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88 lines
2.6 KiB
88 lines
2.6 KiB
10 years ago
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<?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\db\Schema;
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use yii\db\Migration;
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use yii\log\DbTarget;
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/**
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* Initializes log table.
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*
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* The indexes declared are not required. They are mainly used to improve the performance
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* of some queries about message levels and categories. Depending on your actual needs, you may
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* want to create additional indexes (e.g. index on `log_time`).
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*
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* @author Alexander Makarov <sam@rmcreative.ru>
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* @since 2.0.1
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*/
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class m141106_185632_log_init extends Migration
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{
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/**
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* @var DbTarget[]
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*/
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private $dbTargets = [];
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/**
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* @throws InvalidConfigException
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* @return DbTarget[]
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*/
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protected function getDbTargets()
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{
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if ($this->dbTargets === []) {
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$log = Yii::$app->getLog();
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foreach ($log->targets as $target) {
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if ($target instanceof DbTarget) {
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$this->dbTargets[] = $target;
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}
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}
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if ($this->dbTargets === []) {
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throw new InvalidConfigException('You should configure "log" component to use one or more database targets before executing this migration.');
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}
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}
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return $this->dbTargets;
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}
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public function up()
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{
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$targets = $this->getDbTargets();
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foreach ($targets as $target) {
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$this->db = $target->db;
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$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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$this->createTable($target->logTable, [
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'id' => Schema::TYPE_BIGPK,
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'level' => Schema::TYPE_INTEGER,
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'category' => Schema::TYPE_STRING,
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'log_time' => Schema::TYPE_INTEGER,
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'prefix' => Schema::TYPE_TEXT,
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'message' => Schema::TYPE_TEXT,
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], $tableOptions);
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$this->createIndex('idx_log_level', $target->logTable, 'level');
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$this->createIndex('idx_log_category', $target->logTable, 'category');
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}
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}
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public function down()
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{
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$targets = $this->getDbTargets();
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foreach ($targets as $target) {
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$this->db = $target->db;
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$this->dropTable($target->logTable);
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}
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}
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}
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