Allow querying AzureAISearch without non-null metadata field (run-llama#13531)

Author: chrispangg

llama-index-integrations/vector_stores/llama-index-vector-stores-azureaisearch/llama_index/vector_stores/azureaisearch/base.py

@@ -51,7 +51,8 @@ class IndexManagement(int, enum.Enum):
 
 
 class AzureAISearchVectorStore(BasePydanticVectorStore):
-    """Azure AI Search vector store.
+    """
+    Azure AI Search vector store.
 
     Examples:
         `pip install llama-index-vector-stores-azureaisearch`
@@ -495,7 +496,8 @@ def add(
         nodes: List[BaseNode],
         **add_kwargs: Any,
     ) -> List[str]:
-        """Add nodes to index associated with the configured search client.
+        """
+        Add nodes to index associated with the configured search client.
 
         Args:
             nodes: List[BaseNode]: nodes with embeddings
@@ -678,7 +680,8 @@ def _create_query_result(
         score_result = []
         for result in results:
             node_id = result[self._field_mapping["id"]]
-            metadata = json.loads(result[self._field_mapping["metadata"]])
+            metadata_str = result[self._field_mapping["metadata"]]
+            metadata = json.loads(metadata_str) if metadata_str else {}
             score = result["@search.score"]
             chunk = result[self._field_mapping["chunk"]]
 
@@ -795,7 +798,8 @@ def _create_query_result(
         score_result = []
         for result in results:
             node_id = result[self._field_mapping["id"]]
-            metadata = json.loads(result[self._field_mapping["metadata"]])
+            metadata_str = result[self._field_mapping["metadata"]]
+            metadata = json.loads(metadata_str) if metadata_str else {}
             # use reranker_score instead of score
             score = result["@search.reranker_score"]
             chunk = result[self._field_mapping["chunk"]]

llama-index-integrations/vector_stores/llama-index-vector-stores-azureaisearch/pyproject.toml

@@ -28,7 +28,7 @@ exclude = ["**/BUILD"]
 license = "MIT"
 name = "llama-index-vector-stores-azureaisearch"
 readme = "README.md"
-version = "0.1.6"
+version = "0.1.7"
 
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"