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community: Apache AGE wrapper. Ensure Node Uniqueness by ID. #28759

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merged 3 commits into from
Dec 17, 2024
Merged

community: Apache AGE wrapper. Ensure Node Uniqueness by ID. #28759

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1f61071
Fix: Ensure Node Uniqueness by ID in Apache AGE Integration.
GMartin-dev Dec 17, 2024
6bc75ab
Merge remote-tracking branch 'origin/master' into age-graph-documents…
GMartin-dev Dec 17, 2024
6be4414
Fix typo.
GMartin-dev Dec 17, 2024
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6 changes: 4 additions & 2 deletions libs/community/langchain_community/graphs/age_graph.py
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Original file line number Diff line number Diff line change
Expand Up @@ -697,8 +697,9 @@ def add_graph_documents(
# query for inserting nodes
node_insert_query = (
"""
MERGE (n:`{label}` {properties})
"""
MERGE (n:`{label}` {{`id`: "{id}"}})
SET n = {properties}
"""
if not include_source
else """
MERGE (n:`{label}` {properties})
Expand Down Expand Up @@ -735,6 +736,7 @@ def add_graph_documents(
query = node_insert_query.format(
label=AGEGraph.clean_graph_labels(node.type),
properties=self._format_properties(node.properties),
id=node.id,
)

self.query(query)
Expand Down
6 changes: 5 additions & 1 deletion libs/community/tests/integration_tests/graphs/test_age_graph.py
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Expand Up @@ -10,7 +10,11 @@

test_data = [
GraphDocument(
nodes=[Node(id="foo", type="foo"), Node(id="bar", type="bar")],
nodes=[
Node(id="foo", type="foo"),
Node(id="bar", type="bar"),
Node(id="foo", type="foo", properties={"property_a": "a"}),
],
relationships=[
Relationship(
source=Node(id="foo", type="foo"),
Expand Down
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