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问题背景 添加文章时间没问题,但为了设定博客文章按照时间分层筛选(创建时间的年份.年月&月份来搜索文章),我在blog这个django app的admin.py的ArticleAdmin类中做了如下设置: date_hierarchy = 'create_time' # 详细时间分层筛选 models.Article中create_time定义如下: create_time = models.DateTimeField(u'创建时间', auto_now_add=True) 设置后,后台呈现效果…

解决Database returned an invalid datetime value. Are time zone definitions for your database installed?

设定博客文章按照时间分层筛选出现问题 ret=Article.objects.filter(user=user).annotate(month=TruncMonth("create_time")).values("month").annotate(c=Count("nid")).values_list("month","c") print("ret----->",ret) 解决方案…

Database returned an invalid datetime value. Are time zone definitions for your database installed?

在做文章归档的会后,打印结果时报了这个错误 ret = models.Article.objects.filter(user=user).annotate(month=TruncMonth('created_time')).values('month').annotate( count=Count('nid')).values_list( 'month', 'count') print(r'------>', ret) 原因是时区问题 解决方案 在mysql设置时区 mysql> SELECT…

06：Database returned an invalid datetime value. Are time zone definitions for your database installed?

出现时区问题 解决方案: 修改settings.py的时区变量. 修改前: LANGUAGE_CODE = 'en-us' TIME_ZONE = 'UTC' USE_I18N =True USE_L10N =True USE_TZ = True 修改后: LANGUAGE_CODE ='zh-hans' TIME_ZONE ='Asia/Shanghai' USE_I18N =True USE_L10N =True USE_TZ =False ----------------版权声明:本文为C…

Database returned an invalid value in QuerySet.datetimes(). Are time zone definitions for your datab

Database returned an invalid value in QuerySet.datetimes(). Are time zone definitions for your database and pytz installed? 这样的问题一般出如今时差配置的问题上 首先错误信息提示是否定义你数据库的时区,是否安装pytz 网络上有说是由于mysql时区的问题,可是改动了貌似作用不大 最后发现是project中settings.py中的配置问题,修正 USE_TZ = Fals…

报错Database returned an invalid value in QuerySet.datetimes(). Are time zone definitions for your database and pytz installed?解决

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解决 django 博客归档 “Are time zone definitions for your database and pytz installed?”的错误

修改 project 中的settings 文件,问题解决! # USE_TZ = True USE_TZ = False # LANGUAGE_CODE = 'en-us' LANGUAGE_CODE = 'zh-hans' # TIME_ZONE = 'UTC' TIME_ZONE = 'Asia/Shanghai'…

Database returned no natively generated

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Execption:the database returned no natively generated identity value

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mysql数据库中不能插入0000-00-00 00:00:00日期数据(报错Invalid datetime format: 1292 Incorrect datetime value: '0000-00-00 00:00:00')

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