# Unique non-empty source_site_id so one farm site cannot own two ActiveSites.

from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ("sync", "0006_activesite_source_site_id"),
    ]

    operations = [
        migrations.AddConstraint(
            model_name="activesite",
            constraint=models.UniqueConstraint(
                condition=~models.Q(source_site_id=""),
                fields=("source_site_id",),
                name="uniq_active_site_source_site_id",
            ),
        ),
    ]