text: from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      initial = True
  
      dependencies = []
  
      operations = [
          migrations.CreateModel(
              name="EntitySnapshotRecord",
              fields=[
                  ("uid", models.BigAutoField(primary_key=True, serialize=False)),
                  ("application_name", models.CharField(max_length=32)),
                  ("originator_id", models.UUIDField()),
                  ("originator_version", models.BigIntegerField()),
                  ("topic", models.TextField()),
                  ("state", models.BinaryField()),
              ],
              options={"db_table": "entity_snapshots"},
          ),
          migrations.CreateModel(
              name="IntegerSequencedRecord",
              fields=[
                  ("id", models.BigAutoField(primary_key=True, serialize=False)),
                  ("sequence_id", models.UUIDField()),
                  ("position", models.BigIntegerField()),
                  ("topic", models.TextField()),
                  ("state", models.BinaryField()),
              ],
              options={"db_table": "integer_sequenced_items"},
          ),
          migrations.CreateModel(
              name="NotificationTrackingRecord",
              fields=[
                  ("uid", models.BigAutoField(primary_key=True, serialize=False)),
                  ("application_name", models.CharField(max_length=32)),
                  ("upstream_application_name", models.CharField(max_length=32)),
                  ("pipeline_id", models.IntegerField()),
                  ("notification_id", models.BigIntegerField()),
              ],
              options={"db_table": "notification_tracking"},
          ),
          migrations.CreateModel(
              name="SnapshotRecord",
              fields=[
                  ("uid", models.BigAutoField(primary_key=True, serialize=False)),
                  ("sequence_id", models.UUIDField()),
                  ("position", models.BigIntegerField()),
                  ("topic", models.TextField()),
                  ("state", models.BinaryField()),
              ],
              options={"db_table": "snapshots"},
          ),
          migrations.CreateModel(
              name="StoredEventRecord",
              fields=[
                  ("uid", models.BigAutoField(primary_key=True, serialize=False)),
                  ("application_name", models.CharField(max_length=32)),
                  ("originator_id", models.UUIDField()),
                  ("originator_version", models.BigIntegerField()),
                  ("pipeline_id", models.IntegerField(null=True)),
                  ("notification_id", models.BigIntegerField(null=True)),
                  ("topic", models.TextField()),
                  ("state", models.BinaryField()),
                  ("causal_dependencies", models.TextField()),
              ],
              options={"db_table": "stored_events"},
          ),
          migrations.CreateModel(
              name="TimestampSequencedRecord",
              fields=[
                  ("id", models.BigAutoField(primary_key=True, serialize=False)),
                  ("sequence_id", models.UUIDField()),
                  ("position", models.DecimalField(decimal_places=6, max_digits=24)),
                  ("topic", models.TextField()),
                  ("state", models.BinaryField()),
              ],
              options={"db_table": "timestamp_sequenced_items"},
          ),
          migrations.AddIndex(
              model_name="timestampsequencedrecord",
              index=models.Index(fields=["position"], name="position_idx"),
          ),
          migrations.AlterUniqueTogether(
              name="timestampsequencedrecord",
              unique_together={("sequence_id", "position")},
          ),
          migrations.AlterUniqueTogether(
              name="storedeventrecord",
              unique_together={
                  ("application_name", "originator_id", "originator_version"),
                  ("application_name", "pipeline_id", "notification_id"),
              },
          ),
          migrations.AlterUniqueTogether(
              name="snapshotrecord", unique_together={("sequence_id", "position")}
          ),
          migrations.AlterUniqueTogether(
              name="notificationtrackingrecord",
              unique_together={
                  (
                      "application_name",
                      "upstream_application_name",
                      "pipeline_id",
                      "notification_id",
                  )
              },
          ),
          migrations.AlterUniqueTogether(
              name="integersequencedrecord", unique_together={("sequence_id", "position")}
          ),
          migrations.AlterUniqueTogether(
              name="entitysnapshotrecord",
              unique_together={
                  ("application_name", "originator_id", "originator_version")
              },
          ),
      ]
  