small milvus bug fix (#12704)

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

@@ -148,7 +148,7 @@ class MilvusVectorStore(BasePydanticVectorStore):
             consistency_level=consistency_level,
             overwrite=overwrite,
             text_key=text_key,
-            output_fields=output_fields,
+            output_fields=output_fields or [],
             index_config=index_config if index_config else {},
             search_config=search_config if search_config else {},
         )
@@ -297,6 +297,8 @@ class MilvusVectorStore(BasePydanticVectorStore):
         # Limit output fields
         if query.output_fields is not None:
             output_fields = query.output_fields
+        elif len(self.output_fields) > 0:
+            output_fields = self.output_fields
 
         # Convert to string expression
         string_expr = ""

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

@@ -27,7 +27,7 @@ exclude = ["**/BUILD"]
 license = "MIT"
 name = "llama-index-vector-stores-milvus"
 readme = "README.md"
-version = "0.1.8"
+version = "0.1.9"
 
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"