<?php
    
    use yii\db\Migration;
    
    /**
     * Handles the creation for table `stock_lang`.
     */
    class m161011_104931_create_stock_lang_table extends Migration
    {
        /**
         * @inheritdoc
         */
        public function up()
        {
            $this->createTable(
                'stock_lang',
                [
                    'stock_id'    => $this->integer()
                                          ->notNull(),
                    'language_id' => $this->integer()
                                          ->notNull(),
                    'title'       => $this->string()
                                          ->notNull(),
                ]
            );
            $this->createIndex(
                'stock_lang_stock_language_key',
                'stock_lang',
                [
                    'stock_id',
                    'language_id',
                ],
                true
            );
            
            $this->addForeignKey('stock_fk', 'stock_lang', 'stock_id', 'stock', 'id', 'CASCADE', 'CASCADE');
            $this->addForeignKey('language_fk', 'stock_lang', 'language_id', 'language', 'id', 'RESTRICT', 'CASCADE');
        }
        
        /**
         * @inheritdoc
         */
        public function down()
        {
            $this->dropTable('stock_lang');
        }
    }