# Generated by Django 3.0.7 on 2021-01-18 19:54 from django.db import migrations, models def empty_to_null(apps, schema_editor): User = apps.get_model("bookwyrm", "User") db_alias = schema_editor.connection.alias User.objects.using(db_alias).filter(email="").update(email=None) def null_to_empty(apps, schema_editor): User = apps.get_model("bookwyrm", "User") db_alias = schema_editor.connection.alias User.objects.using(db_alias).filter(email=None).update(email="") class Migration(migrations.Migration): dependencies = [ ('bookwyrm', '0036_annualgoal'), ] operations = [ migrations.AlterModelOptions( name='shelfbook', options={'ordering': ('-created_date',)}, ), migrations.AlterField( model_name='user', name='email', field=models.EmailField(max_length=254, null=True), ), migrations.RunPython(empty_to_null, null_to_empty), migrations.AlterField( model_name='user', name='email', field=models.EmailField(max_length=254, null=True, unique=True), ), ]