数据查询完善

app/models/section_data.py

@@ -1,7 +1,5 @@
 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"
@@ -14,6 +12,4 @@ class SectionData(Base):
     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]
+    section_id = Column(String(100), nullable=False, comment="断面id", index=True)