Migrations

console/migrations/m160209_233922_create_table_courses_lang.php

+<?php
+
+use yii\db\Schema;
+use yii\db\Migration;
+
+class m160209_233922_create_table_courses_lang extends Migration
+{
+    public function safeUp()
+    {
+        $tableOptions = null;
+        if ($this->db->driverName === 'mysql') 
+        {
+            $tableOptions = 'CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE=InnoDB';
+        }
+        
+        // Структура таблицы `courses_lang`
+ 
+        $this->createTable('courses_lang', [
+            'id' => Schema::TYPE_PK,
+            'lang_id' => Schema::TYPE_INTEGER . '(11) NOT NULL', 
+            'course_id' => Schema::TYPE_INTEGER . '(11) NOT NULL', 
+            'title' => Schema::TYPE_STRING . '(150) NOT NULL',
+            'description' => Schema::TYPE_TEXT . ' NOT NULL',
+            'description_for_course' => Schema::TYPE_TEXT . ' NOT NULL',
+        ], $tableOptions);
+        
+        $this->createIndex('FK_courses_lang_languages', 'courses_lang', 'lang_id');
+        $this->createIndex('FK_courses_lang_courses', 'courses_lang', 'course_id');
+    }
+
+    public function safeDown()
+    {
+        $this->dropTable('courses_lang');
+    }
+}

console/migrations/m160210_004018_create_table_lessons_lang.php

+<?php
+
+use yii\db\Schema;
+use yii\db\Migration;
+
+class m160210_004018_create_table_lessons_lang extends Migration
+{
+    public function safeUp()
+    {
+        $tableOptions = null;
+        if ($this->db->driverName === 'mysql') 
+        {
+            $tableOptions = 'CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE=InnoDB';
+        }
+        
+        // Структура таблицы `courses_lang`
+ 
+        $this->createTable('lessons_lang', [
+            'id' => Schema::TYPE_PK,
+            'lang_id' => Schema::TYPE_INTEGER . '(11) NOT NULL', 
+            'lesson_id' => Schema::TYPE_INTEGER . '(11) NOT NULL', 
+            'title' => Schema::TYPE_STRING . '(150) NOT NULL',
+            'text' => Schema::TYPE_TEXT . ' NOT NULL',
+        ], $tableOptions);
+        
+        $this->createIndex('FK_lessons_lang_languages', 'lessons_lang', 'lang_id');
+        $this->createIndex('FK_lessons_lang_lessons', 'lessons_lang', 'lesson_id');
+    }
+
+    public function safeDown()
+    {
+        $this->dropTable('lessons_lang');
+    }
+}