from sqlalchemy import Column, Integer, String
from typing import List
from ..core.database import Base
from .checkpoint import Checkpoint

class SectionData(Base):
    __tablename__ = "section_data"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    mileage = Column(String(100), nullable=False, comment="断面里程")
    work_site = Column(String(100), nullable=False, comment="工点")
    basic_types = Column(String(100), comment="基础类型")
    height = Column(String(100), comment="桥墩台高度")
    status = Column(String(100), nullable=False, comment="断面状态")
    number = Column(String(100), nullable=False, comment="所在桥梁墩(台)编号", index=True)
    transition_paragraph = Column(String(100), comment="过渡段")
    section_id = Column(String(100), nullable=False, comment="断面id", index=True)

    Checkpoints = List[Checkpoint]