fix: Fixes collection search limit in brute force triplet search (#814)

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## Description
<!-- Provide a clear description of the changes in this PR -->

## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin.

.github/workflows/test_memgraph.yml

@@ -1,9 +1,9 @@
 name: test | memgraph
 
-on:
+# on:
-  workflow_dispatch:
+#  workflow_dispatch:
-  pull_request:
+#  pull_request:
-    types: [labeled, synchronize]
+#    types: [labeled, synchronize]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}

cognee/infrastructure/databases/graph/memgraph/memgraph_adapter.py

@@ -16,6 +16,7 @@ from cognee.modules.storage.utils import JSONEncoder
 
 logger = get_logger("MemgraphAdapter", level=ERROR)
 
+
 class MemgraphAdapter(GraphDBInterface):
     def __init__(
         self,
@@ -536,7 +537,7 @@ class MemgraphAdapter(GraphDBInterface):
         return (nodes, edges)
 
     async def get_node_labels_string(self):
-        node_labels_query = f"""
+        node_labels_query = """
         MATCH (n)
         WITH DISTINCT labels(n) AS labelList
         UNWIND labelList AS label
@@ -552,7 +553,9 @@ class MemgraphAdapter(GraphDBInterface):
         return node_labels_str
 
     async def get_relationship_labels_string(self):
-        relationship_types_query = "MATCH ()-[r]->() RETURN collect(DISTINCT type(r)) AS relationships;"
+        relationship_types_query = (
+            "MATCH ()-[r]->() RETURN collect(DISTINCT type(r)) AS relationships;"
+        )
         relationship_types_result = await self.query(relationship_types_query)
         relationship_types = (
             relationship_types_result[0]["relationships"] if relationship_types_result else []

cognee/modules/retrieval/utils/brute_force_triplet_search.py

@@ -146,7 +146,7 @@ async def brute_force_search(
     async def search_in_collection(collection_name: str):
         try:
             return await vector_engine.search(
-                collection_name=collection_name, query_text=query, limit=top_k
+                collection_name=collection_name, query_text=query, limit=0
             )
         except CollectionNotFoundError:
             return []