class_docstr: A :class:`~StatementSet` accepts pipelines defined by DML statements or :class:`~Table` objects.
  The planner can optimize all added statements together and then submit them as one job.
  
  The added statements will be cleared when calling the :func:`~StatementSet.execute` method.
  
  .. versionadded:: 1.11.0
docstr: add insert statement to the set.
  
  :param stmt: The statement to be added.
  :return: current StatementSet instance.
  
  .. versionadded:: 1.11.0
docstr_tok: ["add","insert","statement","to","the","set",".",":","param","stmt",":","The","statement","to","be","added",".",":","return",":","current","StatementSet","instance",".","..","versionadded",":",":","1.11.0"]
code: def add_insert_sql(self, stmt: str) -> "StatementSet":
      """
      add insert statement to the set.
  
      :param stmt: The statement to be added.
      :return: current StatementSet instance.
  
      .. versionadded:: 1.11.0
      """
      self._j_statement_set.addInsertSql(stmt)
      return self
  
file_path: flink/flink-python/pyflink/table/statement_set.py
imports: from typing import Union
  from pyflink.java_gateway import get_gateway
  from pyflink.table import ExplainDetail
  from pyflink.table.table_descriptor import TableDescriptor
  from pyflink.table.table_result import TableResult
  from pyflink.util.java_utils import to_j_explain_detail_arr
label_desc: Use image node_id 2 for calling the StatementSet obj's underlying member method code with example usage: obj.add_insert_sql(stmt) and returns: self