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Collapse version groups to the primary version in queries

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Shadowghost
2026-06-07 22:37:34 +02:00
parent a53a533cc4
commit fe1d8d8840
2 changed files with 151 additions and 4 deletions
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11
Jellyfin.Server.Implementations/Item/BaseItemRepository.QueryBuilding.cs
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@@ -62,18 +62,21 @@ public sealed partial class BaseItemRepository
private IQueryable<BaseItemEntity> ApplyGroupingFilter(JellyfinDbContext context, IQueryable<BaseItemEntity> dbQuery, InternalItemsQuery filter)
{
// Collapse duplicates sharing a presentation key (e.g. alternate versions) by picking
// the min Id per group. Keep the grouped ids as an IQueryable sub-select; materializing
// Collapse duplicates sharing a presentation key (e.g. alternate versions), preferring the
// primary version (PrimaryVersionId is null) so detail pages and actions target it instead
// of an arbitrary alternate. Keep the grouped ids as an IQueryable sub-select; materializing
// to a List would inline one bound parameter per id and hit SQLite's variable cap.
var enableGroupByPresentationUniqueKey = EnableGroupByPresentationUniqueKey(filter);
if (enableGroupByPresentationUniqueKey && filter.GroupBySeriesPresentationUniqueKey)
{
var groupedIds = dbQuery.GroupBy(e => new { e.PresentationUniqueKey, e.SeriesPresentationUniqueKey }).Select(e => e.Min(x => x.Id));
var groupedIds = dbQuery.GroupBy(e => new { e.PresentationUniqueKey, e.SeriesPresentationUniqueKey })
.Select(g => g.Where(e => e.PrimaryVersionId == null).Min(e => (Guid?)e.Id) ?? g.Min(e => (Guid?)e.Id));
dbQuery = context.BaseItems.AsNoTracking().Where(e => groupedIds.Contains(e.Id));
}
else if (enableGroupByPresentationUniqueKey)
{
var groupedIds = dbQuery.GroupBy(e => e.PresentationUniqueKey).Select(e => e.Min(x => x.Id));
var groupedIds = dbQuery.GroupBy(e => e.PresentationUniqueKey)
.Select(g => g.Where(e => e.PrimaryVersionId == null).Min(e => (Guid?)e.Id) ?? g.Min(e => (Guid?)e.Id));
dbQuery = context.BaseItems.AsNoTracking().Where(e => groupedIds.Contains(e.Id));
}
else if (filter.GroupBySeriesPresentationUniqueKey)