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Rework DB session + transactions. Now can handle multiple read only transactions in parallel

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This commit is contained in:
emeric
2019-07-16 13:17:23 +02:00
parent 2a1fb0182b
commit 38ce2600d2
79 changed files with 1840 additions and 1369 deletions
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src/database/Track.hpp
+16 -16
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@@ -53,29 +53,29 @@ class Track : public Wt::Dbo::Dbo<Track>
Track(const boost::filesystem::path& p);
// Find utility functions
static pointer getByPath(Wt::Dbo::Session& session, const boost::filesystem::path& p);
static pointer getById(Wt::Dbo::Session& session, IdType id);
static pointer getByMBID(Wt::Dbo::Session& session, const std::string& MBID);
static std::vector<pointer> getByFilter(Wt::Dbo::Session& session,
static pointer getByPath(Session& session, const boost::filesystem::path& p);
static pointer getById(Session& session, IdType id);
static pointer getByMBID(Session& session, const std::string& MBID);
static std::vector<pointer> getByFilter(Session& session,
const std::set<IdType>& clusters); // tracks that belong to these clusters
static std::vector<pointer> getByFilter(Wt::Dbo::Session& session,
const std::set<IdType>& clusters, // tracks that belong to these clusters
const std::vector<std::string> keywords, // name must match all of these keywords
static std::vector<pointer> getByFilter(Session& session,
const std::set<IdType>& clusters, // tracks that belong to these clusters
const std::vector<std::string>& keywords, // name must match all of these keywords
boost::optional<std::size_t> offset,
boost::optional<std::size_t> size,
bool& moreExpected);
static std::vector<pointer> getAll(Wt::Dbo::Session& session, boost::optional<std::size_t> limit = {});
static std::vector<pointer> getAllRandom(Wt::Dbo::Session& session, boost::optional<std::size_t> limit = {});
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> 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
static std::vector<pointer> getAll(Session& session, boost::optional<std::size_t> limit = {});
static std::vector<pointer> getAllRandom(Session& session, boost::optional<std::size_t> limit = {});
static std::vector<IdType> getAllIds(Session& session); // nested transaction
static std::vector<boost::filesystem::path> getAllPaths(Session& session); // nested transaction
static std::vector<pointer> getMBIDDuplicates(Session& session);
static std::vector<pointer> getLastAdded(Session& session, const Wt::WDateTime& after, boost::optional<std::size_t> size = 1);
static std::vector<pointer> getAllWithMBIDAndMissingFeatures(Session& session);
static std::vector<IdType> getAllIdsWithFeatures(Session& session, boost::optional<std::size_t> limit = {});
// Create utility
static pointer create(Wt::Dbo::Session& session, const boost::filesystem::path& p);
static pointer create(Session& session, const boost::filesystem::path& p);
// Accessors
void setScanVersion(std::size_t version) { _scanVersion = version; }