class_docstr: This handler handles connection and execution of the Teradata statements.
class_docstr_tok: ["This","handler","handles","connection","and","execution","of","the","Teradata","statements","."]
docstr: List all columns in a table in Teradata in the current schema
  :param table_name: the table name for which to list the columns
  :return: returns the columns in the table
docstr_tok: ["List","all","columns","in","a","table","in","Teradata","in","the","current","schema",":","param","table_name",":","the","table","name","for","which","to","list","the","columns",":","return",":","returns","the","columns","in","the","table"]
code: def get_columns(self, table_name: str) -> Response:
      """
      List all columns in a table in Teradata in the current schema
      :param table_name: the table name for which to list the columns
      :return: returns the columns in the table
      """
  
      return self.native_query(
          str(
              text(
                  f"""
              SELECT ColumnName AS "Field",
                     ColumnType AS "Type"
              FROM DBC.ColumnsV
              WHERE DatabaseName (NOT CASESPECIFIC) = :database
              AND TableName (NOT CASESPECIFIC) = :table_name
              """
              )
              .bindparams(
                  bindparam(
                      "database", value=self.database, type_=String
                  ),
                  bindparam(
                      "table_name", value=table_name, type_=String
                  ),
              )
              .compile(compile_kwargs={"literal_binds": True})
          )
      )
  
imports: from textwrap import dedent
  from collections import OrderedDict
  from pandas import DataFrame
  from sqlalchemy import String
  from sqlalchemy.sql import text, bindparam
  import teradatasql
  import teradatasqlalchemy.dialect
  from mindsdb_sql import parse_sql
  from mindsdb_sql.parser.ast.base import ASTNode
  from mindsdb_sql.render.sqlalchemy_render import SqlalchemyRender
  from mindsdb.utilities import log
  from mindsdb.integrations.libs.base import DatabaseHandler
  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 TeradataHandler obj's underlying member method code with example usage: obj.get_columns(table_name) and returns: self