public function between($key, $left, $right)
    {
        return $this->command->between($key, $left, $right);
    }
public function between($key, $left, $right)
    {
        return $this->command->between($key, $left, $right);
    }
public function between ( $ key , $ left , $ right ) { return $ this -> command -> between ( $ key , $ left , $ right ) ; }
Converts a "normal" select into an index one.
You use do a select on an index you can use the between operator.

@param   string  $key
@param   string  $left
@param   string  $right
Converts a normal select into an index one . You use do a select on an index you can use the between operator .