.

generic/migrations/0026_ciduser_generic_cid_cid_291418_idx.py

@@ -0,0 +1,17 @@
+# Generated by Django 3.2.10 on 2022-03-30 21:51
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0025_alter_ciduser_group'),
+    ]
+
+    operations = [
+        migrations.AddIndex(
+            model_name='ciduser',
+            index=models.Index(fields=['cid'], name='generic_cid_cid_291418_idx'),
+        ),
+    ]

generic/models.py

@@ -301,6 +301,11 @@ class CidUser(models.Model):
 
     group = models.ForeignKey("CidUserGroup", on_delete=models.SET_NULL, null=True, blank=True)
 
+    class Meta:
+        indexes = [ 
+            models.Index(fields=["cid"])
+        ]
+
     def __str__(self) -> str:
         return str(self.cid)