提交

backend/app/models.py

@@ -312,6 +312,20 @@ class WatchlistItem(Base):
     )
 
 
+class HoldingItem(Base):
+    """持仓股（手动标记进「持仓」分类的股票）。"""
+    __tablename__ = "holding_items"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    user_id: Mapped[int] = mapped_column(BigInteger, ForeignKey("users.id", ondelete="CASCADE"), index=True)
+    ts_code: Mapped[str] = mapped_column(String(12), index=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=_utcnow)
+
+    __table_args__ = (
+        UniqueConstraint("user_id", "ts_code", name="uq_holding_user_code"),
+    )
+
+
 class UserTrade(Base):
     """交割单导入的实盘成交流水（K线买卖点的数据源，价格为券商成交原始价、不复权）。"""
     __tablename__ = "user_trades"