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0003_alter_comment_options_remove_comment_created_time_and_more.py

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+#zr 数据库迁移文件：更新评论模型字段和选项
+# Generated by Django 4.2.5 on 2023-09-06 13:13
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+#zr 数据库迁移类
+class Migration(migrations.Migration):
+
+    #zr 依赖的迁移文件
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('blog', '0005_alter_article_options_alter_category_options_and_more'),
+        ('comments', '0002_alter_comment_is_enable'),
+    ]
+
+    #zr 迁移操作列表
+    operations = [
+        #zr 更新评论模型的元选项
+        migrations.AlterModelOptions(
+            name='comment',
+            options={'get_latest_by': 'id', 'ordering': ['-id'], 'verbose_name': 'comment', 'verbose_name_plural': 'comment'},
+        ),
+        #zr 移除旧的创建时间字段
+        migrations.RemoveField(
+            model_name='comment',
+            name='created_time',
+        ),
+        #zr 移除旧的最后修改时间字段
+        migrations.RemoveField(
+            model_name='comment',
+            name='last_mod_time',
+        ),
+        #zr 添加新的创建时间字段
+        migrations.AddField(
+            model_name='comment',
+            name='creation_time',
+            field=models.DateTimeField(default=django.utils.timezone.now, verbose_name='creation time'),
+        ),
+        #zr 添加新的最后修改时间字段
+        migrations.AddField(
+            model_name='comment',
+            name='last_modify_time',
+            field=models.DateTimeField(default=django.utils.timezone.now, verbose_name='last modify time'),
+        ),
+        #zr 更新文章外键字段配置
+        migrations.AlterField(
+            model_name='comment',
+            name='article',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='blog.article', verbose_name='article'),
+        ),
+        #zr 更新作者外键字段配置
+        migrations.AlterField(
+            model_name='comment',
+            name='author',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='author'),
+        ),
+        #zr 更新是否启用字段配置
+        migrations.AlterField(
+            model_name='comment',
+            name='is_enable',
+            field=models.BooleanField(default=False, verbose_name='enable'),
+        ),
+        #zr 更新父评论外键字段配置
+        migrations.AlterField(
+            model_name='comment',
+            name='parent_comment',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='comments.comment', verbose_name='parent comment'),
+        ),
+    ]
+