class_docstr: Handles connection and execution of the Qdrant statements.
class_docstr_tok: ["Handles","connection","and","execution","of","the","Qdrant","statements","."]
docstr: Connect to a Qdrant instance.
  A Qdrant client can be instantiated with a REST, GRPC interface or in-memory for testing.
  To use the in-memory instance, specify the location argument as ':memory:'.
docstr_tok: ["Connect","to","a","Qdrant","instance",".","A","Qdrant","client","can","be","instantiated","with","a","REST",",","GRPC","interface","or","in-memory","for","testing",".","To","use","the","in-memory","instance",",","specify","the","location","argument","as","'",":","memory",":","'","."]
code: def connect(self, **kwargs):
      """Connect to a Qdrant instance.
      A Qdrant client can be instantiated with a REST, GRPC interface or in-memory for testing.
      To use the in-memory instance, specify the location argument as ':memory:'.
      """
      if self.is_connected:
          return self._client
  
      try:
          self._client = QdrantClient(**kwargs)
          self.is_connected = True
          return self._client
      except Exception as e:
          logger.error(f"Error instantiating a Qdrant client: {e}")
          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 2 for calling the QdrantHandler obj's underlying member method code with example usage: obj.connect() and returns: self, self