# Generated by Django 5.2.9 on 2026-01-14 06:51 from django.db import migrations, models def insert_default_data(apps, schema_editor): Application = apps.get_model('application', 'Application') # 批量修改 把所有的file_clean_time的值设置成clean_time的值 Application.objects.all().update(file_clean_time=models.F('clean_time')) class Migration(migrations.Migration): dependencies = [ ('application', '0005_chatrecord_vote_other_content_chatrecord_vote_reason'), ] operations = [ migrations.AddField( model_name='application', name='file_clean_time', field=models.IntegerField(default=180, verbose_name='文件清理时间'), ), migrations.RunPython(insert_default_data) ]