С задачами пока закончил

DataBaseLMS/databaselms.cpp

@@ -783,6 +783,44 @@ int DataBaseLMS::deleteTaskFIM(int id_task)
         return 0;
     }
 
+    //Выгребаем все malfunction для этой задачи
+    queryStr = QString("SELECT malfunctions.malfunction_id "
+                                                 "FROM public.malfunctions JOIN public.tasks_fim ON tasks_fim.task_id = malfunctions.task_fim_malf "
+                                                 "WHERE malfunctions.task_fim_malf = %1 "
+                                                 "ORDER BY malfunctions.malfunction_id ASC").arg(
+                                                        id_task);
+    QSqlQuery queryMalf = QSqlQuery(*db);
+
+    if(queryExec(queryStr, &queryMalf))
+    {
+        while (queryMalf.next())
+        {//Неисправность
+            int malfunction_id = 0;
+
+            malfunction_id = queryMalf.value(0).toString().toInt();
+
+            if(malfunction_id)
+            {
+                queryStr = QString("DELETE FROM public.malf_sign "
+                                                             "WHERE malf_malf_sign = %1 ").arg(
+                                                                    malfunction_id);
+
+                QSqlQuery querySign = QSqlQuery(*db);
+                if(!queryExec(queryStr, &querySign))
+                {
+                    resBool = db->rollback();
+                    return 0;
+                }
+            }
+        };
+    }
+    else
+    {
+        resBool = db->rollback();
+        return 0;
+    }
+
+
     queryStr = QString("DELETE FROM public.malfunctions "
                                                  "WHERE task_fim_malf = %1 ").arg(
                                                         QString::number(id_task));