update school schema

module/schools/data/schema.mysql.sql

@@ -240,18 +240,24 @@ INSERT INTO `itemcategory` VALUES (8,'ACCESS POINT'),(26,'LAPTOP'),(7,'MEDIA CON
 /*!40000 ALTER TABLE `itemcategory` ENABLE KEYS */;
 UNLOCK TABLES;
 
+--
+-- Table structure for table `course`
+--
+
+CREATE TABLE `course` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `name` varchar(191) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 
 --
 -- Table structure for table `lab`
 --
 
 DROP TABLE IF EXISTS `lab`;
-/*!40101 SET @saved_cs_client     = @@character_set_client */;
-/*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `lab` (
   `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
   `school_id` int(11) unsigned NOT NULL,
-  `teacher_id` int(11) unsigned,
   `name` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL,
   `type` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL,
   `area` int(11) unsigned NOT NULL,
@@ -260,12 +266,38 @@ CREATE TABLE `lab` (
   `out_school_use` tinyint(1) unsigned DEFAULT '0',
   `has_network` tinyint(1) unsigned DEFAULT '0',
   `has_server` tinyint(1) unsigned DEFAULT '0',
+  `teacher_id` int(11) unsigned DEFAULT NULL,
   PRIMARY KEY (`id`),
-  FOREIGN KEY (school_id) REFERENCES school(id)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+  KEY `school_id` (`school_id`),
+  KEY `index_foreignkey_lab_teacher` (`teacher_id`),
+  CONSTRAINT `c_fk_lab_teacher_id` FOREIGN KEY (`teacher_id`) REFERENCES `teacher` (`id`),
+  CONSTRAINT `lab_ibfk_1` FOREIGN KEY (`school_id`) REFERENCES `school` (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
 /*!40101 SET character_set_client = @saved_cs_client */;
 
 
+--
+-- Table structure for table `course_lab`
+--
+
+CREATE TABLE `course_lab` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `course_id` int(11) unsigned DEFAULT NULL,
+  `lab_id` int(11) unsigned DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `UQ_5dc8c5a0ea81087a9c594a364e698c3295024b75` (`course_id`,`lab_id`),
+  KEY `index_foreignkey_course_lab_course` (`course_id`),
+  KEY `index_foreignkey_course_lab_lab` (`lab_id`),
+  CONSTRAINT `c_fk_course_lab_lab_id` FOREIGN KEY (`lab_id`) REFERENCES `lab` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT `c_fk_course_lab_course_id` FOREIGN KEY (`course_id`) REFERENCES `course` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+
+--
+-- Table structure for table `course`
+--
+
 --
 -- Table structure for table `schoolasset`
 --