# Generated by Django 4.1.9 on 2023-06-30 16:11 from django.db import migrations def copy_old_data(apps, schema_editor): TemplateParamValue = apps.get_model("store", "TemplateParamValue") ProductCategoryParamValue = apps.get_model("store", "ProductCategoryParamValue") for param_value in TemplateParamValue.objects.all(): ProductCategoryParamValue.objects.create( param=param_value.param, value=param_value.value ) def remove_new_data(apps, schema_editor): ProductCategoryParamValue = apps.get_model("store", "ProductCategoryParamValue") ProductCategoryParamValue.objects.all().delete() class Migration(migrations.Migration): dependencies = [ ("store", "0009_productcategoryparam_order_productcategoryparamvalue"), ] operations = [ migrations.RunPython(copy_old_data, remove_new_data), ]