我在Django中使用了以下简化的设置,使用MySQL:
class Category(models.Model):
name = models.CharField(max_length=255)
class MyTable(models.Model):
category = models.ForeignKey('Category', on_delete=models.CASCADE)
date = models.DateField()
amount = models.IntegerField()
class Meta:
调用SDK发送短信,手机已收到验证码。
调用查询SDK时,获取返回结果报错:
[TencentCloudSDKException]message:InternalError.ConstructUserDataFail-construct user data fail requestId:这里是requestId
请问这是什么原因,排查不到问题。也没有找到相关的错误描述
是否可以按值对表进行排序,再除以每年的值之和,再除以每年的行数?我试图用这个错误的伪查询来说明这一点:
select *, value / sum(value group by year) / count(value group by year) result from bar order by result desc;
一个非常简单的表格来显示结果。
+-------+-------+-------+---------------+
| title | year | value | result |
+-------+-------+-------+-------------
C:\Users\Abj>python
Python 2.7.15 (v2.7.15:ca079a3ea3, Apr 30 2018, 16:30:26) [MSC v.1500 64
bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> ^Z
C:\Users\Abj>cd Documents\VVV\qq\
C:\Users\Abj\Documents\
我想根据字符串格式(如(ABCD/2018/001),(ABCDEFG/2018/00002). )获取详细信息。我不知道斜杠之前有多少短信。
SELECT cp.CaseID, cp.BillNo, ca.CaseNo, ca.CaseName, ISNULL(cp.Balance,0) AS BalanceAmount, ISNULL(cp.TotalAmount,0) AS PaidAmount
FROM Cases ca
LEFT JOIN CasePayment cp ON cp.CaseID=ca.ID
WHERE cp.BillNo LIKE '%ABC/