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Fix get single node subgrap problem

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- Replaced MATCH with OPTIONAL MATCH
- Add memory-bank directory for Cline to .gitignore
This commit is contained in:
yangdx
2025-03-13 02:14:02 +08:00
parent f610174e61
commit 5b70d34822
2 changed files with 8 additions and 2 deletions
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6
.gitignore vendored
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@@ -64,3 +64,9 @@ gui/
# unit-test files
test_*
# Cline files
memory-bank/
# Cline files
memory-bank/

4
lightrag/kg/neo4j_impl.py
View File

@@ -661,7 +661,7 @@ class Neo4JStorage(BaseGraphStorage):
WITH collect({node: n}) AS filtered_nodes
UNWIND filtered_nodes AS node_info
WITH collect(node_info.node) AS kept_nodes, filtered_nodes
MATCH (a)-[r]-(b)
OPTIONAL MATCH (a)-[r]-(b)
WHERE a IN kept_nodes AND b IN kept_nodes
RETURN filtered_nodes AS node_info,
collect(DISTINCT r) AS relationships
@@ -704,7 +704,7 @@ class Neo4JStorage(BaseGraphStorage):
WITH collect({node: node}) AS filtered_nodes
UNWIND filtered_nodes AS node_info
WITH collect(node_info.node) AS kept_nodes, filtered_nodes
MATCH (a)-[r]-(b)
OPTIONAL MATCH (a)-[r]-(b)
WHERE a IN kept_nodes AND b IN kept_nodes
RETURN filtered_nodes AS node_info,
collect(DISTINCT r) AS relationships