perf: 使用列表推导式替换循环 - 优化group_by性能

2025-11-01 17:07:11 +08:00
parent cabaf74194
commit a43ed42fb2
1 changed files with 5 additions and 4 deletions
--- a/src/common/database/api/query.py
+++ b/src/common/database/api/query.py
@@ -458,10 +458,11 @@ class AggregateQuery:
        if not fields:
            raise ValueError("至少需要一个分组字段")

-        group_columns = []
-        for field_name in fields:
-            if hasattr(self.model, field_name):
-                group_columns.append(getattr(self.model, field_name))
+        group_columns = [
+            getattr(self.model, field_name)
+            for field_name in fields
+            if hasattr(self.model, field_name)
+        ]

        if not group_columns:
            return []