alim2012的博客

from sqlalchemy.ext.declarative import declarative_base Base = declarative_base() metadata = Base.metadata class User(Base): __tablename__ = 'user' id = Column(BigInteger, primary_key=True) pid = Column(ForeignKey('user.id', ondelete='CASCA.

'sqlacodegen' 不是内部或外部命令，也不是可运行的程序或批处理文件的解决方法 import sqlacodegen.main if __name__ == '__main__': genstr = 'sqlacodegen --noviews --outfile po.py mysql+mysqlconnector://name:pw@localhost:3306/db --tables tab' temp = genstr.split(' ')[1:] genar

SQLAlchemy的类继承、抽象类 https://www.jianshu.com/p/b3cc2fd97b7a ON DUPLICATE KEY UPDATE in the SQL statement https://www.e-learn.cn/content/wangluowenzhang/213028 Flask-SQLAlchemy 同时按照两个条件排序 https://blog.c...