Fix chat index

chat_box/migrations/0012_auto_20230308_1417.py

@@ -0,0 +1,34 @@
+# Generated by Django 3.2.18 on 2023-03-08 07:17
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("judge", "0154_add_submission_indexes"),
+        ("chat_box", "0011_alter_message_hidden"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="message",
+            options={
+                "ordering": ("-id",),
+                "verbose_name": "message",
+                "verbose_name_plural": "messages",
+            },
+        ),
+        migrations.AlterField(
+            model_name="message",
+            name="hidden",
+            field=models.BooleanField(default=False, verbose_name="is hidden"),
+        ),
+        migrations.AddIndex(
+            model_name="message",
+            index=models.Index(
+                fields=["hidden", "room", "-id"], name="chat_box_me_hidden_b2307a_idx"
+            ),
+        ),
+    ]