Adds the option to change the DB with retrieve_vector_index_info and retrieve_fulltext_index_info (#356)

Author: alexthomas93

src/neo4j_graphrag/indexes.py

@@ -608,7 +608,11 @@ def _sort_by_index_name(
 
 
 def retrieve_vector_index_info(
-    driver: neo4j.Driver, index_name: str, label_or_type: str, embedding_property: str
+    driver: neo4j.Driver,
+    index_name: str,
+    label_or_type: str,
+    embedding_property: str,
+    neo4j_database: Optional[str] = None,
 ) -> Optional[neo4j.Record]:
     """
     Check if a vector index exists in a Neo4j database and return its
@@ -621,6 +625,9 @@ def retrieve_vector_index_info(
             of the index.
         embedding_property (str): The name of the property containing the
             embeddings.
+        neo4j_database (Optional[str]): The name of the Neo4j database.
+            If not provided, this defaults to the server's default database ("neo4j" by default)
+            (`see reference to documentation <https://neo4j.com/docs/operations-manual/current/database-administration/#manage-databases-default>`_).
 
     Returns:
         Optional[Dict[str, Any]]:
@@ -640,6 +647,7 @@ def retrieve_vector_index_info(
             "label_or_type": label_or_type,
             "embedding_property": embedding_property,
         },
+        database_=neo4j_database,
     )
     index_information = _sort_by_index_name(result.records, index_name)
     if len(index_information) > 0:
@@ -653,6 +661,7 @@ def retrieve_fulltext_index_info(
     index_name: str,
     label_or_type: str,
     text_properties: List[str] = [],
+    neo4j_database: Optional[str] = None,
 ) -> Optional[neo4j.Record]:
     """
     Check if a full text index exists in a Neo4j database and return its
@@ -664,6 +673,9 @@ def retrieve_fulltext_index_info(
         label_or_type (str): The label (for nodes) or type (for relationships)
             of the index.
         text_properties (List[str]): The names of the text properties indexed.
+        neo4j_database (Optional[str]): The name of the Neo4j database.
+            If not provided, this defaults to the server's default database ("neo4j" by default)
+            (`see reference to documentation <https://neo4j.com/docs/operations-manual/current/database-administration/#manage-databases-default>`_).
 
     Returns:
         Optional[Dict[str, Any]]:
@@ -683,6 +695,7 @@ def retrieve_fulltext_index_info(
             "label_or_type": label_or_type,
             "text_properties": text_properties,
         },
+        database_=neo4j_database,
     )
     index_information = _sort_by_index_name(result.records, index_name)
     if len(index_information) > 0: