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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\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 <[email protected]> |
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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[] Targets to create log table for |
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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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$logger = Yii::getLogger(); |
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if (!$logger instanceof \yii\log\Logger) { |
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throw new InvalidConfigException('You should configure "logger" to be instance of "\yii\log\Logger" before executing this migration.'); |
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} |
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$usedTargets = []; |
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foreach ($logger->targets as $target) { |
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if ($target instanceof DbTarget) { |
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$currentTarget = [ |
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$target->db, |
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$target->logTable, |
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]; |
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if (!in_array($currentTarget, $usedTargets, true)) { |
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// do not create same table twice |
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$usedTargets[] = $currentTarget; |
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$this->dbTargets[] = $target; |
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} |
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} |
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} |
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if ($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' => $this->bigPrimaryKey(), |
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'level' => $this->integer(), |
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'category' => $this->string(), |
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'log_time' => $this->double(), |
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'prefix' => $this->text(), |
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'message' => $this->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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yiisoft /
yii2
