zulip/zerver/migrations/0174_userprofile_delivery_email.py

# Generated by Django 1.11.13 on 2018-07-05 17:57

from django.db import migrations, models
from django.db.backends.postgresql.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps
from django.db.models import F


def copy_email_field(apps: StateApps, schema_editor: DatabaseSchemaEditor) -> None:
    UserProfile = apps.get_model('zerver', 'UserProfile')
    UserProfile.objects.all().update(delivery_email=F('email'))


class Migration(migrations.Migration):
    atomic = False

    dependencies = [
        ('zerver', '0173_support_seat_based_plans'),
    ]

    operations = [
        migrations.AddField(
            model_name='userprofile',
            name='delivery_email',
            field=models.EmailField(db_index=True, default='', max_length=254),
            preserve_default=False,
        ),
        migrations.RunPython(copy_email_field,
                             reverse_code=migrations.RunPython.noop,
                             elidable=True),
    ]