src/Db/MySqlDb.php
public function dropTable($tablename, array $options = []) {
        $sql = 'drop table '.
            (val(Db::OPTION_IGNORE, $options) ? 'if exists ' : '').
            $this->backtick($this->px.$tablename);
        $result = $this->query($sql, Db::QUERY_DEFINE);
        unset($this->tables[strtolower($tablename)]);

        return $result;
    }
public function dropTable($tablename, array $options = []) {
        $sql = 'drop table '.
            (val(Db::OPTION_IGNORE, $options) ? 'if exists ' : '').
            $this->backtick($this->px.$tablename);
        $result = $this->query($sql, Db::QUERY_DEFINE);
        unset($this->tables[strtolower($tablename)]);

        return $result;
    }
{@inheritdoc}