test_emitjson.py 文件源码

def sa_model():
    from sqlalchemy import create_engine, Table, Column, Integer
    from sqlalchemy.ext.declarative import declarative_base

    engine = create_engine('sqlite:///:memory:')
    Base = declarative_base()

    class Test(Base):
        __tablename__ = 'test'
        a = Column(Integer, primary_key=True)
        b = Column(Integer)
        c = Column(Integer)
        d = Column(Integer)

    Base.metadata.create_all(engine)
    return Test