docstr: Initialize the handler
  Args:
      name (str): name of particular handler instance
      connection_data (dict): parameters for connecting to the database
      **kwargs: arbitrary keyword arguments.
docstr_tok: ["Initialize","the","handler","Args",":","name","(","str",")",":","name","of","particular","handler","instance","connection_data","(","dict",")",":","parameters","for","connecting","to","the","database","*","*","kwargs",":","arbitrary","keyword","arguments","."]
code: def __init__(
      self, name: str, connection_data: Optional[dict], **kwargs
  ):
      """Initialize the handler
      Args:
          name (str): name of particular handler instance
          connection_data (dict): parameters for connecting to the database
          **kwargs: arbitrary keyword arguments.
      """
      super().__init__(name)
  
      self.kwargs = kwargs
      self.parser = parse_sql
      self.dialect = "crate"
      self.user = connection_data["user"]
      self.password = connection_data["password"]
      self.schemaName = connection_data.get("schema_name", "doc")
      self.host = connection_data["host"]
      self.port = connection_data["port"]
  
      self.connection = None
      self.is_connected = False
  
imports: from collections import OrderedDict
  from typing import Optional
  from mindsdb_sql.parser.ast.base import ASTNode
  from mindsdb.integrations.libs.base import DatabaseHandler
  from mindsdb.utilities import log
  from mindsdb_sql import parse_sql
  from mindsdb_sql.render.sqlalchemy_render import SqlalchemyRender
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  import pandas
  from crate import client
  from crate.client.sqlalchemy.dialect import CrateDialect
label_desc: Use image node_id 1 to create a new CrateHandler object from inherited base classes: DatabaseHandler with example: obj = CrateHandler(name, connection_data)