fix: batch query assets to resolve N+1 in _build_asset_url_map

- Add find_by_ids() to SQLAlchemyAssetRepository (single SQL IN query) - Replace per-id find_by_id loop with single batch call - Fixes AI Code Review blocking performance issue in PR #1404
2026-08-17 16:28:49 +08:00
parent 34bd9372ce
commit 9e97473eec
2 changed files with 16 additions and 1 deletions
@@ -101,6 +101,13 @@ class SQLAlchemyAssetRepository:
            return None
        return self._to_domain(model)

+    def find_by_ids(self, asset_ids: list[str]) -> list[Asset]:
+        """批量查询素材（单次 SQL IN 查询，避免 N+1）。"""
+        if not asset_ids:
+            return []
+        models = self.session.query(AssetModel).filter(AssetModel.id.in_(asset_ids)).all()
+        return [self._to_domain(m) for m in models]
+
    def get(self, asset_id: str) -> Asset | None:
        return self.find_by_id(asset_id)