[WEB-4823] chore: Add compound indexing for notification fields to improve query performance

apps/api/plane/db/migrations/0103_fileasset_asset_entity_type_idx_and_more.py

@@ -0,0 +1,75 @@
+# Generated by Django 4.2.22 on 2025-09-01 14:33
+
+from django.db import migrations, models
+from django.contrib.postgres.operations import AddIndexConcurrently
+
+
+class Migration(migrations.Migration):
+    atomic = False
+
+    dependencies = [
+        ('db', '0102_page_sort_order_pagelog_entity_type_and_more'),
+    ]
+
+    operations = [
+        AddIndexConcurrently(
+            model_name='fileasset',
+            index=models.Index(fields=['entity_type'], name='asset_entity_type_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='fileasset',
+            index=models.Index(fields=['entity_identifier'], name='asset_entity_identifier_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='fileasset',
+            index=models.Index(fields=['entity_type', 'entity_identifier'], name='asset_entity_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='notification',
+            index=models.Index(fields=['entity_identifier'], name='notif_entity_identifier_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='notification',
+            index=models.Index(fields=['entity_name'], name='notif_entity_name_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='notification',
+            index=models.Index(fields=['read_at'], name='notif_read_at_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='notification',
+            index=models.Index(fields=['receiver', 'read_at'], name='notif_entity_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='pagelog',
+            index=models.Index(fields=['entity_type'], name='pagelog_entity_type_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='pagelog',
+            index=models.Index(fields=['entity_identifier'], name='pagelog_entity_id_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='pagelog',
+            index=models.Index(fields=['entity_name'], name='pagelog_entity_name_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='pagelog',
+            index=models.Index(fields=['entity_type', 'entity_identifier'], name='pagelog_type_id_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='pagelog',
+            index=models.Index(fields=['entity_name', 'entity_identifier'], name='pagelog_name_id_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='userfavorite',
+            index=models.Index(fields=['entity_type'], name='fav_entity_type_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='userfavorite',
+            index=models.Index(fields=['entity_identifier'], name='fav_entity_identifier_idx'),
+        ),
+        AddIndexConcurrently(
+            model_name='userfavorite',
+            index=models.Index(fields=['entity_type', 'entity_identifier'], name='fav_entity_idx'),
+        ),
+    ]

apps/api/plane/db/models/asset.py

@@ -76,6 +76,15 @@ class Meta:
         verbose_name_plural = "File Assets"
         db_table = "file_assets"
         ordering = ("-created_at",)
+        indexes = [
+            models.Index(fields=["entity_type"], name="asset_entity_type_idx"),
+            models.Index(
+                fields=["entity_identifier"], name="asset_entity_identifier_idx"
+            ),
+            models.Index(
+                fields=["entity_type", "entity_identifier"], name="asset_entity_idx"
+            ),
+        ]
 
     def __str__(self):
         return str(self.asset)

apps/api/plane/db/models/favorite.py

@@ -41,6 +41,15 @@ class Meta:
         verbose_name_plural = "User Favorites"
         db_table = "user_favorites"
         ordering = ("-created_at",)
+        indexes = [
+            models.Index(fields=["entity_type"], name="fav_entity_type_idx"),
+            models.Index(
+                fields=["entity_identifier"], name="fav_entity_identifier_idx"
+            ),
+            models.Index(
+                fields=["entity_type", "entity_identifier"], name="fav_entity_idx"
+            ),
+        ]
 
     def save(self, *args, **kwargs):
         if self._state.adding:

apps/api/plane/db/models/notification.py

@@ -39,6 +39,14 @@ class Meta:
         verbose_name_plural = "Notifications"
         db_table = "notifications"
         ordering = ("-created_at",)
+        indexes = [
+            models.Index(
+                fields=["entity_identifier"], name="notif_entity_identifier_idx"
+            ),
+            models.Index(fields=["entity_name"], name="notif_entity_name_idx"),
+            models.Index(fields=["read_at"], name="notif_read_at_idx"),
+            models.Index(fields=["receiver", "read_at"], name="notif_entity_idx"),
+        ]
 
     def __str__(self):
         """Return name of the notifications"""

apps/api/plane/db/models/page.py

@@ -101,7 +101,9 @@ class PageLog(BaseModel):
     page = models.ForeignKey(Page, related_name="page_log", on_delete=models.CASCADE)
     entity_identifier = models.UUIDField(null=True, blank=True)
     entity_name = models.CharField(max_length=30, verbose_name="Transaction Type")
-    entity_type = models.CharField(max_length=30, verbose_name="Entity Type", null=True, blank=True)
+    entity_type = models.CharField(
+        max_length=30, verbose_name="Entity Type", null=True, blank=True
+    )
     workspace = models.ForeignKey(
         "db.Workspace", on_delete=models.CASCADE, related_name="workspace_page_log"
     )
@@ -112,6 +114,17 @@ class Meta:
         verbose_name_plural = "Page Logs"
         db_table = "page_logs"
         ordering = ("-created_at",)
+        indexes = [
+            models.Index(fields=["entity_type"], name="pagelog_entity_type_idx"),
+            models.Index(fields=["entity_identifier"], name="pagelog_entity_id_idx"),
+            models.Index(fields=["entity_name"], name="pagelog_entity_name_idx"),
+            models.Index(
+                fields=["entity_type", "entity_identifier"], name="pagelog_type_id_idx"
+            ),
+            models.Index(
+                fields=["entity_name", "entity_identifier"], name="pagelog_name_id_idx"
+            ),
+        ]
 
     def __str__(self):
         return f"{self.page.name} {self.entity_name}"