Performance: add index to paperlesstask task_id

src/documents/migrations/1069_alter_paperlesstask_task_id.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.8 on 2025-06-19 09:33
+
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("documents", "1068_alter_document_created"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="paperlesstask",
+            name="task_id",
+            field=models.CharField(
+                db_index=True,
+                help_text="Celery ID for the Task that was run",
+                max_length=255,
+                unique=True,
+                verbose_name="Task ID",
+            ),
+        ),
+    ]

src/documents/models.py

@@ -545,6 +545,7 @@ class PaperlessTask(ModelWithOwner):
         INDEX_OPTIMIZE = ("index_optimize", _("Index Optimize"))
 
     task_id = models.CharField(
+        db_index=True,
         max_length=255,
         unique=True,
         verbose_name=_("Task ID"),