from __future__ import annotations

from django.db import migrations, models


class Migration(migrations.Migration):
    dependencies = [
        ("graph", "0001_initial"),
    ]

    operations = [
        migrations.RemoveConstraint(model_name="graphnoderun", name="unique_graph_node_run"),
        migrations.AddField(model_name="graphnoderun", name="visit_index", field=models.PositiveIntegerField(default=1)),
        migrations.AddConstraint(
            model_name="graphnoderun",
            constraint=models.UniqueConstraint(fields=("graph_run", "node_id", "visit_index"), name="unique_graph_node_run_visit"),
        ),
    ]