Fixes #3268: Fixed the bug that the schema name in a table name was not…

framework/CHANGELOG.md

@@ -21,6 +21,7 @@ Yii Framework 2 Change Log
 - Bug #3204: `yii\di\Container` did not handle the `$config` parameter well in case when it does not have a default value (qiangxue)
 - Bug #3216: Fixed the bug that `yii.activeForm.destroy()` did not remove `submit` event handlers (qiangxue)
 - Bug #3236: Return value for DateTime->format('U') casted to double to allow correct date formatting (pgaultier)
+- Bug #3268: Fixed the bug that the schema name in a table name was not respected by `yii\db\mysql\Schema` (terazoid, qiangxue)
 - Enh #2264: `CookieCollection::has()` will return false for expired or removed cookies (qiangxue)
 - Enh #2837: Error page now shows arguments in stack trace method calls (samdark)
 - Enh #2906: Added support for using conditional comments for js and css files registered through asset bundles and Html helper (exromany, qiangxue)

framework/db/mysql/Schema.php

@@ -183,7 +183,7 @@ class Schema extends \yii\db\Schema
      */
     protected function findColumns($table)
     {
-        $sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteSimpleTableName($table->name);
+        $sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteSimpleTableName($table->fullName);
         try {
             $columns = $this->db->createCommand($sql)->queryAll();
         } catch (\Exception $e) {