class_docstr: SQLite3 TaskRecord backend.
docstr: Get a specific Task Record, by msg_id.
docstr_tok: ["Get","a","specific","Task","Record",",","by","msg_id","."]
code: def get_record(self, msg_id):
      """Get a specific Task Record, by msg_id."""
      cursor = self._db.execute(
          """SELECT * FROM '%s' WHERE msg_id==?""" % self.table,
          (msg_id,),
      )
      line = cursor.fetchone()
      if line is None:
          raise KeyError("No such msg: %r" % msg_id)
      return self._list_to_dict(line)
  
imports: import json
  import os
  from datetime import datetime
  from dateutil.parser import parse
  from tornado import ioloop
  from traitlets import Dict, Instance, List, Unicode
  from ..util import ensure_timezone, extract_dates
  from .dictdb import BaseDB
label_desc: Use image node_id 10 for calling the SQLiteDB obj's underlying member method code with example usage: obj.get_record(msg_id) and returns: self