code: def get_rls_for_table(
      candidate: Token,
      database_id: int,
      default_schema: Optional[str],
  ) -> Optional[TokenList]:
      """
      Given a table name, return any associated RLS predicates.
      """
      # pylint: disable=import-outside-toplevel
      from superset import db
      from superset.connectors.sqla.models import SqlaTable
  
      if not isinstance(candidate, Identifier):
          candidate = Identifier([Token(Name, candidate.value)])
  
      table = ParsedQuery.get_table(candidate)
      if not table:
          return None
  
      dataset = (
          db.session.query(SqlaTable)
          .filter(
              and_(
                  SqlaTable.database_id == database_id,
                  SqlaTable.schema == (table.schema or default_schema),
                  SqlaTable.table_name == table.table,
              )
          )
          .one_or_none()
      )
      if not dataset:
          return None
  
      template_processor = dataset.get_template_processor()
      predicate = " AND ".join(
          str(filter_)
          for filter_ in dataset.get_sqla_row_level_filters(
              template_processor
          )
      )
      if not predicate:
          return None
  
      rls = sqlparse.parse(predicate)[0]
      add_table_name(rls, table.table)
  
      return rls
  
imports: import logging
  import re
  from collections.abc import Iterator
  from dataclasses import dataclass
  from typing import Any, cast, Optional
  from urllib import parse
  import sqlparse
  from sqlalchemy import and_
  from sqlparse import keywords
  from sqlparse.lexer import Lexer
  from sqlparse.sql import Identifier, IdentifierList, Parenthesis, remove_quotes, Token, TokenList, Where
  from sqlparse.tokens import Comment, CTE, DDL, DML, Keyword, Name, Punctuation, String, Whitespace, Wildcard
  from sqlparse.utils import imt
  from superset.exceptions import QueryClauseValidationException
  from superset.utils.backports import StrEnum
label_desc: Use image node_id 8 for calling a global function with example usage: get_rls_for_table(candidate, database_id, default_schema) and returns: rls, None, None, None