code: def init_session(self):
      self.logger.info(
          "New connection [{ip}:{port}]".format(
              ip=self.client_address[0], port=self.client_address[1]
          )
      )
      self.logger.debug(self.__dict__)
  
      if self.server.connection_id >= 65025:
          self.server.connection_id = 0
      self.server.connection_id += 1
      self.connection_id = self.server.connection_id
      self.session = SessionController()
      self.session.database = "mindsdb"
  
      if hasattr(self.server, "salt") and isinstance(
          self.server.salt, str
      ):
          self.salt = self.server.salt
      else:
          self.salt = base64.b64encode(os.urandom(15)).decode()
  
      self.socket = self.request
  
      self.current_transaction = None
  
      self.logger.debug("session salt: {salt}".format(salt=self.salt))
  
imports: import base64
  import datetime
  import os
  import json
  import select
  import socketserver
  import struct
  import sys
  from functools import partial
  import socket
  from typing import Callable, Dict, Type, Any, Iterable, Sequence
  from mindsdb.api.executor.controllers import SessionController
  from mindsdb.api.postgres.postgres_proxy.executor import Executor
  from mindsdb.api.mysql.mysql_proxy.libs.constants.mysql import CHARSET_NUMBERS
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from mindsdb.api.common.check_auth import check_auth
  from mindsdb.api.mysql.mysql_proxy.mysql_proxy import SQLAnswer
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.errors import POSTGRES_SYNTAX_ERROR_CODE
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_fields import GenericField, PostgresField
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_message_formats import Terminate, Query, AuthenticationClearTextPassword, AuthenticationOk, RowDescriptions, DataRow, CommandComplete, ReadyForQuery, ConnectionFailure, ParameterStatus, Error, Execute, Bind, Parse, Sync, ParseComplete, InvalidSQLStatementName, BindComplete, Describe, DataException, ParameterDescription
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_message import PostgresMessage
  from mindsdb.api.postgres.postgres_proxy.postgres_packets.postgres_packets import PostgresPacketReader, PostgresPacketBuilder
  from mindsdb.api.postgres.postgres_proxy.utilities import strip_null_byte
  from mindsdb.utilities.config import Config
  from mindsdb.utilities.context import context
  from mindsdb.utilities import log
  from mindsdb.api.mysql.mysql_proxy.external_libs.mysql_scramble import scramble
label_desc: Use image node_id 9 for calling the PostgresProxyHandler obj's underlying member method code with example usage: obj.init_session() without return types