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Simplified queries

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This commit is contained in:
emeric
2024-04-17 18:41:23 +02:00
parent f7fac19a5c
commit ec1a38fa76
1 changed files with 4 additions and 7 deletions
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src/libs/database/impl/Listen.cpp
+4 -7
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@@ -53,21 +53,18 @@ namespace lms::db
if (!params.clusters.empty()) if (!params.clusters.empty())
{ {
std::ostringstream oss; std::ostringstream oss;
oss << "a.id IN (SELECT DISTINCT a.id FROM artist a" oss << "a.id IN (SELECT DISTINCT t_a_l.artist_id FROM track_artist_link t_a_l"
" INNER JOIN track t ON t.id = t_a_l.track_id" " INNER JOIN track_cluster t_c ON t_c.track_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";
WhereClause clusterClause; WhereClause clusterClause;
for (auto id : params.clusters) for (auto id : params.clusters)
{ {
clusterClause.Or(WhereClause("c.id = ?")); clusterClause.Or(WhereClause("t_c.cluster_id = ?"));
query.bind(id); query.bind(id);
} }
oss << " " << clusterClause.get(); 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()); query.where(oss.str());
} }