发布课表投影改为数据库端删除旧数据、每 2,000 条分批写入并及时释放 EF 跟踪对象，避免大规模发布时内存持续增长。

为“空闲教室/预约占用”新增学期 + 周次 + 星期 + 节次 + 场地查询索引；新发布课表的该查询已优先走课次明细投影。
2026-08-09 16:05:57 +08:00
parent e39ab4579f
commit 8ef7fc9f9a
5 changed files with 6796 additions and 3 deletions
@@ -543,6 +543,14 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
        builder.Entity<PublishedScheduleOccurrence>(entity =>
        {
            entity.HasIndex(x => new { x.AcademicTermId, x.TeachingTaskId, x.Week });
+            entity.HasIndex(x => new
+            {
+                x.AcademicTermId,
+                x.Week,
+                x.DayOfWeek,
+                x.StartPeriod,
+                x.ClassroomId
+            });
            entity.HasIndex(x => new { x.SchedulePlanId, x.ClassroomId, x.Week, x.DayOfWeek, x.StartPeriod });
            entity.HasIndex(x => new { x.ScheduleEntryId, x.Week }).IsUnique();
            entity.HasOne(x => x.ScheduleEntry).WithMany().HasForeignKey(x => x.ScheduleEntryId).OnDelete(DeleteBehavior.Cascade);