Migration to make two sequences BIGINT.

Author: ggainey

CHANGES/+bigint_sequences.bugfix

@@ -0,0 +1,3 @@
+Altered some sequences to be BIGINT instead of INTEGER.
+
+This addresses the failure noted in https://issues.redhat.com/browse/PULP-890 .

pulp_container/app/migrations/0047_bigint_sequences.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.2.6 on 2025-09-23 11:54
+
+from django.db import migrations, models
+
+
+# This is an IDEMPOTENT change - it can be backported, because applying it
+# multiple times is harmless.
+update_sequences_to_bigint = """
+ALTER SEQUENCE container_blobmanifest_id_seq AS BIGINT;
+ALTER SEQUENCE container_manifestlistmanifest_id_seq AS BIGINT;
+"""
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('container', '0046_alter_manifest_listed_manifests'),
+    ]
+
+    operations = [
+        migrations.RunSQL(update_sequences_to_bigint),
+    ]