public function remove($column)
    {
        foreach ($this->expressions as $key => $expr) {
            if ($expr->getColumn() == $column) {
                unset($this->expressions[$key]);
            }
        }
    }
public function remove($column)
    {
        foreach ($this->expressions as $key => $expr) {
            if ($expr->getColumn() == $column) {
                unset($this->expressions[$key]);
            }
        }
    }
public function remove ( $ column ) { foreach ( $ this -> expressions as $ key => $ expr ) { if ( $ expr -> getColumn ( ) == $ column ) { unset ( $ this -> expressions [ $ key ] ) ; } } }
Removes an condition containing an specific column

@param string $column
Removes an condition containing an specific column