From 6d1fa11813daeece8dce68543b77591dd15381fb Mon Sep 17 00:00:00 2001
From: Windpicker-owo <3431391539@qq.com>
Date: Sat, 1 Nov 2025 16:30:05 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20QueryBuilder=E9=A2=84=E5=8A=A0=E8=BD=BD?=
 =?UTF-8?q?=E5=88=97=E9=81=BF=E5=85=8Ddetached=E5=AF=B9=E8=B1=A1lazy=20loa?=
 =?UTF-8?q?ding?=
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- 在QueryBuilder.first()和all()中预加载所有列
- 防止在session外访问属性导致greenlet_spawn错误
- 与CRUD层修复保持一致的模式
---
 src/common/database/api/query.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/common/database/api/query.py b/src/common/database/api/query.py
index 3c5229fd9..e07935646 100644
--- a/src/common/database/api/query.py
+++ b/src/common/database/api/query.py
@@ -204,6 +204,14 @@ class QueryBuilder(Generic[T]):
             result = await session.execute(self._stmt)
             instances = list(result.scalars().all())
             
+            # 预加载所有列以避免detached对象的lazy loading问题
+            for instance in instances:
+                for column in self.model.__table__.columns:
+                    try:
+                        getattr(instance, column.name)
+                    except Exception:
+                        pass
+            
             # 写入缓存
             if self._use_cache:
                 cache = await get_cache()
@@ -232,6 +240,14 @@ class QueryBuilder(Generic[T]):
             result = await session.execute(self._stmt)
             instance = result.scalars().first()
             
+            # 预加载所有列以避免detached对象的lazy loading问题
+            if instance is not None:
+                for column in self.model.__table__.columns:
+                    try:
+                        getattr(instance, column.name)
+                    except Exception:
+                        pass
+            
             # 写入缓存
             if instance is not None and self._use_cache:
                 cache = await get_cache()