class_docstr: Sort the frames which satisfy the condition
  
  Arguments:
      node (AbstractPlan): The OrderBy Plan
docstr: extracts the sort type for the column
docstr_tok: ["extracts","the","sort","type","for","the","column"]
code: def extract_sort_types(self):
      """extracts the sort type for the column"""
      # self._sort_types: List[ParserOrderBySortType]
      sort_type_bools = []
      for st in self._sort_types:
          if st is ParserOrderBySortType.ASC:
              sort_type_bools.append(True)
          else:
              sort_type_bools.append(False)
      return sort_type_bools
  
file_path: evadb/evadb/executor/orderby_executor.py
imports: from typing import Iterator
  from evadb.database import EvaDBDatabase
  from evadb.executor.abstract_executor import AbstractExecutor
  from evadb.executor.executor_utils import ExecutorError
  from evadb.expression.function_expression import FunctionExpression
  from evadb.expression.tuple_value_expression import TupleValueExpression
  from evadb.models.storage.batch import Batch
  from evadb.parser.types import ParserOrderBySortType
  from evadb.plan_nodes.orderby_plan import OrderByPlan
label_desc: Use image node_id 4 for calling the OrderByExecutor obj's underlying member method code with example usage: obj.extract_sort_types() and returns: sort_type_bools