# Generated by Django 4.1.8 on 2025-04-17 21:26 from django.db import migrations, models import django.db.models.deletion class Migration(migrations.Migration): initial = True dependencies = [ ] operations = [ migrations.CreateModel( name='Place', fields=[ ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('name', models.CharField(max_length=100, verbose_name='地点名称')), ('lng', models.FloatField(verbose_name='经度')), ('lat', models.FloatField(verbose_name='纬度')), ('parent', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='map.place', verbose_name='父节点')), ], options={ 'verbose_name': '地点标签', 'verbose_name_plural': '地点标签', }, ), ]