我想在DATABSE總結數字每個人總和數字並顯示它們
這樣的:
db.each("SELECT Person FROM Persons", function(err, row){
var person = row.Person
db.each("SELECT SUM(numbers) as sum1 FROM Persons WHERE Person = '"+person+"'", function(err, row){
console.log("Sum"+ person+" "+ sum1);
});
});
,但每次總會有一個錯誤,它說:「的ReferenceError:未定義SUM1」
凡定義SUM1?可能缺少'row.sum1'? – taguenizy
@taguenizy我通過它將通過數據庫與「SELECT ... as sum1」 –