django 2.2和mysql使用的常见问题

python manage.py makemigrations
or
python manage.py inspectdb

django.core.exceptions.ImproperlyConfigured: mysqlclient 1.3.3 or newer is required; you have 0.7.11.None

if version < (1, 3, 3):
  raise ImproperlyConfigured("mysqlclient 1.3.3 or newer is required; you have %s" % Database.__version__)

  def last_executed_query(self, cursor, sql, params):
    # With MySQLdb, cursor objects have an (undocumented) "_executed"
    # attribute where the exact query sent to the database is saved.
    # See MySQLdb/cursors.py in the source distribution.
    query = getattr(cursor, '_executed', None)
    if query is not None:
      query = query.decode(errors='replace')
    return query

SELECT @@SQL_AUTO_IS_NULL

数据类型为str

  def last_executed_query(self, cursor, sql, params):
    # With MySQLdb, cursor objects have an (undocumented) "_executed"
    # attribute where the exact query sent to the database is saved.
    # See MySQLdb/cursors.py in the source distribution.
    # MySQLdb returns string, PyMySQL bytes.
    return force_str(getattr(cursor, '_executed', None), errors='replace')

from django.utils.encoding import force_str