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Optimm to get all artists of a track in a single query

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This commit is contained in:
emeric
2024-04-15 18:50:00 +02:00
parent 2c3365f1aa
commit 18b220b241
6 changed files with 95 additions and 18 deletions
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src/libs/database/test/Artist.cpp
+64
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@@ -394,6 +394,29 @@ namespace lms::db::tests
EXPECT_TRUE(types.contains(TrackArtistLinkType::Writer));
EXPECT_FALSE(types.contains(TrackArtistLinkType::Composer));
}
{
auto transaction{ session.createReadTransaction() };
std::vector<TrackArtistLink::pointer> visitedLinks;
TrackArtistLink::find(session, TrackArtistLink::FindParameters{}.setTrack(track.getId()), [&](const TrackArtistLink::pointer& link)
{
visitedLinks.push_back(link);
});
ASSERT_EQ(visitedLinks.size(), 3);
EXPECT_EQ(visitedLinks[0]->getArtist()->getId(), artist.getId());
EXPECT_EQ(visitedLinks[1]->getArtist()->getId(), artist.getId());
EXPECT_EQ(visitedLinks[2]->getArtist()->getId(), artist.getId());
auto containsType = [&](TrackArtistLinkType type)
{
return std::any_of(std::cbegin(visitedLinks), std::cend(visitedLinks), [type](const TrackArtistLink::pointer& link) { return link->getType() == type;});
};
EXPECT_TRUE(containsType(TrackArtistLinkType::Artist));
EXPECT_TRUE(containsType(TrackArtistLinkType::ReleaseArtist));
EXPECT_TRUE(containsType(TrackArtistLinkType::Writer));
}
}
TEST_F(DatabaseFixture, Artist_singleTrackMultiArtists)
@@ -453,6 +476,47 @@ namespace lms::db::tests
tracks = Track::findIds(session, Track::FindParameters{}.setArtist(artist2->getId(), { TrackArtistLinkType::Artist }));
EXPECT_EQ(tracks.results.size(), 1);
}
{
auto transaction{ session.createReadTransaction() };
std::vector<TrackArtistLink::pointer> visitedLinks;
TrackArtistLink::find(session, TrackArtistLink::FindParameters{}.setTrack(track.getId()), [&](const TrackArtistLink::pointer& link)
{
visitedLinks.push_back(link);
});
ASSERT_EQ(visitedLinks.size(), 2);
EXPECT_EQ(visitedLinks[0]->getArtist()->getId(), artist1.getId());
EXPECT_EQ(visitedLinks[1]->getArtist()->getId(), artist2.getId());
}
{
auto transaction{ session.createReadTransaction() };
std::vector<TrackArtistLink::pointer> visitedLinks;
TrackArtistLink::find(session, TrackArtistLink::FindParameters{}.setArtist(artist2.getId()), [&](const TrackArtistLink::pointer& link)
{
visitedLinks.push_back(link);
});
ASSERT_EQ(visitedLinks.size(), 1);
EXPECT_EQ(visitedLinks[0]->getArtist()->getId(), artist2.getId());
EXPECT_EQ(visitedLinks[0]->getTrack()->getId(), track.getId());
}
{
auto transaction{ session.createReadTransaction() };
std::vector<std::pair<TrackArtistLink::pointer, Artist::pointer>> visitedEntries;
TrackArtistLink::find(session, track.getId(), [&](const TrackArtistLink::pointer& link, const Artist::pointer& artist)
{
visitedEntries.push_back(std::make_pair(link, artist));
});
ASSERT_EQ(visitedEntries.size(), 2);
EXPECT_EQ(visitedEntries[0].first->getArtist()->getId(), artist1.getId());
EXPECT_EQ(visitedEntries[0].second->getId(), artist1.getId());
EXPECT_EQ(visitedEntries[1].first->getArtist()->getId(), artist2.getId());
EXPECT_EQ(visitedEntries[1].second->getId(), artist2.getId());
}
}
TEST_F(DatabaseFixture, Artist_findByName)