feat(sourcemaps): Add index on date_added (#46372)

Author: Riccardo Busetti

migrations_lockfile.txt

@@ -6,5 +6,5 @@ To resolve this, rebase against latest master and regenerate your migration. Thi
 will then be regenerated, and you should be able to merge without conflicts.
 
 nodestore: 0002_nodestore_no_dictfield
-sentry: 0394_set_none_date_uploaded_to_date_added
+sentry: 0395_add_index_to_date_added
 social_auth: 0001_initial

src/sentry/migrations/0395_add_index_to_date_added.py

@@ -0,0 +1,32 @@
+# Generated by Django 2.2.28 on 2023-03-27 11:56
+
+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. For
+    # the most part, 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 dangerous:
+    # - Large data migrations. Typically we want these to be run manually by ops 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
+    #   have ops run this and not block the deploy. Note that while adding an index is a schema
+    #   change, it's completely safe to run the operation after the code has deployed.
+    is_dangerous = False
+
+    dependencies = [
+        ("sentry", "0394_set_none_date_uploaded_to_date_added"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="artifactbundle",
+            name="date_added",
+            field=models.DateTimeField(db_index=True, default=django.utils.timezone.now),
+        ),
+    ]

src/sentry/models/artifactbundle.py

@@ -52,7 +52,7 @@ class ArtifactBundle(Model):
     bundle_id = models.UUIDField(default=NULL_UUID)
     file = FlexibleForeignKey("sentry.File")
     artifact_count = BoundedPositiveIntegerField()
-    date_added = models.DateTimeField(default=timezone.now)
+    date_added = models.DateTimeField(default=timezone.now, db_index=True)
     # This field represents the date of the upload that we show in the UI.
     date_uploaded = models.DateTimeField(default=timezone.now)