from django.db import migrations, models import django.db.models.deletion class Migration(migrations.Migration): dependencies = [ ("irrigation", "0001_initial"), ("sensor_data", "0010_rename_tables_to_farm_data"), ] operations = [ migrations.AddField( model_name="sensordata", name="irrigation_method", field=models.ForeignKey( blank=True, db_column="irrigation_method_id", help_text="روش آبیاری انتخاب‌شده برای این farm", null=True, on_delete=django.db.models.deletion.SET_NULL, related_name="farm_data", to="irrigation.irrigationmethod", ), ), ]