docstr: target: test delete and compact segment, and search
  method: 1.create collection and insert
          2.delete part entities
          3.compact
          4.load and search
  expected: Verify search result
docstr_tok: ["target",":","test","delete","and","compact","segment",",","and","search","method",":","1.create","collection","and","insert","2.delete","part","entities","3.compact","4.load","and","search","expected",":","Verify","search","result"]
code: def test_compact_delete_and_search(self):
      """
      target: test delete and compact segment, and search
      method: 1.create collection and insert
              2.delete part entities
              3.compact
              4.load and search
      expected: Verify search result
      """
      collection_w = self.init_collection_wrap(
          cf.gen_unique_str(prefix), shards_num=1
      )
      df = cf.gen_default_dataframe_data()
      insert_res, _ = collection_w.insert(df)
  
      expr = f"{ct.default_int64_field_name} in {insert_res.primary_keys[:ct.default_nb // 2]}"
      collection_w.delete(expr)
      assert collection_w.num_entities == ct.default_nb
  
      sleep(ct.compact_retention_duration + 1)
      collection_w.compact()
      collection_w.wait_for_compaction_completed()
      collection_w.get_compaction_plans(
          check_task=CheckTasks.check_delete_compact
      )
  
      # search
      collection_w.load()
      search_res, _ = collection_w.search(
          cf.gen_vectors(ct.default_nq, ct.default_dim),
          ct.default_float_vec_field_name,
          ct.default_search_params,
          ct.default_limit,
          check_task=CheckTasks.check_search_results,
          check_items={
              "nq": ct.default_nq,
              "ids": insert_res.primary_keys[ct.default_nb // 2 :],
              "limit": ct.default_limit,
          },
      )
      collection_w.query(
          "int64 in [0]", check_task=CheckTasks.check_query_empty
      )
  
imports: import threading
  from time import time, sleep
  import pytest
  from pymilvus.grpc_gen.common_pb2 import SegmentState
  from pymilvus.exceptions import MilvusException
  from base.client_base import TestcaseBase
  from common import common_func
  from common import common_type
  from common.common_type import CaseLabel, CheckTasks
  from utils.util_log import test_log
label_desc: Use image node_id 7 for calling the TestCompactionOperation obj's underlying member method code with example usage: obj.test_compact_delete_and_search() without return types