Fix #18678: Fix `yii\caching\DbCache` to use configured cache table name instead of the default one in case of MSSQL varbinary column type detection

framework/CHANGELOG.md

@@ -8,6 +8,7 @@ Yii Framework 2 Change Log
 - Enh #18628: Added strings "software", and "hardware" to `$specials` array in `yii\helpers\BaseInflector` (kjusupov)
 - Enh #18653: Added method `yii\helpers\BaseHtml::getInputIdByName()` (WinterSilence)
 - Enh #18669: Changed visibility of `yii\web\User::checkRedirectAcceptable()` to `public` (rhertogh)
+- Bug #18678: Fix `yii\caching\DbCache` to use configured cache table name instead of the default one in case of MSSQL varbinary column type detection (aidanbek)
 
 2.0.42.1 May 06, 2021
 ---------------------

framework/caching/DbCache.php

@@ -305,7 +305,7 @@ class DbCache extends Cache
     {
         if ($this->isVarbinaryDataField === null) {
             $this->isVarbinaryDataField = in_array($this->db->getDriverName(), ['sqlsrv', 'dblib']) &&
-                $this->db->getTableSchema('cache')->columns['data']->dbType === 'varbinary';
+                $this->db->getTableSchema($this->cacheTable)->columns['data']->dbType === 'varbinary';
         }
         return $this->isVarbinaryDataField;
     }