from sqlalchemy import Column, DateTime, String, Text from sqlalchemy.sql import func from backend.app.db.base import Base class SyncState(Base): __tablename__ = "sync_states" key = Column(String, primary_key=True) token = Column(Text, nullable=False) last_sync_at = Column(DateTime(timezone=True)) created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False) updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)