Fix #18156: Fix `yii\db\Schema::quoteSimpleTableName()` was checking incorrect quote character

framework/CHANGELOG.md

@@ -14,6 +14,7 @@ Yii Framework 2 Change Log
 - Enh #18205: Add `.phpstorm.meta.php` file for better auto-completion in PhpStorm (vjik)
 - Bug #18198: Fix saving tables with trigger by outputting inserted data from insert query with usage of temporary table (darkdef)
 - Bug #18203: PDO exception code was not properly passed to `yii\db\Exception` (samdark)
+- Bug #18156: Fix `yii\db\Schema::quoteSimpleTableName()` was checking incorrect quote character (M4tho, samdark)
 
 2.0.36 July 07, 2020
 --------------------

framework/db/Schema.php

@@ -559,7 +559,7 @@ abstract class Schema extends BaseObject
      */
     public function quoteSimpleColumnName($name)
     {
-        if (is_string($this->tableQuoteCharacter)) {
+        if (is_string($this->columnQuoteCharacter)) {
             $startingCharacter = $endingCharacter = $this->columnQuoteCharacter;
         } else {
             list($startingCharacter, $endingCharacter) = $this->columnQuoteCharacter;