from sqlalchemy import Column, Integer, String, create_engine
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()


class Srtfile(Base):
    __tablename__ = 'Srtfile'

    id = Column(Integer, primary_key=True, autoincrement=True)
    videoId = Column(String(255), nullable=False)
    channelId = Column(String(255), nullable=False)
    ordinal = Column(Integer, nullable=False)
    srtStartTime = Column(String(255), nullable=False)
    srtEndTime = Column(String(255), nullable=False)    # 同上
    srtText = Column(String(255), nullable=False)       # 如果文本可能很长，考虑增加长度
    isScan = Column(Integer, nullable=True)             # 允许NULL值