Fix bug in `yii\db\mysql\Schema`

framework/CHANGELOG.md

@@ -63,6 +63,7 @@ Yii Framework 2 Change Log
 - Bug #3996: Traversing `Yii::$app->session` may cause a PHP error (qiangxue)
 - Bug #4020: OCI column detection did not work so gii and other things failed (Sanya1991)
 - Bug #4127: `CaptchaValidator` clientside error message wasn't formed properly (samdark)
+- Bug #4162: Fixed bug where schema name was not used in ’SHOW CREATE TABLE’ query in `yii\db\mysql\Schema` (stevekr)
 - Bug: Fixed inconsistent return of `\yii\console\Application::runAction()` (samdark)
 - Bug: URL encoding for the route parameter added to `\yii\web\UrlManager` (klimov-paul)
 - Bug: Fixed the bug that requesting protected or private action methods would cause 500 error instead of 404 (qiangxue)

framework/db/mysql/Schema.php

@@ -225,7 +225,7 @@ class Schema extends \yii\db\Schema
      */
     protected function getCreateTableSql($table)
     {
-        $row = $this->db->createCommand('SHOW CREATE TABLE ' . $this->quoteSimpleTableName($table->name))->queryOne();
+        $row = $this->db->createCommand('SHOW CREATE TABLE ' . $this->quoteTableName($table->fullName))->queryOne();
         if (isset($row['Create Table'])) {
             $sql = $row['Create Table'];
         } else {