fix: 후원사 정렬 문제 수정

Author: MU-Software

app/event/sponsor/migrations/0016_alter_sponsor_options_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.2 on 2025-08-11 01:10
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("event", "0003_alter_event_name_alter_event_name_en_and_more"),
+        ("sponsor", "0015_alter_sponsor_options"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="sponsor",
+            options={"ordering": ["-fixed_at", "name"]},
+        ),
+        migrations.AddIndex(
+            model_name="sponsor",
+            index=models.Index(fields=["event", "fixed_at"], name="idx__spsr__event_fixed_at"),
+        ),
+    ]

app/event/sponsor/models.py

@@ -19,7 +19,8 @@ class Sponsor(BaseAbstractModel):
     fixed_at = models.DateTimeField(null=True, blank=True)
 
     class Meta:
-        ordering = ["name", "-fixed_at"]
+        ordering = ["-fixed_at", "name"]
+        indexes = [models.Index(fields=["event", "fixed_at"], name="idx__spsr__event_fixed_at")]
         constraints = [
             models.UniqueConstraint(
                 fields=["event", "name"],