docstr: Select data from the comment table and return it as a pandas DataFrame.
  
  Args:
      query (ast.Select): The SQL query to be executed.
  
  Returns:
      pandas.DataFrame: A pandas DataFrame containing the selected data.
docstr_tok: ["Select","data","from","the","comment","table","and","return","it","as","a","pandas","DataFrame",".","Args",":","query","(","ast.Select",")",":","The","SQL","query","to","be","executed",".","Returns",":","pandas.DataFrame",":","A","pandas","DataFrame","containing","the","selected","data","."]
code: def select(self, query: ast.Select) -> pd.DataFrame:
      """Select data from the comment table and return it as a pandas DataFrame.
  
      Args:
          query (ast.Select): The SQL query to be executed.
  
      Returns:
          pandas.DataFrame: A pandas DataFrame containing the selected data.
      """
  
      reddit = self.handler.connect()
  
      submission_id = None
      conditions = extract_comparison_conditions(query.where)
      for condition in conditions:
          if condition[0] == "=" and condition[1] == "submission_id":
              submission_id = condition[2]
              break
  
      if submission_id is None:
          raise ValueError("Submission ID is missing in the SQL query")
  
      submission = reddit.submission(id=submission_id)
      submission.comments.replace_more(limit=None)
  
      result = []
      for comment in submission.comments.list():
          data = {
              "id": comment.id,
              "body": comment.body,
              "author": comment.author.name if comment.author else None,
              "created_utc": comment.created_utc,
              "score": comment.score,
              "permalink": comment.permalink,
              "ups": comment.ups,
              "downs": comment.downs,
              "subreddit": comment.subreddit.display_name,
          }
          result.append(data)
  
      result = pd.DataFrame(result)
      self.filter_columns(result, query)
      return result
  
file_path: mindsdb/mindsdb/integrations/handlers/reddit_handler/reddit_tables.py
imports: import pandas
  from mindsdb.integrations.libs.api_handler import APITable
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.utilities.sql_utils import extract_comparison_conditions
label_desc: Use image node_id 1 for calling the CommentTable obj's underlying member method code with example usage: obj.select(query) and returns: result