class_docstr: This handler handles connection and execution of the Altibase statements.
class_docstr_tok: ["This","handler","handles","connection","and","execution","of","the","Altibase","statements","."]
docstr: Set up any connections required by the handler
  Should return output of check_connection() method after attempting connection.
  Should switch self.is_connected.
  Returns:
      connection
docstr_tok: ["Set","up","any","connections","required","by","the","handler","Should","return","output","of","check_connection","(",")","method","after","attempting","connection",".","Should","switch","self.is_connected",".","Returns",":","connection"]
code: def connect(self):
      """Set up any connections required by the handler
      Should return output of check_connection() method after attempting connection.
      Should switch self.is_connected.
      Returns:
          connection
      """
      if self.is_connected is True:
          return self.connection
  
      user = self.connection_args.get("user")
      password = self.connection_args.get("password")
      jar_location = self.connection_args.get("jdbcJarLocation")
  
      jdbc_class = self.connection_args.get(
          "jdbcClass", "Altibase.jdbc.driver.AltibaseDriver"
      )
      jdbc_url = (
          f"jdbc:Altibase://{self.host}:{self.port}/{self.database}"
      )
  
      try:
          if user and password and jar_location:
              connection = jdbcconnector.connect(
                  jclassname=jdbc_class,
                  url=jdbc_url,
                  driver_args=[user, password],
                  jars=jar_location.split(","),
              )
          elif user and password:
              connection = jdbcconnector.connect(
                  jclassname=jdbc_class,
                  url=jdbc_url,
                  driver_args=[user, password],
              )
          elif jar_location:
              connection = jdbcconnector.connect(
                  jclassname=jdbc_class,
                  url=jdbc_url,
                  jars=jar_location.split(","),
              )
          else:
              connection = jdbcconnector.connect(
                  jclassname=jdbc_class, url=jdbc_url
              )
  
          self.connection = connection
          self.is_connected = True
      except Exception as e:
          logger.error(
              f"Error while connecting to {self.database}, {e}"
          )
  
      return self.connection
  
imports: from collections import OrderedDict
  from typing import Any, Optional
  import jaydebeapi
  from mindsdb_sql import parse_sql
  from mindsdb_sql.parser.ast.base import ASTNode
  import pandas
  from mindsdb.integrations.libs.base import DatabaseHandler
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
  from mindsdb.utilities import log
label_desc: Use image node_id 2 for calling the AltibaseHandler obj's underlying member method code with example usage: obj.connect() and returns: self, self