Bluz\Db\Table::getColumns PHP Method

    public function getColumns()
    {
        if (empty($this->columns)) {
            $columns = Cache::get('table:columns:' . $this->table);
            if (!$columns) {
                $connect = DbProxy::getOption('connect');
                $columns = DbProxy::fetchColumn('
                    SELECT COLUMN_NAME
                    FROM INFORMATION_SCHEMA.COLUMNS
                    WHERE TABLE_SCHEMA = ?
                      AND TABLE_NAME = ?', [$connect['name'], $this->getName()]);
                Cache::set('table:columns:' . $this->table, $columns);
                Cache::addTag('table:columns:' . $this->table, 'db');
            }
            $this->columns = $columns;
        }
        return $this->columns;
    }