我有这样一个查询: EquityIntradayData.objects.using('marketdata').filter(symbol__in=symbol_list).order_by('-date_time')[:1] Models.py: class EquityIntradayData(models.Model):
symbol = models.CharField(db_
我有两个表的用户,并login_table 用户表 id Name status
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1 Johan 1
2 Smith 1
. . . .
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登录表 id user_id login_date hours
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