class_docstr: Handles connection and execution of the Qdrant statements.
class_docstr_tok: ["Handles","connection","and","execution","of","the","Qdrant","statements","."]
docstr: Close the database connection.
docstr_tok: ["Close","the","database","connection","."]
code: def disconnect(self):
      """Close the database connection."""
      if self.is_connected:
          self._client.close()
          self._client = None
      self.is_connected = False
  
imports: from collections import OrderedDict
  from typing import Any, List, Optional
  from itertools import zip_longest
  from qdrant_client import QdrantClient, models
  import pandas
  from mindsdb.integrations.libs.response import HandlerResponse
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  from mindsdb.integrations.libs.response import RESPONSE_TYPE
  from mindsdb.integrations.libs.response import HandlerResponse
  from mindsdb.integrations.libs.response import HandlerStatusResponse
  from mindsdb.integrations.libs.vectordatabase_handler import FilterCondition, FilterOperator, TableField, VectorStoreHandler
  from mindsdb.utilities import log
label_desc: Use image node_id 3 for calling the QdrantHandler obj's underlying member method code with example usage: obj.disconnect() without return types