diff --git a/tests/milvus_python_test/test_delete_vectors.py b/tests/milvus_python_test/test_delete_vectors.py
index 4e1f7d101d255ca6771f8974bd089d1290b67489..57ab76770ffd8c7029bc30a305c3d40c42c6c046 100644
--- a/tests/milvus_python_test/test_delete_vectors.py
+++ b/tests/milvus_python_test/test_delete_vectors.py
@@ -1,425 +1,425 @@
-import time
-import random
-import pdb
-import logging
-import threading
-from builtins import Exception
-from multiprocessing import Pool, Process
-import pytest
-
-from milvus import Milvus, IndexType
-from utils import *
-
-
-dim = 128
-index_file_size = 10
-table_id = "test_delete"
-DELETE_TIMEOUT = 60
-vectors = gen_vectors(100, dim)
-
-class TestDeleteVectorsBase:
-    """
-    generate invalid query range params
-    """
-    @pytest.fixture(
-        scope="function",
-        params=[
-            (get_current_day(), get_current_day()),
-            (get_last_day(1), get_last_day(1)),
-            (get_next_day(1), get_next_day(1))
-        ]
-    )
-    def get_invalid_range(self, request):
-        yield request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_invalid_range(self, connect, table, get_invalid_range):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with invalid date params
-        expected: return code 0
-        '''
-        start_date = get_invalid_range[0]
-        end_date = get_invalid_range[1]
-        status, ids = connect.add_vectors(table, vectors)
-        status = connect.delete_vectors_by_range(table, start_date, end_date)
-        assert not status.OK()
-
-    """
-    generate valid query range params, no search result
-    """
-    @pytest.fixture(
-        scope="function",
-        params=[
-            (get_last_day(2), get_last_day(1)),
-            (get_last_day(2), get_current_day()),
-            (get_next_day(1), get_next_day(2))
-        ]
-    )
-    def get_valid_range_no_result(self, request):
-        yield request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range_no_result(self, connect, table, get_valid_range_no_result):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params
-        expected: return code 0
-        '''
-        start_date = get_valid_range_no_result[0]
-        end_date = get_valid_range_no_result[1]
-        status, ids = connect.add_vectors(table, vectors)
-        time.sleep(2)
-        status = connect.delete_vectors_by_range(table, start_date, end_date)
-        assert status.OK()
-        status, result = connect.get_table_row_count(table)
-        assert result == 100
-
-    """
-    generate valid query range params, no search result
-    """
-    @pytest.fixture(
-        scope="function",
-        params=[
-            (get_last_day(2), get_next_day(2)),
-            (get_current_day(), get_next_day(2)),
-        ]
-    )
-    def get_valid_range(self, request):
-        yield request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range(self, connect, table, get_valid_range):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params
-        expected: return code 0
-        '''
-        start_date = get_valid_range[0]
-        end_date = get_valid_range[1]
-        status, ids = connect.add_vectors(table, vectors)
-        time.sleep(2)
-        status = connect.delete_vectors_by_range(table, start_date, end_date)
-        assert status.OK()
-        status, result = connect.get_table_row_count(table)
-        assert result == 0
-
-    @pytest.fixture(
-        scope="function",
-        params=gen_index_params()
-    )
-    def get_index_params(self, request, args):
-        if "internal" not in args:
-            if request.param["index_type"] == IndexType.IVF_SQ8H:
-                pytest.skip("sq8h not support in open source")
-        return request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range_index_created(self, connect, table, get_index_params):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params
-        expected: return code 0
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        index_params = get_index_params
-        logging.getLogger().info(index_params)
-        status, ids = connect.add_vectors(table, vectors)
-        status = connect.create_index(table, index_params)
-        logging.getLogger().info(status)
-        logging.getLogger().info("Start delete vectors by range: %s:%s" % (start_date, end_date))
-        status = connect.delete_vectors_by_range(table, start_date, end_date)
-        assert status.OK()
-        status, result = connect.get_table_row_count(table)
-        assert result == 0
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_no_data(self, connect, table):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params, and no data in db
-        expected: return code 0
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        # status, ids = connect.add_vectors(table, vectors)
-        status = connect.delete_vectors_by_range(table, start_date, end_date)
-        assert status.OK()
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_table_not_existed(self, connect):
-        '''
-        target: test delete vectors, table not existed in db
-        method: call `delete_vectors_by_range`, with table not existed
-        expected: return code not 0
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        table_name = gen_unique_str("not_existed_table")
-        status = connect.delete_vectors_by_range(table_name, start_date, end_date)
-        assert not status.OK()
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_table_None(self, connect, table):
-        '''
-        target: test delete vectors, table set Nope
-        method: call `delete_vectors_by_range`, with table value is None
-        expected: return code not 0
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        table_name = None
-        with pytest.raises(Exception) as e:
-            status = connect.delete_vectors_by_range(table_name, start_date, end_date)
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range_multi_tables(self, connect, get_valid_range):
-        '''
-        target: test delete vectors is correct or not with multiple tables of L2
-        method: create 50 tables and add vectors into them , then delete vectors
-                in valid range
-        expected: return code 0
-        '''
-        nq = 100
-        vectors = gen_vectors(nq, dim)
-        table_list = []
-        for i in range(50):
-            table_name = gen_unique_str('test_delete_vectors_valid_range_multi_tables')
-            table_list.append(table_name)
-            param = {'table_name': table_name,
-                     'dimension': dim,
-                     'index_file_size': index_file_size,
-                     'metric_type': MetricType.L2}
-            connect.create_table(param)
-            status, ids = connect.add_vectors(table_name=table_name, records=vectors)
-        time.sleep(2)
-        start_date = get_valid_range[0]
-        end_date = get_valid_range[1]
-        for i in range(50):
-            status = connect.delete_vectors_by_range(table_list[i], start_date, end_date)
-            assert status.OK()
-            status, result = connect.get_table_row_count(table_list[i])
-            assert result == 0
-
-
-class TestDeleteVectorsIP:
-    """
-    generate invalid query range params
-    """
-    @pytest.fixture(
-        scope="function",
-        params=[
-            (get_current_day(), get_current_day()),
-            (get_last_day(1), get_last_day(1)),
-            (get_next_day(1), get_next_day(1))
-        ]
-    )
-    def get_invalid_range(self, request):
-        yield request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_invalid_range(self, connect, ip_table, get_invalid_range):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with invalid date params
-        expected: return code 0
-        '''
-        start_date = get_invalid_range[0]
-        end_date = get_invalid_range[1]
-        status, ids = connect.add_vectors(ip_table, vectors)
-        status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
-        assert not status.OK()
-
-    """
-    generate valid query range params, no search result
-    """
-    @pytest.fixture(
-        scope="function",
-        params=[
-            (get_last_day(2), get_last_day(1)),
-            (get_last_day(2), get_current_day()),
-            (get_next_day(1), get_next_day(2))
-        ]
-    )
-    def get_valid_range_no_result(self, request):
-        yield request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range_no_result(self, connect, ip_table, get_valid_range_no_result):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params
-        expected: return code 0
-        '''
-        start_date = get_valid_range_no_result[0]
-        end_date = get_valid_range_no_result[1]
-        status, ids = connect.add_vectors(ip_table, vectors)
-        time.sleep(2)
-        status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
-        assert status.OK()
-        status, result = connect.get_table_row_count(ip_table)
-        assert result == 100
-
-    """
-    generate valid query range params, no search result
-    """
-    @pytest.fixture(
-        scope="function",
-        params=[
-            (get_last_day(2), get_next_day(2)),
-            (get_current_day(), get_next_day(2)),
-        ]
-    )
-    def get_valid_range(self, request):
-        yield request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range(self, connect, ip_table, get_valid_range):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params
-        expected: return code 0
-        '''
-        start_date = get_valid_range[0]
-        end_date = get_valid_range[1]
-        status, ids = connect.add_vectors(ip_table, vectors)
-        time.sleep(2)
-        status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
-        assert status.OK()
-        status, result = connect.get_table_row_count(ip_table)
-        assert result == 0
-
-    @pytest.fixture(
-        scope="function",
-        params=gen_index_params()
-    )
-    def get_index_params(self, request, args):
-        if "internal" not in args:
-            if request.param["index_type"] == IndexType.IVF_SQ8H:
-                pytest.skip("sq8h not support in open source")
-        return request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range_index_created(self, connect, ip_table, get_index_params):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params
-        expected: return code 0
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        index_params = get_index_params
-        logging.getLogger().info(index_params)
-        status, ids = connect.add_vectors(ip_table, vectors)
-        status = connect.create_index(ip_table, index_params)
-        logging.getLogger().info(status)
-        logging.getLogger().info("Start delete vectors by range: %s:%s" % (start_date, end_date))
-        status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
-        assert status.OK()
-        status, result = connect.get_table_row_count(ip_table)
-        assert result == 0
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_no_data(self, connect, ip_table):
-        '''
-        target: test delete vectors, no index created
-        method: call `delete_vectors_by_range`, with valid date params, and no data in db
-        expected: return code 0
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        # status, ids = connect.add_vectors(table, vectors)
-        status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
-        assert status.OK()
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_table_None(self, connect, ip_table):
-        '''
-        target: test delete vectors, table set Nope
-        method: call `delete_vectors_by_range`, with table value is None
-        expected: return code not 0
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        table_name = None
-        with pytest.raises(Exception) as e:
-            status = connect.delete_vectors_by_range(table_name, start_date, end_date)
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_valid_range_multi_tables(self, connect, get_valid_range):
-        '''
-        target: test delete vectors is correct or not with multiple tables of IP
-        method: create 50 tables and add vectors into them , then delete vectors
-                in valid range
-        expected: return code 0
-        '''
-        nq = 100
-        vectors = gen_vectors(nq, dim)
-        table_list = []
-        for i in range(50):
-            table_name = gen_unique_str('test_delete_vectors_valid_range_multi_tables')
-            table_list.append(table_name)
-            param = {'table_name': table_name,
-                     'dimension': dim,
-                     'index_file_size': index_file_size,
-                     'metric_type': MetricType.IP}
-            connect.create_table(param)
-            status, ids = connect.add_vectors(table_name=table_name, records=vectors)
-        time.sleep(2)
-        start_date = get_valid_range[0]
-        end_date = get_valid_range[1]
-        for i in range(50):
-            status = connect.delete_vectors_by_range(table_list[i], start_date, end_date)
-            assert status.OK()
-            status, result = connect.get_table_row_count(table_list[i])
-            assert result == 0
-
-class TestDeleteVectorsParamsInvalid:
-
-    """
-    Test search table with invalid table names
-    """
-    @pytest.fixture(
-        scope="function",
-        params=gen_invalid_table_names()
-    )
-    def get_table_name(self, request):
-        yield request.param
-
-    @pytest.mark.level(2)
-    def test_delete_vectors_table_invalid_name(self, connect, get_table_name):
-        '''
-        '''
-        start_date = get_current_day()
-        end_date = get_next_day(2)
-        table_name = get_table_name
-        logging.getLogger().info(table_name)
-        top_k = 1
-        nprobe = 1 
-        status = connect.delete_vectors_by_range(table_name, start_date, end_date)
-        assert not status.OK()
-
-    """
-    Test search table with invalid query ranges
-    """
-    @pytest.fixture(
-        scope="function",
-        params=gen_invalid_query_ranges()
-    )
-    def get_query_ranges(self, request):
-        yield request.param
-
-    @pytest.mark.timeout(DELETE_TIMEOUT)
-    def test_delete_vectors_range_invalid(self, connect, table, get_query_ranges):
-        '''
-        target: test search fuction, with the wrong query_range
-        method: search with query_range
-        expected: raise an error, and the connection is normal
-        '''
-        start_date = get_query_ranges[0][0]
-        end_date = get_query_ranges[0][1]
-        status, ids = connect.add_vectors(table, vectors)
-        logging.getLogger().info(get_query_ranges)
-        with pytest.raises(Exception) as e:
-            status = connect.delete_vectors_by_range(table, start_date, end_date)
\ No newline at end of file
+# import time
+# import random
+# import pdb
+# import logging
+# import threading
+# from builtins import Exception
+# from multiprocessing import Pool, Process
+# import pytest
+
+# from milvus import Milvus, IndexType
+# from utils import *
+
+
+# dim = 128
+# index_file_size = 10
+# table_id = "test_delete"
+# DELETE_TIMEOUT = 60
+# vectors = gen_vectors(100, dim)
+
+# class TestDeleteVectorsBase:
+#     """
+#     generate invalid query range params
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=[
+#             (get_current_day(), get_current_day()),
+#             (get_last_day(1), get_last_day(1)),
+#             (get_next_day(1), get_next_day(1))
+#         ]
+#     )
+#     def get_invalid_range(self, request):
+#         yield request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_invalid_range(self, connect, table, get_invalid_range):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with invalid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_invalid_range[0]
+#         end_date = get_invalid_range[1]
+#         status, ids = connect.add_vectors(table, vectors)
+#         status = connect.delete_vectors_by_range(table, start_date, end_date)
+#         assert not status.OK()
+
+#     """
+#     generate valid query range params, no search result
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=[
+#             (get_last_day(2), get_last_day(1)),
+#             (get_last_day(2), get_current_day()),
+#             (get_next_day(1), get_next_day(2))
+#         ]
+#     )
+#     def get_valid_range_no_result(self, request):
+#         yield request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range_no_result(self, connect, table, get_valid_range_no_result):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_valid_range_no_result[0]
+#         end_date = get_valid_range_no_result[1]
+#         status, ids = connect.add_vectors(table, vectors)
+#         time.sleep(2)
+#         status = connect.delete_vectors_by_range(table, start_date, end_date)
+#         assert status.OK()
+#         status, result = connect.get_table_row_count(table)
+#         assert result == 100
+
+#     """
+#     generate valid query range params, no search result
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=[
+#             (get_last_day(2), get_next_day(2)),
+#             (get_current_day(), get_next_day(2)),
+#         ]
+#     )
+#     def get_valid_range(self, request):
+#         yield request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range(self, connect, table, get_valid_range):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_valid_range[0]
+#         end_date = get_valid_range[1]
+#         status, ids = connect.add_vectors(table, vectors)
+#         time.sleep(2)
+#         status = connect.delete_vectors_by_range(table, start_date, end_date)
+#         assert status.OK()
+#         status, result = connect.get_table_row_count(table)
+#         assert result == 0
+
+#     @pytest.fixture(
+#         scope="function",
+#         params=gen_index_params()
+#     )
+#     def get_index_params(self, request, args):
+#         if "internal" not in args:
+#             if request.param["index_type"] == IndexType.IVF_SQ8H:
+#                 pytest.skip("sq8h not support in open source")
+#         return request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range_index_created(self, connect, table, get_index_params):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         index_params = get_index_params
+#         logging.getLogger().info(index_params)
+#         status, ids = connect.add_vectors(table, vectors)
+#         status = connect.create_index(table, index_params)
+#         logging.getLogger().info(status)
+#         logging.getLogger().info("Start delete vectors by range: %s:%s" % (start_date, end_date))
+#         status = connect.delete_vectors_by_range(table, start_date, end_date)
+#         assert status.OK()
+#         status, result = connect.get_table_row_count(table)
+#         assert result == 0
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_no_data(self, connect, table):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params, and no data in db
+#         expected: return code 0
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         # status, ids = connect.add_vectors(table, vectors)
+#         status = connect.delete_vectors_by_range(table, start_date, end_date)
+#         assert status.OK()
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_table_not_existed(self, connect):
+#         '''
+#         target: test delete vectors, table not existed in db
+#         method: call `delete_vectors_by_range`, with table not existed
+#         expected: return code not 0
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         table_name = gen_unique_str("not_existed_table")
+#         status = connect.delete_vectors_by_range(table_name, start_date, end_date)
+#         assert not status.OK()
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_table_None(self, connect, table):
+#         '''
+#         target: test delete vectors, table set Nope
+#         method: call `delete_vectors_by_range`, with table value is None
+#         expected: return code not 0
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         table_name = None
+#         with pytest.raises(Exception) as e:
+#             status = connect.delete_vectors_by_range(table_name, start_date, end_date)
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range_multi_tables(self, connect, get_valid_range):
+#         '''
+#         target: test delete vectors is correct or not with multiple tables of L2
+#         method: create 50 tables and add vectors into them , then delete vectors
+#                 in valid range
+#         expected: return code 0
+#         '''
+#         nq = 100
+#         vectors = gen_vectors(nq, dim)
+#         table_list = []
+#         for i in range(50):
+#             table_name = gen_unique_str('test_delete_vectors_valid_range_multi_tables')
+#             table_list.append(table_name)
+#             param = {'table_name': table_name,
+#                      'dimension': dim,
+#                      'index_file_size': index_file_size,
+#                      'metric_type': MetricType.L2}
+#             connect.create_table(param)
+#             status, ids = connect.add_vectors(table_name=table_name, records=vectors)
+#         time.sleep(2)
+#         start_date = get_valid_range[0]
+#         end_date = get_valid_range[1]
+#         for i in range(50):
+#             status = connect.delete_vectors_by_range(table_list[i], start_date, end_date)
+#             assert status.OK()
+#             status, result = connect.get_table_row_count(table_list[i])
+#             assert result == 0
+
+
+# class TestDeleteVectorsIP:
+#     """
+#     generate invalid query range params
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=[
+#             (get_current_day(), get_current_day()),
+#             (get_last_day(1), get_last_day(1)),
+#             (get_next_day(1), get_next_day(1))
+#         ]
+#     )
+#     def get_invalid_range(self, request):
+#         yield request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_invalid_range(self, connect, ip_table, get_invalid_range):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with invalid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_invalid_range[0]
+#         end_date = get_invalid_range[1]
+#         status, ids = connect.add_vectors(ip_table, vectors)
+#         status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
+#         assert not status.OK()
+
+#     """
+#     generate valid query range params, no search result
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=[
+#             (get_last_day(2), get_last_day(1)),
+#             (get_last_day(2), get_current_day()),
+#             (get_next_day(1), get_next_day(2))
+#         ]
+#     )
+#     def get_valid_range_no_result(self, request):
+#         yield request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range_no_result(self, connect, ip_table, get_valid_range_no_result):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_valid_range_no_result[0]
+#         end_date = get_valid_range_no_result[1]
+#         status, ids = connect.add_vectors(ip_table, vectors)
+#         time.sleep(2)
+#         status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
+#         assert status.OK()
+#         status, result = connect.get_table_row_count(ip_table)
+#         assert result == 100
+
+#     """
+#     generate valid query range params, no search result
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=[
+#             (get_last_day(2), get_next_day(2)),
+#             (get_current_day(), get_next_day(2)),
+#         ]
+#     )
+#     def get_valid_range(self, request):
+#         yield request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range(self, connect, ip_table, get_valid_range):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_valid_range[0]
+#         end_date = get_valid_range[1]
+#         status, ids = connect.add_vectors(ip_table, vectors)
+#         time.sleep(2)
+#         status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
+#         assert status.OK()
+#         status, result = connect.get_table_row_count(ip_table)
+#         assert result == 0
+
+#     @pytest.fixture(
+#         scope="function",
+#         params=gen_index_params()
+#     )
+#     def get_index_params(self, request, args):
+#         if "internal" not in args:
+#             if request.param["index_type"] == IndexType.IVF_SQ8H:
+#                 pytest.skip("sq8h not support in open source")
+#         return request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range_index_created(self, connect, ip_table, get_index_params):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params
+#         expected: return code 0
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         index_params = get_index_params
+#         logging.getLogger().info(index_params)
+#         status, ids = connect.add_vectors(ip_table, vectors)
+#         status = connect.create_index(ip_table, index_params)
+#         logging.getLogger().info(status)
+#         logging.getLogger().info("Start delete vectors by range: %s:%s" % (start_date, end_date))
+#         status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
+#         assert status.OK()
+#         status, result = connect.get_table_row_count(ip_table)
+#         assert result == 0
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_no_data(self, connect, ip_table):
+#         '''
+#         target: test delete vectors, no index created
+#         method: call `delete_vectors_by_range`, with valid date params, and no data in db
+#         expected: return code 0
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         # status, ids = connect.add_vectors(table, vectors)
+#         status = connect.delete_vectors_by_range(ip_table, start_date, end_date)
+#         assert status.OK()
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_table_None(self, connect, ip_table):
+#         '''
+#         target: test delete vectors, table set Nope
+#         method: call `delete_vectors_by_range`, with table value is None
+#         expected: return code not 0
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         table_name = None
+#         with pytest.raises(Exception) as e:
+#             status = connect.delete_vectors_by_range(table_name, start_date, end_date)
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_valid_range_multi_tables(self, connect, get_valid_range):
+#         '''
+#         target: test delete vectors is correct or not with multiple tables of IP
+#         method: create 50 tables and add vectors into them , then delete vectors
+#                 in valid range
+#         expected: return code 0
+#         '''
+#         nq = 100
+#         vectors = gen_vectors(nq, dim)
+#         table_list = []
+#         for i in range(50):
+#             table_name = gen_unique_str('test_delete_vectors_valid_range_multi_tables')
+#             table_list.append(table_name)
+#             param = {'table_name': table_name,
+#                      'dimension': dim,
+#                      'index_file_size': index_file_size,
+#                      'metric_type': MetricType.IP}
+#             connect.create_table(param)
+#             status, ids = connect.add_vectors(table_name=table_name, records=vectors)
+#         time.sleep(2)
+#         start_date = get_valid_range[0]
+#         end_date = get_valid_range[1]
+#         for i in range(50):
+#             status = connect.delete_vectors_by_range(table_list[i], start_date, end_date)
+#             assert status.OK()
+#             status, result = connect.get_table_row_count(table_list[i])
+#             assert result == 0
+
+# class TestDeleteVectorsParamsInvalid:
+
+#     """
+#     Test search table with invalid table names
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=gen_invalid_table_names()
+#     )
+#     def get_table_name(self, request):
+#         yield request.param
+
+#     @pytest.mark.level(2)
+#     def test_delete_vectors_table_invalid_name(self, connect, get_table_name):
+#         '''
+#         '''
+#         start_date = get_current_day()
+#         end_date = get_next_day(2)
+#         table_name = get_table_name
+#         logging.getLogger().info(table_name)
+#         top_k = 1
+#         nprobe = 1 
+#         status = connect.delete_vectors_by_range(table_name, start_date, end_date)
+#         assert not status.OK()
+
+#     """
+#     Test search table with invalid query ranges
+#     """
+#     @pytest.fixture(
+#         scope="function",
+#         params=gen_invalid_query_ranges()
+#     )
+#     def get_query_ranges(self, request):
+#         yield request.param
+
+#     @pytest.mark.timeout(DELETE_TIMEOUT)
+#     def test_delete_vectors_range_invalid(self, connect, table, get_query_ranges):
+#         '''
+#         target: test search fuction, with the wrong query_range
+#         method: search with query_range
+#         expected: raise an error, and the connection is normal
+#         '''
+#         start_date = get_query_ranges[0][0]
+#         end_date = get_query_ranges[0][1]
+#         status, ids = connect.add_vectors(table, vectors)
+#         logging.getLogger().info(get_query_ranges)
+#         with pytest.raises(Exception) as e:
+#             status = connect.delete_vectors_by_range(table, start_date, end_date)
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