public function update($t, $nvp = array()){
		if(is_array($t)){
			$nvp = $t;
		}elseif(is_string($t)){
			$this->table($t);
		}
		$columns = [];
		foreach(array_keys($nvp) as $s){
			$column = \Dorsataio\Squibble\Resource\Extract::fromColumn($s);
			$column['value'] = $nvp[$s];
			array_push($columns, $column);
		}
		$this->_sql = $this->getUpdateStatement($columns);
		return $this;
	}