fix(db): remove deprecated fields

Author: amakerlife

migrations/versions/d8c20202f147_remove_deprecated_columns.py

@@ -0,0 +1,36 @@
+"""remove deprecated columns
+
+Revision ID: d8c20202f147
+Revises: a3f0f217940b
+Create Date: 2026-02-14 14:16:34.376539
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd8c20202f147'
+down_revision = 'a3f0f217940b'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('exams', schema=None) as batch_op:
+        batch_op.drop_constraint(batch_op.f('exams_school_id_fkey'), type_='foreignkey')
+        batch_op.drop_column('is_saved')
+        batch_op.drop_column('school_id')
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('exams', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('school_id', sa.VARCHAR(length=50), autoincrement=False, nullable=True))
+        batch_op.add_column(sa.Column('is_saved', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=False))
+        batch_op.create_foreign_key(batch_op.f('exams_school_id_fkey'), 'schools', ['school_id'], ['id'])
+
+    # ### end Alembic commands ###

src/ZhiXueLite/app/database/models.py

@@ -48,7 +48,6 @@ class School(BaseDBClass):
     teacher: Mapped["ZhiXueTeacherAccount"] = relationship("ZhiXueTeacherAccount", back_populates="school")
     student_accounts: Mapped[list["ZhiXueStudentAccount"]] = relationship(
         "ZhiXueStudentAccount", back_populates="school")
-    exams: Mapped[list["Exam"]] = relationship("Exam", back_populates="school")
 
 
 class ZhiXueTeacherAccount(BaseDBClass):
@@ -141,18 +140,10 @@ class Exam(BaseDBClass):
     id: Mapped[str] = mapped_column(String(50), primary_key=True, unique=True)
     name: Mapped[str] = mapped_column(String(255))
     created_at: Mapped[float] = mapped_column(Float)
-    # DEPRECATED: is_saved 已迁移到 ExamSchool.is_saved（支持联考后每个学校独立保存状态）
-    # 保留此字段用于向下兼容，数据库迁移时会删除
-    is_saved: Mapped[bool] = mapped_column(Boolean, default=False)
-    # DEPRECATED: school_id 已改为多对多关系（通过 ExamSchool 表）
-    # 保留此字段用于向下兼容，新代码应使用 schools 关系
-    school_id: Mapped[Optional[str]] = mapped_column(String(50), ForeignKey("schools.id"), nullable=True)
 
     user_exams: Mapped[list["UserExam"]] = relationship("UserExam", back_populates="exam")
     scores: Mapped[list["Score"]] = relationship("Score", back_populates="exam")
-    # DEPRECATED: 保留单一 school 关系用于向下兼容
-    school: Mapped[Optional["School"]] = relationship("School", foreign_keys=[school_id], back_populates="exams")
-    # 新的多对多关系
+    # 多对多关系
     schools: Mapped[list["ExamSchool"]] = relationship("ExamSchool", back_populates="exam")
 
     __table_args__ = (