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67 lines
1.6 KiB
PHP
67 lines
1.6 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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use yii\base\InvalidConfigException;
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use yii\caching\DbCache;
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use yii\db\Migration;
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/**
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* Initializes Cache tables.
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*
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* @author Misbahul D Munir <misbahuldmunir@gmail.com>
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* @since 2.0.7
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*/
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class m150909_153426_cache_init extends Migration
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{
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/**
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* @throws yii\base\InvalidConfigException
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* @return DbCache
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*/
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protected function getCache()
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{
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$cache = Yii::$app->getCache();
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if (!$cache instanceof DbCache) {
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throw new InvalidConfigException('You should configure "cache" component to use database before executing this migration.');
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}
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return $cache;
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}
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/**
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* {@inheritdoc}
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*/
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public function up()
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{
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$cache = $this->getCache();
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$this->db = $cache->db;
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$tableOptions = null;
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if ($this->db->driverName === 'mysql') {
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// http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci
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$tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB';
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}
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$this->createTable($cache->cacheTable, [
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'id' => $this->string(128)->notNull(),
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'expire' => $this->integer(),
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'data' => $this->binary(),
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'PRIMARY KEY ([[id]])',
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], $tableOptions);
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}
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/**
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* {@inheritdoc}
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*/
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public function down()
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{
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$cache = $this->getCache();
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$this->db = $cache->db;
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$this->dropTable($cache->cacheTable);
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}
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}
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