class_docstr: This handler handles connection and execution of the Cloud Spanner statements.
class_docstr_tok: ["This","handler","handles","connection","and","execution","of","the","Cloud","Spanner","statements","."]
docstr: Get details about a table.
  
  Args:
      table_name (str): Name of the table to retrieve details of.
  
  Returns:
      Response: Details of the table.
docstr_tok: ["Get","details","about","a","table",".","Args",":","table_name","(","str",")",":","Name","of","the","table","to","retrieve","details","of",".","Returns",":","Response",":","Details","of","the","table","."]
code: def get_columns(self, table_name: str) -> Response:
      """Get details about a table.
  
      Args:
          table_name (str): Name of the table to retrieve details of.
  
      Returns:
          Response: Details of the table.
      """
  
      query = f"""
              SELECT
                t.column_name,
                t.spanner_type,
                t.is_nullable
              FROM
                information_schema.columns AS t
              WHERE
                t.table_name = '{table_name}'
          """
      return self.native_query(query)
  
imports: import json
  from collections import OrderedDict
  from google.oauth2 import service_account
  from google.cloud import spanner_dbapi
  from google.cloud.spanner_dbapi import Connection
  from google.cloud.sqlalchemy_spanner import SpannerDialect
  import pandas
  from mindsdb_sql import parse_sql
  from mindsdb_sql.parser.ast.base import ASTNode
  from mindsdb_sql.parser.ast import CreateTable, Function
  from mindsdb_sql.render.sqlalchemy_render import SqlalchemyRender
  from mindsdb.integrations.libs.base import DatabaseHandler
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  from mindsdb.integrations.libs.response import RESPONSE_TYPE
  from mindsdb.integrations.libs.response import HandlerResponse
  from mindsdb.integrations.libs.response import HandlerStatusResponse
  from mindsdb.utilities import log
label_desc: Use image node_id 9 for calling the CloudSpannerHandler obj's underlying member method code with example usage: obj.get_columns(table_name) and returns: self