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Simplified queries

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This commit is contained in:
emeric
2024-04-17 19:04:52 +02:00
parent 87daa5c767
commit 42315395fd
1 changed files with 4 additions and 7 deletions
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src/libs/database/impl/Artist.cpp
+4 -7
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@@ -97,21 +97,18 @@ namespace lms::db
else if (params.clusters.size() > 1)
{
std::ostringstream oss;
oss << "a.id IN (SELECT DISTINCT a.id FROM artist a"
" INNER JOIN track t ON t.id = t_a_l.track_id"
" INNER JOIN track_artist_link t_a_l ON t_a_l.artist_id = a.id"
" INNER JOIN cluster c ON c.id = t_c.cluster_id"
" INNER JOIN track_cluster t_c ON t_c.track_id = t.id";
oss << "a.id IN (SELECT DISTINCT t_a_l.artist_id FROM track_artist_link t_a_l"
" INNER JOIN track_cluster t_c ON t_c.track_id = t_a_l.track_id";
WhereClause clusterClause;
for (const ClusterId clusterId : params.clusters)
{
clusterClause.Or(WhereClause("c.id = ?"));
clusterClause.Or(WhereClause("t_c.cluster_id = ?"));
query.bind(clusterId);
}
oss << " " << clusterClause.get();
oss << " GROUP BY t.id,a.id HAVING COUNT(DISTINCT c.id) = " << params.clusters.size() << ")";
oss << " GROUP BY t_a_l.track_id,t_a_l.artist_id HAVING COUNT(DISTINCT t_c.cluster_id) = " << params.clusters.size() << ")";
query.where(oss.str());
}