class_docstr: This plan is used for storing information required for load data
  operations.
  
  Arguments:
      table(TableCatalogEntry): table to load into
      file_path(Path): file path from where we will load the data
      batch_mem_size(int): memory size of the batch loaded from disk
code: def __str__(self):
      return "LoadDataPlan(table_id={}, file_path={}, \
              column_list={}, \
              file_options={}, \
              batch_mem_size={})".format(
          self.table_info,
          self.file_path,
          self.column_list,
          self.file_options,
          self.batch_mem_size,
      )
  
file_path: evadb/evadb/plan_nodes/load_data_plan.py
imports: from pathlib import Path
  from typing import List
  from evadb.expression.abstract_expression import AbstractExpression
  from evadb.parser.table_ref import TableInfo
  from evadb.plan_nodes.abstract_plan import AbstractPlan
  from evadb.plan_nodes.types import PlanOprType
label_desc: Use image node_id 7 for calling the LoadDataPlan obj's underlying member method code with example usage: obj.__str__() and returns: str