class_docstr: This handler handles connection and execution of the S3 statements.
class_docstr_tok: ["This","handler","handles","connection","and","execution","of","the","S3","statements","."]
docstr: Returns a list of entity columns.
  Args:
      table_name (str): name of one of tables returned by self.get_tables()
  Returns:
      HandlerResponse
docstr_tok: ["Returns","a","list","of","entity","columns",".","Args",":","table_name","(","str",")",":","name","of","one","of","tables","returned","by","self.get_tables","(",")","Returns",":","HandlerResponse"]
code: def get_columns(self) -> StatusResponse:
      """
      Returns a list of entity columns.
      Args:
          table_name (str): name of one of tables returned by self.get_tables()
      Returns:
          HandlerResponse
      """
  
      query = "SELECT * FROM S3Object LIMIT 5"
      result = self.native_query(query)
  
      response = Response(
          RESPONSE_TYPE.TABLE,
          data_frame=pd.DataFrame(
              {
                  "column_name": result.data_frame.columns,
                  "data_type": result.data_frame.dtypes,
              }
          ),
      )
  
      return response
  
imports: from typing import Optional
  from collections import OrderedDict
  import pandas
  import boto3
  import io
  import ast
  from mindsdb_sql import parse_sql
  from mindsdb_sql.render.sqlalchemy_render import SqlalchemyRender
  from mindsdb.integrations.libs.base import DatabaseHandler
  from mindsdb_sql.parser.ast.base import ASTNode
  from mindsdb.utilities import log
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
label_desc: Use image node_id 9 for calling the S3Handler obj's underlying member method code with example usage: obj.get_columns() and returns: response