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Do not lock the database while retrieving all the track features

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This commit is contained in:
emeric
2019-03-10 14:13:59 +01:00
parent 99d592a71e
commit e609b239f3
6 changed files with 58 additions and 32 deletions
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src/database/Track.cpp
+5 -5
View File
@@ -118,17 +118,17 @@ Track::getAllWithMBIDAndMissingFeatures(Wt::Dbo::Session& session)
return std::vector<pointer>(res.begin(), res.end());
}
std::vector<Track::pointer>
Track::getAllWithFeatures(Wt::Dbo::Session& session, boost::optional<std::size_t> limit)
std::vector<IdType>
Track::getAllIdsWithFeatures(Wt::Dbo::Session& session, boost::optional<std::size_t> limit)
{
int size {limit ? static_cast<int>(*limit) : -1};
Wt::Dbo::collection<pointer> res = session.query<pointer>
("SELECT t FROM track t")
Wt::Dbo::collection<IdType> res = session.query<IdType>
("SELECT t.id FROM track t")
.where("EXISTS (SELECT * from track_features t_f WHERE t_f.track_id = t.id)")
.limit(size);
return std::vector<pointer>(res.begin(), res.end());
return std::vector<IdType>(res.begin(), res.end());
}
std::vector<Cluster::pointer>
src/database/Track.hpp
+6 -6
View File
@@ -64,13 +64,13 @@ class Track : public Wt::Dbo::Dbo<Track>
bool& moreExpected);
static Wt::Dbo::collection< pointer > getAll(Wt::Dbo::Session& session);
static std::vector<IdType> getAllIds(Wt::Dbo::Session& session); // nested transaction
static std::vector<IdType> getAllIds(Wt::Dbo::Session& session); // nested transaction
static std::vector<boost::filesystem::path> getAllPaths(Wt::Dbo::Session& session); // nested transaction
static std::vector<pointer> getMBIDDuplicates(Wt::Dbo::Session& session);
static std::vector<pointer> getChecksumDuplicates(Wt::Dbo::Session& session);
static std::vector<pointer> getLastAdded(Wt::Dbo::Session& session, Wt::WDateTime after, int size = 1);
static std::vector<pointer> getAllWithMBIDAndMissingFeatures(Wt::Dbo::Session& session); // nested transaction
static std::vector<pointer> getAllWithFeatures(Wt::Dbo::Session& session, boost::optional<std::size_t> limit = {}); // nested transaction
static std::vector<pointer> getMBIDDuplicates(Wt::Dbo::Session& session);
static std::vector<pointer> getChecksumDuplicates(Wt::Dbo::Session& session);
static std::vector<pointer> getLastAdded(Wt::Dbo::Session& session, Wt::WDateTime after, int size = 1);
static std::vector<pointer> getAllWithMBIDAndMissingFeatures(Wt::Dbo::Session& session); // nested transaction
static std::vector<IdType> getAllIdsWithFeatures(Wt::Dbo::Session& session, boost::optional<std::size_t> limit = {}); // nested transaction
// Create utility
static pointer create(Wt::Dbo::Session& session, const boost::filesystem::path& p);