Enhance query performance by applying AsSplitQuery to multiple handlers and loaders for Channels and ScheduleTemplates, improving efficiency in data retrieval and reducing unnecessary data duplication in queries.

2026-07-26 21:50:01 +03:00
parent b52080e026
commit c4c93cff02
14 changed files with 25 additions and 0 deletions
@@ -60,6 +60,10 @@ public sealed class GridScheduleGenerator(
        var channel = await dbContext
            .Channels.Include(c => c.BumperTemplates)
                .ThenInclude(t => t.Variants)
+            // Вложенные коллекции тянем отдельными запросами: иначе колонки родителя (у шаблона —
+            // jsonb с правилами, у слоя — jsonb применимости) приезжают по копии на каждую строку
+            // листа. Тик планировщика повторяет эти два запроса на каждый канал.
+            .AsSplitQuery()
            .FirstOrDefaultAsync(c => c.Id == channelId, cancellationToken);
        if (channel is null || !channel.IsEnabled || channel.TemplateId is null)
            return new GenerationReport(0, [], ChannelSkipped: true);
@@ -70,6 +74,7 @@ public sealed class GridScheduleGenerator(
        var template = await dbContext
            .ScheduleTemplates.Include(t => t.Layers)
                .ThenInclude(l => l.Slots)
+            .AsSplitQuery()
            .FirstOrDefaultAsync(t => t.Id == channel.TemplateId, cancellationToken);
        if (template is null)
            return new GenerationReport(0, [], ChannelSkipped: true);
@@ -174,6 +179,7 @@ public sealed class GridScheduleGenerator(
            .Channels.AsNoTracking()
            .Include(c => c.BumperTemplates)
                .ThenInclude(t => t.Variants)
+            .AsSplitQuery()
            .FirstOrDefaultAsync(c => c.Id == channelId, cancellationToken);
        if (channel is null || channel.TemplateId is null)
            return null;
@@ -182,6 +188,7 @@ public sealed class GridScheduleGenerator(
            .ScheduleTemplates.AsNoTracking()
            .Include(t => t.Layers)
                .ThenInclude(l => l.Slots)
+            .AsSplitQuery()
            .FirstOrDefaultAsync(t => t.Id == channel.TemplateId, cancellationToken);
        if (template is null)
            return null;