from datetime import datetime from sqlalchemy import Column from sqlalchemy import DateTime from sqlalchemy import Float from sqlalchemy import Integer from sqlalchemy import String from model.base import Base class TickerSymbol(Base): __tablename__ = 'ticker_symbol' id = Column(Integer, primary_key=True, autoincrement=True) symbol = Column(String(15), nullable=False, unique=True) def to_dict(self): return { "symbol": self.symbol, }