摘要：
```py
from sqlalchemy import func message_count = self.db.query(func.count(Message.uid)).filter(Message.uid == self.uid, Message.msg_readstatus == MessageStatus.un_read.value).scalar() ``` 阅读全文
posted @ 2017-02-13 17:54
CooMark
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摘要：
http://www.cnblogs.com/codingmylife/archive/2013/05/31/3110656.html python 3.4+ 阅读全文
posted @ 2017-02-13 09:21
CooMark
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