class_docstr: InfluxDB handler implementation
class_docstr_tok: ["InfluxDB","handler","implementation"]
docstr: Set up the connection required by the handler.
  Returns
  -------
  None
  
  Raises Expection if ping check fails
docstr_tok: ["Set","up","the","connection","required","by","the","handler",".","Returns","--","--","--","-","None","Raises","Expection","if","ping","check","fails"]
code: def connect(self):
      """Set up the connection required by the handler.
      Returns
      -------
      None
  
      Raises Expection if ping check fails
      """
  
      if self.is_connected is True:
          return self.connection
  
      self.connection = InfluxDBClient3(
          host=self.connection_data["influxdb_url"],
          token=self.connection_data["influxdb_token"],
          org=self.connection_data.get("org"),
      )
  
      self.is_connected = True
  
      return self.connection
  
file_path: mindsdb/mindsdb/integrations/handlers/influxdb_handler/influxdb_handler.py
imports: from influxdb_client_3 import InfluxDBClient3
  from mindsdb.integrations.handlers.influxdb_handler.influxdb_tables import InfluxDBTables
  from mindsdb.integrations.libs.api_handler import APIHandler
  from mindsdb.integrations.libs.response import HandlerStatusResponse
  from mindsdb.utilities import log
  from mindsdb_sql import parse_sql
label_desc: Use image node_id 2 for calling the InfluxDBHandler obj's underlying member method code with example usage: obj.connect() and returns: self, self