doc)};
set_timestamp(MetadataIface::last_change_key);
dirty_ = true;
maybe_commit();
return Ok(std::move(id));
});
@ -379,7 +379,7 @@ public:
const Xapian::Document& doc) {
return xapian_try_result([&]{
auto&& id{wdb().replace_document(term, doc)};
set_timestamp(MetadataIface::last_change_key);
dirty_ = true;
maybe_commit();
return Ok(std::move(id));
});
@ -389,7 +389,7 @@ public:
const Xapian::Document& doc) {
return xapian_try_result([&]{
wdb().replace_document(id, doc);
set_timestamp(MetadataIface::last_change_key);
dirty_ = true;
maybe_commit();
return Ok(std::move(id));
});
@ -405,7 +405,7 @@ public:
Result<void> delete_document(const std::string& term) {
return xapian_try_result([&]{
wdb().delete_document(term);
set_timestamp(MetadataIface::last_change_key);
dirty_ = true;
maybe_commit();
return Ok();
});
@ -413,7 +413,7 @@ public:
Result<void> delete_document(Xapian::docid id) {
return xapian_try_result([&]{
wdb().delete_document(id);
set_timestamp(MetadataIface::last_change_key);
dirty_ = true;
maybe_commit();
return Ok();
});
@ -486,6 +486,11 @@ private:
"forced={}", changes_,
in_transaction() ? "yes" : "no",
force ? "yes" : "no");
// record the last doc change as part of commit
if (dirty_) {
set_timestamp(MetadataIface::last_change_key);
dirty_ = false;
}
if (in_transaction()) {
db.commit_transaction();
in_transaction_ = {};
@ -515,6 +520,7 @@ private:
std::string path_;
DbType db_;
size_t changes_{};
bool dirty_{}; /* document changes not yet timestamped? */
bool in_transaction_{};
size_t batch_size_;
};