修复实验排课

src/Jiaowu.Api/Infrastructure/Persistence/DevelopmentSqliteMigrator.cs

@@ -92,6 +92,8 @@ public sealed class DevelopmentSqliteMigrator(
         "20260809_48_teaching_task_grade_analytics";
     private const string SwaggerDocumentationSettingMigration =
         "20260809_49_swagger_documentation_setting";
+    private const string ExperimentClassroomConstraintsMigration =
+        "20260809_50_experiment_classroom_constraints";
 
     public async Task MigrateAsync(CancellationToken cancellationToken = default)
     {
@@ -679,6 +681,14 @@ public sealed class DevelopmentSqliteMigrator(
             SwaggerDocumentationSettingMigration,
             swaggerSettingsExist ? [] : SwaggerDocumentationSettingStatements,
             cancellationToken);
+        var experimentClassroomConstraintsExist = await db.Database
+            .SqlQueryRaw<int>(
+                "SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'TeachingTaskAllowedExperimentClassrooms'")
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            ExperimentClassroomConstraintsMigration,
+            experimentClassroomConstraintsExist ? [] : ExperimentClassroomConstraintStatements,
+            cancellationToken);
     }
 
     private async Task ApplyMigrationAsync(
@@ -2940,4 +2950,25 @@ public sealed class DevelopmentSqliteMigrator(
         ON "SystemFeatureSettings" ("Key");
         """
     ];
+
+    private static readonly string[] ExperimentClassroomConstraintStatements =
+    [
+        """
+        CREATE TABLE "TeachingTaskAllowedExperimentClassrooms" (
+            "TeachingTaskScheduleConstraintId" TEXT NOT NULL,
+            "ClassroomId" TEXT NOT NULL,
+            CONSTRAINT "PK_TeachingTaskAllowedExperimentClassrooms"
+                PRIMARY KEY ("TeachingTaskScheduleConstraintId", "ClassroomId"),
+            CONSTRAINT "FK_TeachingTaskAllowedExperimentClassrooms_Constraints"
+                FOREIGN KEY ("TeachingTaskScheduleConstraintId")
+                REFERENCES "TeachingTaskScheduleConstraints" ("Id") ON DELETE CASCADE,
+            CONSTRAINT "FK_TeachingTaskAllowedExperimentClassrooms_Classrooms"
+                FOREIGN KEY ("ClassroomId") REFERENCES "Classrooms" ("Id") ON DELETE RESTRICT
+        );
+        """,
+        """
+        CREATE INDEX "IX_TeachingTaskAllowedExperimentClassrooms_ClassroomId"
+        ON "TeachingTaskAllowedExperimentClassrooms" ("ClassroomId");
+        """
+    ];
 }