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Fix create_time conflict in MongoKVStorage updates

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This commit is contained in:
yangdx 2025-07-03 22:58:08 +08:00
parent 04d793abbd
commit 3355a0ce95
1 changed files with 8 additions and 3 deletions
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11
lightrag/kg/mongo_impl.py
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@ -153,14 +153,19 @@ class MongoKVStorage(BaseKVStorage):
if "llm_cache_list" not in v:
v["llm_cache_list"] = []
v["_id"] = k # Use flattened key as _id
v["update_time"] = current_time # Always update update_time
# Create a copy of v for $set operation, excluding create_time to avoid conflicts
v_for_set = v.copy()
v_for_set["_id"] = k # Use flattened key as _id
v_for_set["update_time"] = current_time # Always update update_time
# Remove create_time from $set to avoid conflict with $setOnInsert
v_for_set.pop("create_time", None)
operations.append(
UpdateOne(
{"_id": k},
{
"$set": v, # Update all fields including update_time
"$set": v_for_set, # Update all fields except create_time
"$setOnInsert": {
"create_time": current_time
}, # Set create_time only on insert