wip: add index of unaccented upper value of role.name

src/authentic2/a2_rbac/migrations/0040_role_name_idx.py

@@ -1,8 +1,9 @@
-# Generated by Django 3.2.23 on 2024-03-28 16:23
+# Generated by Django 3.2.23 on 2024-03-28 16:50
 
+import django.contrib.postgres.indexes
 import django.db.models.expressions
 import django.db.models.functions.text
-from django.db import migrations, models
+from django.db import migrations
 
 
 class Migration(migrations.Migration):
@@ -13,11 +14,14 @@ class Migration(migrations.Migration):
     operations = [
         migrations.AddIndex(
             model_name='role',
-            index=models.Index(
-                django.db.models.functions.text.Upper(
-                    django.db.models.expressions.Func(
-                        django.db.models.expressions.F('name'), name='immutable_unaccent'
-                    )
+            index=django.contrib.postgres.indexes.GinIndex(
+                django.contrib.postgres.indexes.OpClass(
+                    django.db.models.functions.text.Upper(
+                        django.db.models.expressions.Func(
+                            django.db.models.expressions.F('name'), function='immutable_unaccent'
+                        )
+                    ),
+                    'public.gin_trgm_ops',
                 ),
                 name='name_idx',
             ),

src/authentic2/a2_rbac/models.py

@@ -23,6 +23,7 @@ from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
 from django.contrib.contenttypes.models import ContentType
+from django.contrib.postgres import indexes as postgresql_indexes
 from django.contrib.postgres.fields import ArrayField
 from django.core.exceptions import ValidationError
 from django.core.validators import MinValueValidator
@@ -616,7 +617,12 @@ class Role(AbstractBase):
             ),
         ]
         indexes = [
-            models.Index(Upper(models.Func(models.F('name'), name='immutable_unaccent')), name='name_idx')
+            postgresql_indexes.GinIndex(
+                postgresql_indexes.OpClass(
+                    Upper(models.Func(models.F('name'), function='immutable_unaccent')), 'public.gin_trgm_ops'
+                ),
+                name='name_idx',
+            ),
         ]
 
     def natural_key(self):