Changed to_dict to call all callable values when their key is in field_names.
This is useful for instance when exporting role instances and you want to export document_name.
from django.db.backends import BaseDatabaseClient
from django.conf import settings
import os
class DatabaseClient(BaseDatabaseClient):
executable_name = 'sqlite3'
def runshell(self):
args = ['', settings.DATABASE_NAME]
os.execvp(self.executable_name, args)