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console/migrations/m180507_123248_create_event_lang_table.php 1.88 KB
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  <?php
  
  use yii\db\Migration;
  
  /**
   * Handles the creation of table `event_lang`.
   */
  class m180507_123248_create_event_lang_table extends Migration
  {
      /**
       * {@inheritdoc}
       */
      public function safeUp()
      {
          $this->createTable('event_lang', [
              'id' => $this->primaryKey(),
              'event_id' => $this->integer()
                                        ->notNull(),
              'language_id'     => $this->integer()
                                        ->notNull(),
              'title'           => $this->string(255),
              'body'            => $this->text(),
              'body_preview'    => $this->text(),
              'alias_id'        => $this->integer(),
          ]);
      
          $this->createIndex(
              'event_lang_uk',
              'event_lang',
              [
                  'event_id',
                  'language_id',
              ],
              true
          );
      
          $this->createIndex(
              'event_alias_uk',
              'event_lang',
              'alias_id',
              true
          );
      
          /**
           * Add foreign keys in blog_articles and language tables
           */
          $this->addForeignKey(
              'event_fk',
              'event_lang',
              'event_id',
              'event',
              'id',
              'CASCADE',
              'CASCADE'
          );
      
          $this->addForeignKey(
              'event_lang_fk',
              'event_lang',
              'language_id',
              'language',
              'id',
              'RESTRICT',
              'CASCADE'
          );
      }
  
      /**
       * {@inheritdoc}
       */
      public function safeDown()
      {
          $this->dropForeignKey('event_lang_fk', 'event_lang');
          $this->dropForeignKey('event_fk', 'event_lang');
          $this->dropIndex('event_alias_uk', 'event_lang');
          $this->dropIndex('event_lang_uk', 'event_lang');
          $this->dropTable('event_lang');
      }
  }