from sqlalchemy import create_engine
from sqlalchemy import Column, Integer, TEXT,VARCHAR
from sqlalchemy.ext.declarative import declarative_base

engine = create_engine('mysql+pymysql://root:yyj0010YYJ@10.23.174.207/cloud',encoding="utf-8",echo=True)
base = declarative_base()


class User(base):
    __tablename__ = 'users'
    user_id = Column('user_id', VARCHAR(20), primary_key=True)
    password = Column('password', TEXT, nullable=False)


class predict(base):
    __tablename__= 'predictcouplet'
    up = Column('up',VARCHAR(20),primary_key=True)
    down= Column('down',VARCHAR(20),primary_key=True)

class train(base):
    __tablename__= 'trainingcouplet'
    up = Column('up',VARCHAR(20),primary_key=True)
    down= Column('down',VARCHAR(20),primary_key=True)


class evaluate(base):
    __tablename__= 'evaluatecouplet'
    up = Column('up',VARCHAR(20),primary_key=True)
    down= Column('down',VARCHAR(20),primary_key=True)
    popular=Column('popular',Integer)


base.metadata.create_all(engine)  # 创建表结构