code: public function quoteSimpleTableName($name)
      {
          if (is_string($this->tableQuoteCharacter)) {
              $startingCharacter = $endingCharacter = $this->tableQuoteCharacter;
          } else {
              list($startingCharacter, $endingCharacter) = $this->tableQuoteCharacter;
          }
          return strpos($name, $startingCharacter) !== false ? $name : $startingCharacter . $name . $endingCharacter;
      }
docs: Quotes a simple table name for use in a query.
  A simple table name should contain the table name only without any schema prefix.
  If the table name is already quoted, this method will do nothing.
  @param string $name table name
  @return string the properly quoted table name