test: add part of test cases for add field

Signed-off-by: binbin lv <[email protected]>

Author: binbinlv

tests/python_client/base/client_v2_base.py

@@ -1100,4 +1100,15 @@ def transfer_replica(self, client, source_group, target_group, collection_name,
                                        source_group=source_group, target_group=target_group,
                                        collection_name=collection_name, num_replicas=num_replicas,
                                        **kwargs).run()
+        return res, check_result
+
+    @trace()
+    def add_collection_field(self, client, collection_name, field_name, data_type, desc="", timeout=None, check_task=None, check_items=None, **kwargs):
+        timeout = TIMEOUT if timeout is None else timeout
+        kwargs.update({"timeout": timeout})
+
+        func_name = sys._getframe().f_code.co_name
+        res, check = api_request([client.add_collection_field, collection_name, field_name, data_type, desc], **kwargs)
+        check_result = ResponseChecker(res, func_name, check_task, check_items, check,
+                                       **kwargs).run()
         return res, check_result

tests/python_client/milvus_client/test_milvus_client_hybrid_search.py

@@ -367,6 +367,16 @@ def test_milvus_client_hybrid_search_default(self):
                                         "ids": insert_ids,
                                         "limit": default_limit,
                                         "pk_name": default_primary_key_field_name})
+        self.add_collection_field(client, collection_name, field_name="field_new", data_type=DataType.INT64,
+                                  nullable=True, max_length=100)
+        self.hybrid_search(client, collection_name, [sub_search1, sub_search2], ranker, limit=default_limit,
+                           filter="field_new is null",
+                           check_task=CheckTasks.check_search_results,
+                           check_items={"enable_milvus_client_api": True,
+                                        "nq": len(vectors_to_search),
+                                        "ids": insert_ids,
+                                        "limit": default_limit,
+                                        "pk_name": default_primary_key_field_name})
         self.drop_collection(client, collection_name)
 
     @pytest.mark.tags(CaseLabel.L1)