From d894a98b79c190e0898c6b05230eab2da6732ef5 Mon Sep 17 00:00:00 2001 From: Shadowghost Date: Thu, 16 Jul 2026 14:20:42 +0200 Subject: Fix tie-breaker performance --- .../Item/BaseItemRepository.TranslateQuery.cs | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'Jellyfin.Server.Implementations/Item/BaseItemRepository.TranslateQuery.cs') diff --git a/Jellyfin.Server.Implementations/Item/BaseItemRepository.TranslateQuery.cs b/Jellyfin.Server.Implementations/Item/BaseItemRepository.TranslateQuery.cs index 52cebccc37..1198f99473 100644 --- a/Jellyfin.Server.Implementations/Item/BaseItemRepository.TranslateQuery.cs +++ b/Jellyfin.Server.Implementations/Item/BaseItemRepository.TranslateQuery.cs @@ -557,8 +557,13 @@ public sealed partial class BaseItemRepository : baseQuery.Where(e => inProgressIds.Contains(e.Id)); // When several versions of the same item are in progress, keep only the most recently played one, use id as tiebreaker. + // Only in-progress siblings can eliminate a candidate: a version without progress has a NULL max LastPlayedDate, + // which is never greater and never ties. Restricting the sibling scan to the in-progress set keeps this bounded by + // the user's Continue Watching count instead of forcing a full BaseItems scan (COALESCE keys are non-indexable) per row. baseQuery = baseQuery.Where(e => e.Type == seriesTypeName || !context.BaseItems - .Where(s => s.Id != e.Id && (s.PrimaryVersionId ?? s.Id) == (e.PrimaryVersionId ?? e.Id)) + .Where(s => s.Id != e.Id + && inProgressIds.Contains(s.Id) + && (s.PrimaryVersionId ?? s.Id) == (e.PrimaryVersionId ?? e.Id)) .Any(s => inProgress.Where(su => su.ItemId == s.Id).Max(su => su.LastPlayedDate) > inProgress.Where(eu => eu.ItemId == e.Id).Max(eu => eu.LastPlayedDate) -- cgit v1.2.3