feat(grouprulestatus): Add index to date_added field

src/sentry/migrations/0996_add_grouprulestatus_date_added_idx.py

@@ -0,0 +1,34 @@
+# Generated by Django 5.2.1 on 2025-01-15 00:00
+
+import django.utils.timezone
+from django.db import migrations, models
+
+from sentry.new_migrations.migrations import CheckedMigration
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = True
+
+    dependencies = [
+        ("sentry", "0995_add_date_updated_to_grouphash_metadata"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="grouprulestatus",
+            name="date_added",
+            field=models.DateTimeField(db_index=True, default=django.utils.timezone.now),
+        ),
+    ]

src/sentry/models/grouprulestatus.py

@@ -16,7 +16,7 @@ class GroupRuleStatus(Model):
     rule = FlexibleForeignKey("sentry.Rule")
     group = FlexibleForeignKey("sentry.Group")
     status = models.PositiveSmallIntegerField(default=ACTIVE)
-    date_added = models.DateTimeField(default=timezone.now)
+    date_added = models.DateTimeField(default=timezone.now, db_index=True)
     last_active = models.DateTimeField(null=True)
 
     class Meta: