src/Db/Schema/Index.php
public function isSame(Index $other, $renamedColumns = null)
    {
        if ($renamedColumns) {
            $columns = [];
            foreach ($this->columns as $col) {
                $columns[] = isset($renamedColumns[$col]) ? $renamedColumns[$col]->name : $col;
            }
        } else {
            $columns = $this->columns;
        }
        if ($columns != $other->columns) {
            return false;
        }
        if ($this->name == self::PRIMARY || $other->name == self::PRIMARY) {
            return $this->name == $other->name;
        } else {
            return $this->type == $other->type;
        }
    }
public function isSame(Index $other, $renamedColumns = null)
    {
        if ($renamedColumns) {
            $columns = [];
            foreach ($this->columns as $col) {
                $columns[] = isset($renamedColumns[$col]) ? $renamedColumns[$col]->name : $col;
            }
        } else {
            $columns = $this->columns;
        }
        if ($columns != $other->columns) {
            return false;
        }
        if ($this->name == self::PRIMARY || $other->name == self::PRIMARY) {
            return $this->name == $other->name;
        } else {
            return $this->type == $other->type;
        }
    }
public function isSame ( Index $ other , $ renamedColumns = null ) { if ( $ renamedColumns ) { $ columns = [ ] ; foreach ( $ this -> columns as $ col ) { $ columns [ ] = isset ( $ renamedColumns [ $ col ] ) ? $ renamedColumns [ $ col ] -> name : $ col ; } } else { $ columns = $ this -> columns ; } if ( $ columns != $ other -> columns ) { return false ; } if ( $ this -> name == self :: PRIMARY || $ other -> name == self :: PRIMARY ) { return $ this -> name == $ other -> name ; } else { return $ this -> type == $ other -> type ; } }
compare with index

@param Index $other
@param array $renamedColumns
@return boolean
compare with index