code: function() {
  		var query = this.query;
  		var args = [];
  		var text = "UPDATE";
  		if (query.table) text += lib.builder.makeStr(query,"table"," ");
  		if (query.join) text += lib.builder.makeJoin(query);
  		if (query.set) text += lib.builder.makeSet(query,args);
  		if (query.where) text += lib.builder.makeWhere(query,args);
  		return {
  			type: "update",
  			text: text,
  			args: args,
  		};
  	}
docs: .toQuery()