gistfile1.txt

from contextlib import contextmanager
from django.conf import settings

import logging
logger = logging.getLogger(__name__)

django_db_backends_logger = logging.getLogger('django.db.backends')

@contextmanager
def debug_db_backends(enabled=settings.DEBUG, level=logging.DEBUG):
    old_level = django_db_backends_logger.level
    if (enabled):
        django_db_backends_logger.setLevel(level)
    yield
    if (enabled):
        django_db_backends_logger.setLevel(old_level)
 
 
# Example usage:

with debug_db_backends(settings.DEBUG):
  from .operation import Operation
  return Operation.objects.filter(
      transaction__block__blockchain__id=42
  ).count()