src/Builder/GenericBuilder.php
public function writeColumnName(Column $column)
    {
        $name = $column->getName();

        if ($name === Column::ALL) {
            return $this->writeColumnAll();
        }

        return $name;
    }
public function writeColumnName(Column $column)
    {
        $name = $column->getName();

        if ($name === Column::ALL) {
            return $this->writeColumnAll();
        }

        return $name;
    }
Returns the column name.

@param Column $column

@return string