django 10.5 sqlite3迁移到mysql

参考： http://www.voidcn.com/article/p-hesvaooz-ru.html

原文：

python ./manage.py syncdb --database slave

　

变更为：

python manage.py migrate --run-syncdb --database slave

　　

原文：

from django.contrib.contenttypes.models import ContentType

def run():

    def do(Table):
        if Table is not None:
            table_objects = Table.objects.all()
            for i in table_objects:
                i.save(using='slave')

    ContentType.objects.using('slave').all().delete()

    for i in ContentType.objects.all():
        do(i.model_class())

变更为

# -*- coding:utf-8 -*-
from __future__ import unicode_literals

from django.contrib.contenttypes.models import ContentType

def run():
    failed_list = []

    def do(table):
        if table is not None:
            try:
                table_objects = table.objects.all()
                for i in table_objects:
                    i.save(using='slave')
            except:
                failed_list.append(table)

    ContentType.objects.using('slave').all().delete()

    for i in ContentType.objects.all():
        do(i.model_class())

    while failed_list:
        table = failed_list.pop(0)
        do(table)