public function parse(){
		$where = $order = $group = $limit = $q = '';
		$source = $this->parseSource();

		if($this->stmt->getConditions())
			$where = $this->parseWhere();
		if($this->stmt instanceof Result && $this->stmt->getGrouping())
			$group = $this->parseGrouping();
		if($this->stmt->getSorting())
			$order = $this->parseSorting();

		$this->clauses = array($source, $where, $group, $order);

		if($this->stmt->getType() === Manager::STMT_SELECT)
			$q = $this->parseSelectStmt();
		elseif($this->stmt->getType() === Manager::STMT_INSERT)
			$q = $this->parseInsertStmt();
		elseif($this->stmt->getType() === Manager::STMT_UPDATE)
			$q = $this->parseUpdateStmt();
		elseif($this->stmt->getType() === Manager::STMT_DELETE)
			$q = $this->parseDeleteStmt();

		return trim($q);
	}