src/PicORM/QueryBuilder.php
public function join($mode, $table, $on)
    {
        $this->_join[] = sprintf('%s JOIN %s ON %s', $mode, $table, $on);

        return $this;
    }
public function join($mode, $table, $on)
    {
        $this->_join[] = sprintf('%s JOIN %s ON %s', $mode, $table, $on);

        return $this;
    }
Add JOIN clause

@param $mode     string    INNER|LEFT|RIGHT or other mysql join possibilities
@param $table    string    table name
@param $on       string    join condition

@return $this