# Generated by Django 3.0.5 on 2020-04-25 05:07 from django.db import migrations, models import django.db.models.deletion import mptt.fields from build.models import Build def update_tree(apps, schema_editor): # Update the Build MPTT model Build.objects.rebuild() def nupdate_tree(apps, schema_editor): pass class Migration(migrations.Migration): atomic = False dependencies = [ ('build', '0012_build_sales_order'), ] operations = [ migrations.AddField( model_name='build', name='level', field=models.PositiveIntegerField(default=0, editable=False), preserve_default=False, ), migrations.AddField( model_name='build', name='lft', field=models.PositiveIntegerField(default=0, editable=False), preserve_default=False, ), migrations.AddField( model_name='build', name='parent', field=mptt.fields.TreeForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='children', to='build.Build'), ), migrations.AddField( model_name='build', name='rght', field=models.PositiveIntegerField(default=0, editable=False), preserve_default=False, ), migrations.AddField( model_name='build', name='tree_id', field=models.PositiveIntegerField(db_index=True, default=0, editable=False), preserve_default=False, ), migrations.RunPython(update_tree, reverse_code=nupdate_tree), ]