Changed the "level" column in "log" table to be integer again (#5)

src/migrations/m180103_040100_log_change_level_to_int.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+use yii\base\InvalidConfigException;
+use yii\db\Migration;
+use yii\log\DbTarget;
+
+/**
+ *
+ * @author Dzhuneyt Ahmed <[email protected]>
+ */
+class m180103_040100_log_change_level_to_int extends Migration
+{
+
+ /**
+ * @var DbTarget[] Targets to create log table for
+ */
+ protected $dbTargets = [];
+
+ /**
+ * @throws InvalidConfigException
+ * @return DbTarget[]
+ */
+ protected function getDbTargets()
+ {
+ if ($this->dbTargets === []) {
+ $logger = Yii::getLogger();
+ if (!$logger instanceof \yii\log\Logger) {
+ throw new InvalidConfigException('You should configure "logger" to be instance of "\yii\log\Logger" before executing this migration.');
+ }
+
+ $usedTargets = [];
+ foreach ($logger->targets as $target) {
+ if ($target instanceof DbTarget) {
+ $currentTarget = [
+ $target->db,
+ $target->logTable,
+ ];
+ if (!in_array($currentTarget, $usedTargets, true)) {
+ // do not create same table twice
+ $usedTargets[] = $currentTarget;
+ $this->dbTargets[] = $target;
+ }
+ }
+ }
+
+ if ($this->dbTargets === []) {
+ throw new InvalidConfigException('You should configure "log" component to use one or more database targets before executing this migration.');
+ }
+ }
+
+ return $this->dbTargets;
+ }
+
+ public function up()
+ {
+ foreach ($this->getDbTargets() as $target) {
+ $this->db = $target->db;
+ $this->alterColumn($target->logTable, 'level', $this->integer());
+ }
+ }
+
+ public function down()
+ {
+ foreach ($this->getDbTargets() as $target) {
+ $this->db = $target->db;
+ $this->alterColumn($target->logTable, 'level', $this->string());
+ }
+ }
+}