fixing type issues

Author: davidsbatista

integrations/qdrant/src/haystack_integrations/document_stores/qdrant/document_store.py

@@ -542,6 +542,7 @@ def delete_all_documents(self, recreate_index: bool = False) -> None:
             sparse_vectors = info_json["config"]["params"]["sparse_vectors"]
             use_sparse_embeddings = sparse_vectors if sparse_vectors else False
 
+            # deal with the Optional sparse_idf
             hnsw_config = info_json["config"]["params"]["vectors"].get("config", {}).get("hnsw_config", None)
             sparse_idf = hnsw_config if use_sparse_embeddings and hnsw_config else False
 
@@ -550,30 +551,28 @@ def delete_all_documents(self, recreate_index: bool = False) -> None:
                 collection_name=self.index,
                 embedding_dim=info_json["config"]["params"]["vectors"]["size"],
                 recreate_collection=True,
-                similarity=info_json["config"]["params"]["vectors"]["distance"],
+                similarity=info_json["config"]["params"]["vectors"]["distance"].lower(),
                 use_sparse_embeddings=use_sparse_embeddings,
                 sparse_idf=sparse_idf,
                 on_disk=info_json["config"]["hnsw_config"]["on_disk"],
-                # ToDo: investigate
-                #   - CollectionInfo has payload_schema as Optional[Dict[str, PayloadSchemaType]],
-                #   - self._set_up_collection expects Optional[List[dict]]
-                payload_fields_to_index=None,
+                payload_fields_to_index=info_json["payload_schema"],
             )
 
-        try:
-            self._client.delete(
-                collection_name=self.index,
-                points_selector=rest.FilterSelector(
-                    filter=rest.Filter(
-                        must=[],
-                    )
-                ),
-                wait=self.wait_result_from_api,
-            )
-        except Exception as e:
-            logger.warning(
-                f"Error {e} when calling QdrantDocumentStore.delete_all_documents()",
-            )
+        else:
+            try:
+                self._client.delete(
+                    collection_name=self.index,
+                    points_selector=rest.FilterSelector(
+                        filter=rest.Filter(
+                            must=[],
+                        )
+                    ),
+                    wait=self.wait_result_from_api,
+                )
+            except Exception as e:
+                logger.warning(
+                    f"Error {e} when calling QdrantDocumentStore.delete_all_documents()",
+                )
 
     @classmethod
     def from_dict(cls, data: Dict[str, Any]) -> "QdrantDocumentStore":